Saturday, September 24, 2011

Sharp copier error code copiers help errors codes copy machine copy machines trouble color copier copiers



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CodeDescription
A1
Jam in document feeder
A2
Jam in document feeder
C1
Cassette misfeed
C2
Cassette feed, bypass unplugged
C3
Bypass misfeed
E1
Paper feed jam
E3
Exit jam
EE-EL
Developer overtoned during setup
EE-EU
Developer undertoned during setup
J0
Developer setup taking place
J1
Add toner
J3
Drum unit not installed properly or missing
J7
Drum unit due for replacing
J8
Wrong drum unit or power was turned on after J7 displayed
L6
Key counter or other optional counter accessory problem
U1
Drive problem
U2
Scan
U3
Lens
U4-01
Fuser thermistor
U4-02
High fuser temperature
U4-03
Low fuser temperature
U5
500 sheet cassette lift motor
U6
Main board problem
U7
Document glass too hot (with document feeder)
U8
Problem with line voltage
U9
Auto developer setup problem


Sharp 2020


CodeDescription
CC
Original detection problem
CH
Lit Steadily: Sorter not installed, or not turned on
CH
Flashing: DV unit not installed, not connected properly, or not latched in place properly
F1
Sub code 00: Communication error between main board and sorter. Sub code 02: Sorter transport motor drive.
F2
Sub code 31: Image density sensor. Could be a problem with light level. Sub code 32: Drum mark sensor problem. . Does not see mark on drum or sensor not working properly.
H2
Sub code 00: Fuser thermistor open.
H3
Sub code 00: Fuser temperature too high.
H4
Sub code 00: Fuser temperature too low. Lamp, thermal switch, connections.
L1
Scan forward problem. Motor, sensor, board
L3
Scan forward problem. Motor, sensor, board.
L4
Drive problem; main motor, gear, sensor, bind.
L5
Lens problem. Motor sensor board.
L8
Sub code 01: Zero cross.
P
Paper feed problem or no paper
PC
Card counter not installed
U2
Sub code 01: Memory loss.
U4
Sub code 00: Communication problem between copier and duplex unit.
U5
Sub code 00: Communication problem between main board and ADF.


Sharp 2022, 2027, 2035


CodeDescription
P10
Set or clear departmental counter
P11
Display individual departmental counts
P13
Clear departmental counters
P14
Enter, clear or change department numbers
P16
Change max. number of copies that can be run
P18
Sends alarm if the wrong department number is tried three times in a row
P19
Change code number
P20
Adjust auto exposure
P21
Adjust automautic shufoff
P22
Adjust manual exposure
P23
Adjust auto clear time
P24
Set up fixed magnification settings
P25
Set maximum number of copies or of sets
P26
Binding margin
P27
Border erase setting
P28
Defaults at power on
P29
Display various counts
P30
Auto repeat on or off
P45
Message display time
P70
Auto paper select on or off
P71
Auto cassette select on or off
P72
Maximum copies in duplex
P73
Copy condition in rewrite
P74
Duplex limit when problems with duplex unit
P75
Prevent auto duplex
P76
Prevent stapling
P77
Prevent cover use
P90
List programs


Sharp 2025, 2030, 2040


CodeDescription
C2
Transfer corona problem or HVT
CC
Original detection problem.
CH
Door open or developer unit not installed, not connected properly, or not latched in place properly.
F1
Sub code 00: Communication error between main board and sorter. 01: Jogger error. 02: Sorter transport motor drive. 04: Sorter bin sensor problem. Lower limit sensed wrong.
F2
Sub code 02: Toner motor problem. 31: Image density sensor problem. Could be a problem with the light level. 32: Drum mark sensor problem. Does not see mark on drum or sensor does not work properly. 35: Grid voltage correction will not work during simulation.
F3
Sub code 12: Copier upper cassette lift motor problem. Copier bottom cassette lift motor problem.
H2
Fuser thermistor open.
H3
Fuser temperature too high.
H4
Fuser temperature too low. Lamp, thermal switch, connections.
L4
Sub code 01: Drive problem, main motor, sensor, bind.
L5
Sub code 03: Drive problem with 4th/5th mirror assembly, motor, sensor, board.
L8
Sub code 01: Power frequency problem.
PC
Card counter or key counter not installed.
PF
There is an inhibit command from the PC modem. This is reset with simulation 17.
U2
Sub code 00 or 01: Memory error.
U3
Sub code 20: Mirror motor locked. 21: Mirror motor home sensor.
U4
Sub code 02: Duplex alignment plate out of position motor, cable, sensor.
U5
Sub code 00: Communication problem between main board and RADF. 01: RADF motor drive problem. 02: RADF motor drive problem. 03: RADF resist sensor. 04: RADF exit sensor.
U6
Sub code 00: Communication error between copier and desk. 01, 02, 03: Desk lift motor drive problem. 08: Desk 24v problem. 09: LCT motor overload. 10: Desk transport motor drive problem.
U7
Sub code 00: Communication problem between copier and PC modem.


Sharp 2050


CodeDescription
CC-nn
Original sensing problem
CH
Lit steadily: Door open
CH
Flashing: Developer unit not installed, not latched or not installed properly
EE-EL
During developer calibration, overtoned condition detected
EE-EU
During developer calibration, undertoned condition detected
F1-00
Communication problem between main board and stapler
F1-02
Stapler sorter transport drive problem
F1-03
Problem with guide bar oscillator motor
F1-04
Index lower sensor
F1-05
Index upper sensor
F1-06
Shift motor problem in stapler sorter, or index motor problem
F1-08
Staple sorter shift motor drive problem
F1-10
Stapler problem
F2-00
Toner sensor problem
F2-31
Drum surface reflecting problem
F2-32
Drum sensor not scanning mark properly
F2-33
Grid voltage is too high or too low
F2-35
During patch detection, measurement is wrong
F2-37
Drum mark sensor adjustment problem
F3-01
LCT encoder
F3-02
LCT lift problem
F3-03
LCT down problem
F3-12
Cassette 1 lift problem
F3-22
Cassette 2 lift problem
F3-32
Cassette 3 lift problem
F3-42
Cassette 4 lift problem
H2-00
Fuser thermistor
H3-00
Fuser temperature too high
H4-00
Fuser temperature too low
L1-00
Scan problem
L2-00
Mirror motor drive problem
L3-00
Scan return problem
L4-01
Drum motor drive problem
L4-02
Main motor drive problem
L5-00
4/5 mirror drive problem
L8-01
Full wave signal missing to auto exposure
L8-02
Full wave signal to auto exposure is incorrect
L8-03
During auto exposure adjust procedure, the auto exp.
P20
Adjust automatic exposure
P21
Auto shut off timing
P22
Toner save mode
P25
Maximum number of copies that can be selected
P26
Margin shift
P28
Initial status
P29
To read total copies
P70
Auto paper select
P72
Bypass in duplex
P74
Stop document feeder use
P75
Stop duplex use
P76
Stop stapler use
P83
Modem access to codes through phone line
P90
Display all of the operator programs
PC
Card counter
PF
Modem problem
U0-00
Operation panel problem
U2-00
EEPROM error. Reset with sim. 16
U3-00
Communication problem between master and mirror controller
U3-20
Mirror drive problem
U3-21
Mirror home sensor problem
U3-26
Mirror motor voltage problem
U3-41
Lens motor home correction did not go well
U3-42
4/5 mirror motor problem similar to U3 -41
U4-02
Duplex alignment plate sensor
U4-03
Duplex rear plate sensor
U5-00
Communication problem between RADF and copier
U5-01
RADF resist sensor
U5-02
RADF reverse sensor
U5-03
RADF timing sensor
U5-04
RADF empty sensor
U5-11
RADF paper feed drive problem
U5-12
RADF transport drive problem
U7-00
Communication problem between copier and modem


Sharp 2114


CodeDescription
A1
Jam in document feeder
A2
Jam in document feeder
C1
Cassette misfeed
C2
Cassette feed, bypass unplugged
C3
Bypass misfeed
E1
Paper feed jam
E3
Exit jam
EE-EL
Developer overtoned during setup
EE-EU
Developer undertoned during setup
J0
Developer setup taking place
J1
Add toner
J3
Drum unit not installed properly or missing
J7
Drum unit due for replacing
J8
Wrong drum unit or power was turned on after J7 displayed
L6
Key counter or other optional counter accessory problem
U1
Drive problem
U2
Scan
U3
Lens
U4-01
Fuser thermistor
U4-02
High fuser temperature
U4-03
Low fuser temperature
U5
500 sheet cassette lift motor
U6
Main board problem
U7
Document glass too hot (with document feeder)
U8
Problem with line voltage
U9
Auto developer setup problem


Sharp 2116, 2118


CodeDescription
CH
Flashing: DV unit not installed, not connected properly
CH
Lit steadily: Sorter not installed or not turned on
EE-EL
During developer calibration, problem of some kind. Over toned
EE-EU
During developer calibration, problem of some kind. Under toned
F1-00
Communication error between main board and sorter
F1-02
Transport motor drive
F1-04
Bin sensor problem. Upper or lower limit sensor problem
F1-05
Sorter bin home sensor
F1-06
Sorter bin motor drive
F1-14
Take out sensor problem
F2-31
Image density sensor problem
F2-32
Drum mark sensor problem
F2-35
Grid voltage correction will not work on the patch voltage is outside the expected range
H2-00
Fuser thermistor open
H3-00
Fuser temperature too high
H4-00
Fuser temperature too low. Lamp, thermal switch, connections
L1
Scan forward problem
L3
Scan return problem
L4
Drive problem; main motor, gear, sensor, bind
L5
Lens problem
L8-01
Zero cross (board problem)
L8-03
Auto exposure sensor problem
P
Paper feed problem
PC
Card counter not installed
U2-01
Memory loss
U2-04
EEPROM error
U5-00
Communication problem between main board and ADF
U5-01
Registration sensor problem during adjustment, or adjustment value is not a valid number
U5-02
Exit sensor adjustment problem; invalid adjustment value
U5-11
Paper feed drive problem
U5-12
Transport motor drive


Sharp 2120, 2216


CodeDescription
CC
Original detection problem
CH
Lit Steadily: Sorter not installed, or not turned on
CH
Flashing: DV unit not installed, not connected properly, or not latched in place properly
F1
Sub code 00: Communication error between main board and sorter. Sub code 02: Sorter transport motor drive.
F2
Sub code 31: Image density sensor. Could be a problem with light level. Sub code 32: Drum mark sensor problem. Does not see mark on drum or sensor not working properly.
H2
Sub code 00: Fuser thermistor open.
H3
Sub code 00: Fuser temperature too high.
H4
Sub code 00: Fuser temperature too low. Lamp, thermal switch, connections.
L1
Scan forward problem. Motor, sensor, board
L3
Scan forward problem. Motor, sensor, board.
L4
Drive problem; main motor, gear, sensor, bind.
L5
Lens problem. Motor sensor board.
L8
Sub code 01: Zero cross.
P
Paper feed problem or no paper
PC
Card counter not installed
U2
Sub code 01: Memory loss.
U4
Sub code 00: Communication problem between copier and duplex unit.
U5
Sub code 00: Communication problem between main board and ADF.


Sharp 2214


CodeDescription
A1
Jam in document feeder
A2
Jam in document feeder
C1
Cassette misfeed
C2
Cassette feed, bypass unplugged
C3
Bypass misfeed
E1
Paper feed jam
E3
Exit jam
EE-EL
Developer overtoned during setup
EE-EU
Developer undertoned during setup
J0
Developer setup taking place
J1
Add toner
J3
Drum unit not installed properly or missing
J7
Drum unit due for replacing
J8
Wrong drum unit or power was turned on after J7 displayed
L6
Key counter or other optional counter accessory problem
U1
Drive problem
U2
Scan
U3
Lens
U4-01
Fuser thermistor
U4-02
High fuser temperature
U4-03
Low fuser temperature
U5
500 sheet cassette lift motor
U6
Main board problem
U7
Document glass too hot (with document feeder)
U8
Problem with line voltage
U9
Auto developer setup problem


Sharp 2314


CodeDescription
CH
If lit steadily, paper feed section cover is open or manual feed unit not installed properly. If flashing, developer seal still installed, or toner density sensor/main board problem.
EE
Sub code EU: undertoned. May be toner density sensor problem or developer unit problem.
Sub code EL: Over toned. May be toner density sensor problem or developer unit problem.
H2
Sub code 0: Fuser thermistor.
H3
Sub code 0: Fuser temperature too high.
H4
Sub code 0: Fuser temperature too low.
L1
Scan problem. Sub code is 0, but there is no more detail. Could be no scan drive; scan did not leave home; scan did not return home; scan overloaded; mirror motor problem; scan cable came off.
L3
Scan return problem. Sub code 0. Approximately same causes as L1
L4
Sub code 1: Main drive problem. Sensor, gear, motor.
L5
Sub code 2: Lens drive, motor, sensor.
L8
Sub code 1: Power frequency varies by more than 5 % or for more than 5 sec. Sub code 3: AE sensor problem.
PC
Key counter not installed.
SPFJAM
Document feeder problem.
U2
Sub code 1: Main board EEPROM problem. Sub code 4: Memory problem.
U5
Sub code 5: high temperature at exposure glass when using document feeder.


Sharp 2414, 2514


CodeDescription
CH
If lit steadily, paper feed section cover is open or manual feed unit not installed properly. If flashing, developer seal still installed, or toner density sensor/main board problem.
EE
Sub code EU: undertoned. May be toner density sensor problem or developer unit problem. Sub code EL: Over toned. May be toner density sensor problem or developer unit problem.
H2
Sub code 0: Fuser thermistor.
H3
Sub code 0: Fuser temperature too high.
H4
Sub code 0: Fuser temperature too low.
L1
Scan problem. Sub code is 0, but there is no more detail. Could be no scan drive; scan did not leave home; scan did not return home; scan overloaded; mirror motor problem; scan cable came off.
L3
Scan return problem. Sub code 0. Approximately same causes as L1
L4
Sub code 1: Main drive problem. Sensor, gear, motor.
L5
Sub code 2: Lens drive, motor, sensor.
L8
Sub code 1 Power frequency varies by more than 5 % or for more than 5 sec. Sub code 3: AE sensor problem.
PC
Key counter not installed.
SPFJAM
Document feeder problem.
U2
Sub code 1: Main board EEPROM problem. Sub code 4: Memory problem.
U5
Sub code 5: high temperature at exposure glass when using document feeder


Sharp 7100, 7200


CodeDescription
0
Stepping motor
10
Mirror motor
40
Dark box switch
8
Mirror motor
C1
Charge corona
C2
Transfer corona
C3
Discharge corona
CH
possible DV unit not installed properly
CH
Interlock or thermal fuse
H1
Heater thermal fuse
H2
Thermistor
H3
High Temperature
H4
Low Temperature
H5
Lower thermofuse
H6
Lower thermistor
H7
High temperature in lower roller
H8
Low temperature in lower roller
L1
Forward Scan
L2
End of Scan
L3
Return of Scan
L4
PT/main motor
L5
Lens
P1
Copy lamp thermal fuse
U1
Low battery
U2
Data transfer
U3
Dark box


Sharp 7320, 7370


CodeDescription
CH
Door open or developer unit out
EL
Developer problem
EU
Developer set up problem
P flashing
Out of paper
P lit
No cassette in machine
PC
Personal counter not installed
U3
Auto exposure sensor problem


Sharp 750


CodeDescription
0
Stepping motor
10
Mirror motor
40
Dark box switch
8
Mirror motor
C1
Charge corona
C2
Transfer corona
C3
Discharge corona
CH
Interlock or thermal fuse
CH
possible DV unit not installed properly
H1
Heater thermal fuse
H2
Thermistor
H3
High Temperature
H4
Low Temperature
H5
Lower thermofuse
H6
Lower thermistor
H7
High temperature in lower roller
H8
Low temperature in lower roller
L1
Forward Scan
L2
End of Scan
L3
Return of Scan
L4
PT/main motor
L5
Lens
P1
Copy lamp thermal fuse
U1
Low battery
U2
Data transfer
U3
Dark box
SERVICE TIPS & PROCEDURES. Maintenance Counter reset is CROP 20, Print
General reset for error codes is CROP 14, Print



Sharp 7900


CodeDescription
CC
Not sensing document on glass
CH
Door open/DV unit not installed properly
EE
DV did not set up properly
EL
DV problem-overtoned condition
EU
DV problem-undertoned condition
H2
Fuser thermistor
H3
Fuser temperature too high
H4
Fuser temperature too low
L1
Forward scan
L3
Return scan
L7
Developer unit shift problem
PC
Key counter
U1
Dead battery
U2
Battery problem


Sharp 8300, 8350, 8400


CodeDescription
CC
Not sensing document on glass
CH
Door open/DV unit not installed properly
EE
DV did not set up properly
EL
DV problem-overtoned condition
EU
DV problem-undertoned condition
H2
Fuser thermistor
H3
Fuser temperature too high
H4
Fuser temperature too low
L1
Forward scan
L3
Return scan
L7
Developer unit shift problem
PC
Key counter
U1
Dead battery
U2
Battery problem



Sharp 8875


CodeDescription
C2
Transfer corona problem
CH
If lit steadily, open door or other interlock. If flashing, developer unit not installed or not connected properly
H2
Fuser thermistor
H3
Fuser overheat. Triac pinched wire
H4
Low fuser temperature. Lamp, thermal fuse, thermistor, connection
L1
Scan problem. Did not leave home position
L2
Scan left home, but did not complete scan
L3
No return scan
L4
Drive problem
L5
Lens problem
L9
Sorter index. If 0 is flashing, sorter index home sensor did not actuate. If 1 is flashing, sorter bottom actuator remained actuated
U1
Battery. Replace battery (might have 2) and do simulation 13 to reset
U2
Communication problem within boards. To reset, jumper test points W2 & U2


Sharp Z50, 55, 70


CodeDescription
(Z70)E
Magnification dial not set properly
H
Heater problem (fuser has resettable
L
Scan problem
P
Paper feed problem


Sharp Z60


CodeDescription
F
Thermal fuse - exposure or fuser
H
Heater problem
L
Scan problem
U
Low Battery


Sharp Z800


CodeDescription
A1
Jam in document feeder
A2
Jam in document feeder
C1
Cassette misfeed
C2
Cassette feed, bypass unplugged
C3
Bypass misfeed
E1
Paper feed jam
E3
Exit jam
EE-EL
Developer overtoned during setup
EE-EU
Developer undertoned during setup
J0
Developer setup taking place
J1
Add toner
J3
Drum unit not installed properly or missing
J7
Drum unit due for replacing
J8
Wrong drum unit or power was turned on after J7 displayed
L6
Key counter or other optional counter accessory problem
U1
Drive problem
U2
Scan
U3
Lens
U4-01
Fuser thermistor
U4-02
High fuser temperature
U4-03
Low fuser temperature
U5
500 sheet cassette lift motor
U6
Main board problem
U7
Document glass too hot (with document feeder)
U8
Problem with line voltage
U9
Auto developer setup problem


Sharp Z810


CodeDescription
A1
Document feeder problem.
CH
Toner cartridge not installed or not installed properly.
H2
Sub code 0: Fuser thermistor.
H3
Sub code 0: Fuser temperature too high.
H4
Sub code 0: Fuser temperature too low.
L1
Document feeder problem.
L3
Scan return problem. Sub code is 0, but there is no more detail. Could be no scan drive; scan did not leave home; scan did not return home; scan overloaded; mirror motor problem; scan cable came off.
L4
Sub code 1: Main drive problem. Sensor gear motor.
L5
Sub code 2: Lens drive, motor, sensor
P
Paper feed.
U2
Sub code 1: Main board EEPROM problem. 4: Memory problem.
U5
Sub code 5: high temperature at exposing glass when using document feeder.

Sharp DIGITAL Copier Error Reset Codes

For information only
Use these error correction codes AT YOUR OWN RISK!
NOT for use with Sharp Analog Copiers
NOT for use with post 1995 Sharp Copiers
NOT all codes apply to all copiers!



AR-150, 151, & 155 - Trouble Reset
     Press: "Clear", "Exposure Select Key", "Clear", "Exposure Select Key", "14", "Start Key"
AR-150, 151, & 155 - Drum Counter Reset
     Press: "Clear", "Exposure Select Key", "Clear", "Exposure Select Key", "24", "Start Key", "7", "Start Key"
AR-160, AR-162, AR-163, AR-164, AR-200, AR-201, AR-205, AR-207; DM-2000, DM-2005, DM-2010, DM-2015 - Trouble Reset
     Press: "Clear", "Interupt", "0", "Interupt", "14", "Start Key"
AR-160, AR-162, AR-163, AR-164, AR-200, AR-201, AR-205, AR-207; DM-2000, DM-2005, DM-2010, DM-2015 - Drum Counter Reset
AR-162, AR-163, AR-164,      Press: "Clear", "Interupt", "0", "Interupt", "24", "Start Key", "7", "Start Key"
AR-M160, AR-M205 - Trouble Reset
     Press: "#", "Interupt", "Clear", "Interupt", "14", "Start Key"
AR-M160, AR-M205 - Drum Counter Reset
     Press: "#", "Interupt", "Clear", "Interupt", "24", "Start Key", "7", "Start Key"
AR-168S, AR-168D, AR-208D, AR-208S, AR-M162, AR-M162E, AR-M207, AR-M207E - Trouble Reset
     Press: "#", "*", "Clear", "*", "14", "Start Key"
AR-168S, AR-168D, AR-208D, AR-208S, AR-M162, AR-M162E, AR-M207, AR-M207E - Drum Counter Reset
     Press: "#", "*", "Clear", "*", "24", "Start Key", "7", "Start Key"

4. Trouble Codes
Main code Sub code Trouble content Detail of trouble
E7 03 HSYNC cannot be
detected.
LSU (laser diode, reception element, APC circuit) trouble
LSU drive circuit (ASIC) trouble
E7 04
CCD white level trouble
CCD drive circuit (CCD PWB, ASIC harness) trouble
Copy lamp lighting trouble (Copy lamp, invertor PWB)
E7 05 CD black level trouble CCD drive circuit (CCD PWB, ASIC, harness) trouble
E7 12 Shading trouble
(white correction)
Dirt on white plate for scanning white level
E7 14
ASIC connection trouble
Improper connection between CPU and ASIC (pattern cut, improper connection
of lead pin)
E7 15
Copy lamp OFF trouble
Copy lamp or copy lamp drive circuit (invertor PWB) trouble Copy lamp
disconnection
L1 00
Feed is not completed
within the specified time.
When the mirror base is returned for the specified time (6 sec) in mirror initializing
after turning on the power, the mirror home position sensor (MHPS) does not
turn OFF. Or when the mirror base is fed for the specified time (about 6 sec)
after start of copy return, the mirror home position sensor (MHPS) does not turn
OFF.
L3 00
Return is not completed
within the specified time.
When the mirror base is returned for the specified time (6 sec) in mirror
initializing after turning on the power, the mirror home position sensor (MHPS)
does not turn ON.Or when the mirror base is returned for the specified time
(about 6 sec) after start of copy return, the mirror home position sensor (MHPS)
does not turn ON.
L4 01 Main motor lock When the main motor encoder pulse is not detected for 100msec.
L6 10
Polygon motor lock
The lock signal (specified rpm signal) does not return within a certain time (about
20sec) from starting the polygon motor rotation
H2 00 Thermistor open detection The fusing thermistor is open.
H3 00 Heat roller abnormally high
temperature
The fusing temperature rises above 240°C.
H4 00 Heat roller abnormally low
temperature
The fusing temperature does not reach 185°C within 27 sec of turning on the
power, or the fusing temperature keeps at 140°C.
U2 01 Counter sum check error When the counter check sum value stored in the EEPROM is abnormal.
U2 04 EEPROM serial
communication error
When a communication trouble occurs with the EEPROM.
CH
(Blinking)
- TD cartridge not installed Check if TD cartridge is installed.
4. Trouble Codes
AL-1000/1
Main code Sub code Trouble content Detail of trouble
E7 03 HSYNC cannot be
detected.
LSU (laser diode, reception element, APC circuit) trouble
LSU drive circuit (ASIC) trouble
E7 04
CCD white level trouble
CCD drive circuit (CCD PWB, ASIC harness) trouble
Copy lamp lighting trouble (Copy lamp, invertor PWB)
E7 05 CD black level trouble CCD drive circuit (CCD PWB, ASIC, harness) trouble
E7 12 Shading trouble
(white correction)
Dirt on white plate for scanning white level
E7 14
ASIC connection trouble
Improper connection between CPU and ASIC (pattern cut, improper connection
of lead pin)
E7 15
Copy lamp OFF trouble
Copy lamp or copy lamp drive circuit (invertor PWB) trouble Copy lamp
disconnection
L1 00
Feed is not completed
within the specified time.
When the mirror base is returned for the specified time (6 sec) in mirror initializing
after turning on the power, the mirror home position sensor (MHPS) does not
turn OFF. Or when the mirror base is fed for the specified time (about 6 sec)
after start of copy return, the mirror home position sensor (MHPS) does not turn
OFF.
L3 00
Return is not completed
within the specified time.
When the mirror base is returned for the specified time (6 sec) in mirror
initializing after turning on the power, the mirror home position sensor (MHPS)
does not turn ON.Or when the mirror base is returned for the specified time
(about 6 sec) after start of copy return, the mirror home position sensor (MHPS)
does not turn ON.
L4 01 Main motor lock When the main motor encoder pulse is not detected for 100msec.
L6 10
Polygon motor lock
The lock signal (specified rpm signal) does not return within a certain time (about
20sec) from starting the polygon motor rotation
H2 00 Thermistor open detection The fusing thermistor is open.
H3 00 Heat roller abnormally high
temperature
The fusing temperature rises above 240°C.
H4 00 Heat roller abnormally low
temperature
The fusing temperature does not reach 185°C within 27 sec of turning on the
power, or the fusing temperature keeps at 140°C.
U2 01 Counter sum check error When the counter check sum value stored in the EEPROM is abnormal.
U2 04 EEPROM serial
communication error
When a communication trouble occurs with the EEPROM.
CH
(Blinking)
- TD cartridge not installed Check if TD cartridge is installed.
AL-1000/1010

10-11
010
10-11
AL-2030/2040CS/2050CS    SIMULATION, TROUBLE CODES  10 - 30
5. Trouble codes
A. Trouble codes list B. Details of trouble codes
64 01 Self print [Function]
The status of the optical section is ignored and printing of one page is made. Also when the
print command is received from the host, printing is made.
When this simulation is executed, warm-up is performed and the ready lamp is lighted. (Since,
however, the scanner is disabled, initializing is not made.)
Enter the code number and press [ENTER]/[START] key to start paper feed from the selected
cassette and print in the selected pattern.
* For 4 – 99, flip.
[Operation]
The operation is similar to simulation 26-02.
67 50 USB receive speed 
adjustment (USB1.1) 
(AL-2030/AL-2040CS only)
Used to set the limitation on the print data receive speed of USB2.0 (Full speed) port (USB port
on the machine).
o When print images  from USB2.0 (Full speed) port are disturbed, change the setting and try
again.
When this simulation is executed, the currently set code number is displayed.
Enter the code number corresponding to the adjustment value, and press [START] key to
change the setting.
Main 
code
Sub 
code
Contents Details of function/operation
Code number Pattern Display item
0 1by2 1 BY 2
1 Grid pattern  CHECK
2 White paper  WHITE
3 Black background BLACK
Code number Setting Speed
1 FAST n Fast
2 NORMAL1
3 NORMAL2
4 SLOW p Slow
Main 
code
Sub 
code
Details of trouble
E1 00 IMC communication trouble
10 IMC trouble
13 IMC flash ROM error
81 IMC communication interface error (Parity)
82 IMC communication interface error (Overrun)
84 IMC communication interface error (Framing)
E7 01 Duplex model memory setup error, memory notdetected error
02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F5 02 Copy lamp lighting abnormality
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Feeding is not completed within the specified time 
after starting feeding. (The scan head locking switch 
is locked)
L3 00 Scanner return trouble
L4 01 Main motor lock detection
32 Exhaust fan motor lock detection trouble
L6 10 Polygon motor lock detection
U2 04 EEPROM read/write error (Serial communication 
error)
11 Counter check sum error (EEPROM)
Main 
code
Sub 
code
Details of trouble
E1 00 Content IMC communication trouble
Detail An abnormality occurs in communication 
between the CPU and the IMC.
Cause IMC abnormality
IMC memory defect/data abnormality
Check 
and 
remedy
Replace the MCU PWB with new one.
10 Content IMC trouble
Detail An abnormality occurs in the IMC.
Cause USB chip error/CODEC error on the IMC.
Check 
and 
remedy
Replace the MCU PWB with a new one.
13 Content IMC flash ROM error
Detail An abnormality occurs in the IMC flash 
ROM.
Cause IMC abnormality
Check 
and 
remedy
Replace the MCU PWB with a new one.
If downloading of the program is abnormally 
terminated, it may cause an error. Download 
the program again to avoid this.
81 Content IMC communication interface error (Parity)
Detail A parity error occurs in communication 
between the CPU and the IMC.
Cause IMC abnormality
IMC memory defect/data abnormality
Check 
and 
remedy
Replace the MCU PWB with new one.AL-2030/2040CS/2050CS    SIMULATION, TROUBLE CODES  10 - 31
E1 82 Content IMC communication interface error 
(Overrun)
Detail An overrun error occurs in communication 
between the CPU and the IMC.
Cause IMC abnormality
IMC memory defect/data abnormality.
Check 
and 
remedy
Replace the MCU PWB with new one.
84 Content IMC communication interface error 
(Framing)
Detail A framing error occurs in communication 
between the CPU and the IMC.
Cause IMC abnormality
IMC memory defect/data abnormality.
Check 
and 
remedy
Replace the MCU PWB with new one.
E7 01 Content Duplex model memory setup error, memory 
not-detected error
Detail The memory is not set properly or the 
memory capacity is not set to the duplex 
setup (6M).
Check 
and 
remedy
Set SIM 26-39 code number to 2.
02 Content LSU trouble
Detail The BD signal from the LSU cannot be 
detected in a certain cycle. (Always OFF or 
always ON)
Cause LSU connector or LSU harness defect or 
disconnection
Polygon motor rotation abnormality
Laser beams are not generated.
MCU PWB abnormality.
Check 
and 
remedy
Check connection of the LSU connector.
Execute SIM 61-03 to check the LSU 
operations.
Check that the polygon motor rotates 
normally.
Check that the laser emitting diode 
generates laser beams.
Replace the LSU unit.
Replace the MCU PWB.
10 Content Shading trouble (Black correction)
Detail The CCD black scan level is abnormal when 
the shading.
Cause Improper connection of the CCD unit flat 
cable
CCD unit abnormality
MCU PWB abnormality
Check 
and 
remedy
Check connection of the CCD unit flat cable.
Check the CCD unit.
Main 
code
Sub 
code
Details of trouble
E7 11 Content Shading trouble (White correction)
Detail The CCD white scan level is abnormal when 
the shading.
Cause Improper connection of the CCD unit flat 
cable
Dirt on the mirror, the lens, and the reference 
white plate
Copy lamp lighting abnormality
CCD unit abnormality
MCU PWB abnormality
(When occurred in the SPF/RSPF scan 
position.)
Improper installation of the mirror unit
Check 
and 
remedy
Clean the mirror, lens, and the reference 
white plate.
Check the light quantity and lighting status of 
the copy lamp (SIM 05-03).
Check the MCU PWB.
16 Content Abnormal laser output
Detail When the laser output is stopped, HSYNC is 
detected.
Cause Laser abnormality
MCU PWB abnormality.
Check 
and 
remedy
Check the laser emitting diode operation.
Replace the MCU PWB.
F5 02 Content Copy lamp lighting abnormality
Detail The copy lamp does not turn on.
Cause Copy lamp abnormality
Copy lamp harness abnormality
CCD PWB harness abnormality.
Check 
and 
remedy
Use SIM 5-3 to check the copy lamp 
operations.
When the copy lamp lights up.
Check the harness and the connector 
between the CCD unit and the MCU PWB.
When the copy lamp does not light up.
Check the harness and the connector 
between the copy lamp unit and the MCU 
PWB.
Replace the copy lamp unit.
Replace the MCU PWB.
H2 00 Content Thermistor open
Detail The thermistor is open.
The fusing unit is not installed.
Cause Thermistor abnormality
Control PWB abnormality
Fusing section connector disconnection
The fusing unit is not installed.
Check 
and 
remedy
Check the harness and the connector 
between the thermistor and the PWB.
Use SIM 14 to clear the self diagnostic 
display.
Main 
code
Sub 
code
Details of troubleAL-2030/2040CS/2050CS    SIMULATION, TROUBLE CODES  10 - 32
H3 00 Content Heat roller high temperature detection
Detail The fusing temperature exceeds 240°C.
Cause Thermistor abnormality
Control PWB abnormality
Fusing section connector disconnection.
Check 
and 
remedy
Use SIM 5-02 to check the heater lamp 
blinking operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the 
control PWB.
When the lamp keeps ON.
Check the power PWB and the lamp control 
circuit on the MCU PWB.
Use SIM 14 to clear the self diagnostic 
display.
H4 00 Content Heat roller low temperature detection
Detail 1) When the target temperature (165°C) is 
not reached in 55 sec after starting 
warming-up.
2) When the temperature below 100°C is 
detected for 300ms under the ready print 
state.

 "Starting warming-up" means not only that 
in power supply but also reset that in reset 
from shut-off and in side door close. (The 
timing of generating H4 is not limited to 
that in power supply.)
Cause Thermistor abnormality
Heater lamp abnormality
Thermostat abnormality
Control PWB abnormality
Check 
and 
remedy
Use SIM 5-02 to check the heater lamp 
blinking operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the 
control PWB.
When the lamp does not light up.
Check for disconnection of the heater lamp 
and the thermostat. Check the interlock 
switch.
Check the power PWB and the lamp control 
circuit on the MCU PWB.
Use SIM 14 to clear the self diagnostic 
display.
Main 
code
Sub 
code
Details of trouble
L1 00 Content Feeding is not completed within the 
specified time after starting feeding. (The 
scan head locking switch is locked)
Detail The white area and the black marking on the 
shading plate are used to obtain the 
difference in the CCD level values for 
judgment of lock. When the difference in the 
levels of which and black is small, it is judged 
that the black mark could not be scanned by 
lock and the trouble code "L1" is displayed.
Cause The scan head is locked by the lock switch.
Mirror unit abnormality
The scanner wire is disconnected.
The origin detection sensor abnormality
Mirror motor harness abnormality
Check 
and 
remedy
Check to confirm that the scan head lock 
switch is released.
Use SIM 1-1 to check the mirror 
reciprocating operations.
When the mirror does not feed.
Check for disconnection of the scanner wire.
Check the harness and the connector 
between the mirror motor and the MCU 
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use SIM 1-2 to check the mirror home 
position sensor.
L3 00 Content Scanner return trouble
Detail When the mirror base is returned for the 
specified time (6 sec) in mirror initializing 
after turning on the power, the mirror home 
position sensor (MHPS) does not turn ON. 
Or when the mirror base is returned for the 
specified time (about 6 sec) after start of 
copy return, the mirror home position sensor 
(MHPS) does not turn ON.
Cause Mirror unit abnormality
Scanner wire disconnection
Origin detection sensor abnormality
Mirror motor harness abnormality
Check 
and 
remedy
Use SIM 1-1 to check the mirror 
reciprocating operations.
When the mirror does not return.
Check for disconnection of the scanner wire.
Check the harness and the connector 
between the mirror motor and the MCU 
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use SIM 1-2 to check the mirror home 
position sensor.
Main 
code
Sub 
code
Details of troubleAL-2030/2040CS/2050CS    SIMULATION, TROUBLE CODES  10 - 33
L4 01 Content Main motor lock detection
Detail When the main motor encoder pulse is not 
detected for 100 msec.
Cause Main motor unit abnormality
Improper connection or disconnection the 
main motor and the harness.
MCU PWB abnormality
Check 
and 
remedy
Use SIM 25-01 to check the main motor 
operations.
Check connection of the main motor 
harness/connector.
Replace the main motor.
Replace the MCU PWB.
32 Content Exhaust fan motor lock detection trouble
Detail The error detection is started after 2 sec 
from starting rotation of the exhaust fan 
motor.
1) The continuous rotation state of 250ms is 
not detected for 1 sec after starting 
detection.
2) When the lock sensor (in the exhaust fan) 
detects the HIGH level (unstable) after 
detection the lock state (stable state).
Cause Exhaust fan motor connector connection 
trouble
Exhaust fan motor trouble
MCU PWB trouble
Check 
and 
remedy
Exhaust fan motor connector connection 
check
Exhaust fan motor replacement
Replace the MCU PWB.
L6 10 Content Polygon motor lock detection
Detail The lock signal (specified rpm signal) does 
not return within a certain time (about 20 
sec) from starting the polygon motor 
rotation.
Cause Polygon motor unit abnormality
Improper connection or disconnection of the 
polygon motor and the harness.
MCU PWB abnormality
Check 
and 
remedy
Use SIM 61-1 to check the polygon motor 
operations.
Check connection of the polygon motor 
harness/connector.
Replace the polygon motor.
Replace the MCU PWB.
U2 04 Content EEPROM read/write error (Serial 
communication error)
Detail EEPROM access process error
Cause EEPROM abnormality
Check 
and 
remedy
Check that the EEPROM is properly set.
Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
11 Content Counter check sum error (EEPROM)
Detail Check sum error of the counter area in the 
EEPROM
Cause EEPROM abnormality
Check 
and 
remedy
Check that the EEPROM is properly set.
Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
Main 
code
Sub 
code
Details of trouble
[9] TROUBLE CODE LIST
1. Trouble  code list
Trouble
code
Trouble  content
E1 00 E-Sort  board  communication trouble
10 E-Sort  board trouble
11 E-Sort ASIC  error
12 E-Sort  CODEC  error
13 E-Sort flash ROM  error
14 E-Sort  RAM  error
15 E-Sort  page memory  error
16 E-Sort SIMM  error
17 Rotation  RAM  error
80 E-Sort  board  communication trouble  (Protocol)
81 E-Sort  board  communication trouble  (Parity)
82 E-Sort  board  communication trouble  (Overrun)
84 E-Sort  board  communication trouble  (Framing)
88 E-Sort  board  communication trouble  (Time-out)
E7 03 LSU trouble
04 CCD  white level trouble
05 CCD  black level trouble
F1 06 Shifter motor trouble
F2 04 CRUM  data  read trouble
F5 02 Copy lamp  error
F6 00 FAX  board  communication trouble
10 FAX  board trouble
80 FAX  board  communication trouble  (Protocol)
81 FAX  board  communication trouble  (Parity)
82 FAX  board  communication trouble  (Overrun)
84 FAX  board  communication trouble  (Framing)
88 FAX  board  communication trouble  (Time-out)
F9 00 Printer PWB  communication trouble
10 Printer PWB trouble
80 Printer PWB  communication trouble  (Protocol)
81 Printer PWB  communication trouble  (Parity)
82 Printer PWB  communication trouble  (Overrun)
84 Printer PWB  communication trouble  (Framing)
88 Printer PWB  communication trouble  (Time-out)
H2 00 Thermistor open  detection
H3 00 Heat  roller  abnormally  high temperature
H4 00 Heat  roller  abnormally low temperature
L1 00 Mirror  base feed trouble
L3 00 Mirror  base  return trouble
L4 01 Main motor lock
10 Job  separator motor  abnormality
L6 10 Polygon motor lock
L8 01 Zero  cross  pulse  (FW) trouble
U2 04 EEPROM  serial  communication error
11 Counter  check  sum  error
12 Adjustment  value  check  sum  error  (EEPROM)
40 CRUM  communication error
U3 29 Mirror  base  home  position  error
U9 00 Operation  control PWB  communication trouble
80 Operation  control PWB  communication trouble
(Protocol)
81 Operation  control PWB  communication trouble
(Parity)
82 Operation  control PWB  communication trouble
(Overrun)
84 Operation  control PWB  communication trouble
(Framing)
88 Operation  control PWB  communication trouble  (Timeout)
U95 Operation  control PWB  connection  error
U99 Operation  control PWB  connection  error
2. Details  of  trouble  codes
Main 
code
Sub
code
Detail  of trouble
E1 00 Content Communication trouble  between
MCU  and E-Sort.
Detail Communication  setup  error,
framing,  parity,  protocol  error
Cause E-Sort PWB  connector
disconnection
E-Sort PWB MCU PWB  harness
failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
10 Content E-Sort PWB trouble
Detail Communication trouble  between
MCU  and E-Sort
Cause E-Sort PWB  connector
disconnection
E-Sort PWB MCU PWB  harness
failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
11 Content E-Sort PWB ASIC  error
Detail E-Sort PWB ASIC  abnormality
Cause An ASIC  abnormality is  detected
in the E-Sort PWB.
Control  circuit  hung  up  due to
noises
ASIC  peripheral  circuit  error
AR-162  TROUBLE  CODE  LIST  –  1Main 
code
Sub
code
Detail  of trouble
E1 11 Check  and
remedy
Replace the E-Sort PWB.
Check  grounding  of the machine.
12 Content E-Sort PWB  CODEC  error
Detail E-Sort PWB  CODEC  error
Cause A  CODEC  error is  detected in the
E-Sort PWB.
Control  circuit  hung  up  due to
noises
CODEC  peripheral  circuit  error
Check  and
remedy
Replace the E-Sort PWB.
Check  grounding  of the machine.
13 Content E-Sort PWB  Flash  ROM  error
Detail E-Sort PWB  Flash  ROM
abnormality
Cause A  Flash  ROM  abnormality is
detected in the E-Sort PWB.
Control  circuit  hung  up  due to
noises
Flash ROM  peripheral  circuit  error
Check  and
remedy
Replace the E-Sort PWB.
Rewrite the flash  ROM  data.
Check  grounding  of the machine.
14 Content E-Sort PWB Work RAM  error
Detail E-Sort PWB Work  RAM  abnormality
Cause A Work  RAM  abnormality is
detected in the E-Sort PWB.
Control  circuit  hung  up  due to
noises
RAM  peripheral  circuit  error
Check  and
remedy
Replace the E-Sort PWB.
Check  grounding  of the machine.
15 Content E-Sort PWB Page Memory  error
Detail E-Sort PWB Page Memory
abnormality
Cause A Page Memory  abnormality is
detected in the E-Sort PWB.
Control  circuit  hung  up  due to
noises
Page Memory  peripheral  circuit
error
Check  and
remedy
Replace the E-Sort PWB.
Check  grounding  of the machine.
16 Content E-Sort PWB SIMM  error
Detail E-Sort PWB SIMM  abnormality
Cause A SIMM  abnormality is  detected in
the E-Sort PWB.
Control  circuit  hung  up  due to
noises
SIMM  peripheral  circuit  error
Check  and
remedy
Replace the E-Sort PWB.
Replace the SIMM.
Check  grounding  of the machine.
17 Content E-Sort PWB image  rotating RAM
error
Detail E-Sort PWB image  rotating RAM
abnormality
Main 
code
Sub
code
Detail  of trouble
E1 17 Cause An image  rotating  RAM
abnormality is  detected in the ESort PWB.
Control  circuit  hung  up  due to
noises
Image  rotating  RAM  peripheral
circuit error
Check  and
remedy
Replace the E-Sort PWB.
Check  grounding  of the machine.
80 Content E-Sort PWB  communication
trouble  (protocol)
Detail Communication trouble  between
MCU  and  printer PWB  (Protocol
error)
Cause E-Sort PWB  connector
disconnection
E-Sort PWB MCU PWB  harness
failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
81 Content E-Sort PWB  communication
trouble  (Parity)
Detail Communication trouble  between
MCU  and  printer E-Sort  (Parity
error)
Cause E-Sort PWB  connector
disconnection
E-Sort PWB MCU PWB  harness
failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
82 Content E-Sort PWB  communication
trouble  (Overrun)
Detail Communication trouble  between
MCU  and E-Sort PWB  (Overrun
error)
Cause E-Sort PWB  connector
disconnection
E-Sort PWB MCU PWB  harness
failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
AR-162  TROUBLE  CODE  LIST  –  2Main 
code
Sub
code
Detail  of trouble
E1 82 Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
84 Content E-Sort PWB  communication
trouble  (Framing)
Detail Communication trouble  between
MCU  and E-Sort PWB  (Framing
error)
Cause E-Sort PWB  connector
disconnection
E-Sort PWB MCU PWB  harness
failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
88 Content E-Sort PWB  communication
trouble  (Time-out)
Detail Communication trouble  between
MCU  and E-Sort PWB  (Time-out
error)
Cause E-Sort PWB  connector
disconnection
E-Sort PWB  and MCU PWB
harness failure
E-Sort Motherboard  connector  pin
breakage.
E-Sort PWB  ROM  defect,  data
failure
Check  and
remedy
Check the  connectors  and  harness
of the E-Sort PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the E-Sort
PWB.
E7 03 Content LSU trouble
Detail After the  polygon motor  becomes
active, BD  signal  (HSYNC) from
the  LSU is  not  detected  at the
specified times  (41  10 times
within 20msec).
Cause LSU  connector  disconnection  or
LSU’s inside  harness
disconnection  or  breakage
Polygon motor  rotation  abnormality
Improper  positioning  of the laser
home  position  sensor in the  LSU.
Laser  power  voltage failure
Laser  emitting  diode  abnormality
MCU PWB  abnormality
Main 
code
Sub
code
Detail  of trouble
E7 03 Check  and
remedy
Improper  connection  of the  LSU
connector
Check the  polygon motor
operation  with SIM  25-10.
Check  printing  with SIM64-1.
Check laser  emission  of laser
emitting  diode.
Check the  LSU  unit.
Check the MCU PWB.
04 Content CCD  white level trouble
Detail CCD  white  reference level  which
is  read  during the  copy lamp
lighting is  abnormal.
Cause Flat  cable installation failure to
CCD  unit
Dirt  on the mirror, lens,  and
reference  white  plate
Copy lamp lighting failure
CCD  unit installation failure
CCD  unit  abnormality
MCU PWB  abnormality
Check  and
remedy
Clean the mirror, the lens,  and the
reference  white  plate. 
Check the  copy lamp  (SIM  5-3)
ON.
Carriage  unit  position failure
Check the  sub  scanning  direction
distortion  adjustment  (F  rail  height).
CCD  unit  check
MCU PWB  check
05 Content CCD  black level trouble
Detail CCD  black level  which is  read
while the  copy lamp is  off is
abnormal.
Cause Flat  cable installation failure
CCD  unit  abnormality
MCU PWB  abnormality
Check  and
remedy
Check flat  cable installation to the
CCD  unit.
CCD  unit  check
MCU PWB  check
F1 06 Content Shifter motor trouble
Details The  home  position is  not  detected
within  1  sec  after  shifter motor
drive.
Cause The  shifter  home  position  sensor
is  defective.
The  shifter motor is  defective.
The  shifter motor  periphery  circuit
is  defective.
The  condition  of the MCU PWB
JP4 is  wrong.
The  assembly  of the  shifter motor
unit is improper.
Check  and
remedy
Check the  shifter  operation  by
means  of  SIM3-2  and  3.
Check the  harnesses  and
connectors.
Check  whether the  shifter  unit is
properly assembled.
Check  whether the  condition  of
the MCU PWB  JP4 is  correct.
AR-162  TROUBLE  CODE  LIST  –  3Main 
code
Sub
code
Detail  of trouble
F2 04 Content CRUM  data  read trouble
Detail Communication  error  between
CRUM PWB  and MCU PWB
Cause CRUM PWB  data  error
MCU PWB  error
MCU PWB EEPROM  error
Disconnection  between CRUM
(toner  cartridge)  and MCU PWB
Check  and
remedy
Replace the toner  cartridge.
Replace MCU PWB.
Replace MCU PWB EEPROM
Check  and fix  connection  between
CRUM  (toner  cartridge)  and MCU
PWB.
F5 02 Content Copy lamp  error
Detail Copy lamp  voltage  detection  error
Cause Power  unit trouble
Copy lamp trouble
Inverter trouble
MCU PWB trouble
Check  and
remedy
Replace the  power  unit.
Check the  copy lamp ON  with SIM
5-3.
Replace the  copy lamp.
Replace the inverter.
Replace the MCU PWB.
F6 00 Content Communication trouble  between
MCU  and  FAX  (MCU  detection)
Detail Communication establishment
error, framing  error,  parity  error,
protocol error
Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB.
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error,  data
error
Check  and
remedy
Check  connector/harness of FAX
control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
10 Content FAX  control PWB trouble
Detail Communication trouble  between
MCU  and FAX  control WPB
Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error/Data
error
Check  and
remedy
Check  connector/harness between
FAX  control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
80 Content FAX  control PWB  communication
trouble  (Protocol)
Detail Communication trouble  between
MCU  and FAX  control PWB
(Protocol  error)
Main 
code
Sub
code
Detail  of trouble
F6 80 Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error/Data
error
Check  and
remedy
Check  connector/harness between
FAX  control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
81 Content FAX  control PWB  communication
trouble  (Parity)
Detail Communication trouble  between
MCU  and FAX  control PWB
(Parity  error)
Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error/Data
error
Check  and
remedy
Check  connector/harness between
FAX  control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
82 Content FAX  control PWB  communication
trouble  (Overrun)
Detail Communication trouble  between
MCU  and FAX  control PWB
(Overrun error)
Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error/Data
error
Check  and
remedy
Check  connector/harness between
FAX  control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
84 Content FAX  control PWB  communication
trouble  (Framing)
Detail Communication trouble  between
MCU  and FAX  control PWB
(Framing  error)
Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error/Data
error
Check  and
remedy
Check  connector/harness between
FAX  control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
AR-162  TROUBLE  CODE  LIST  –  4Main 
code
Sub
code
Detail  of trouble
F6 88 Content FAX  control PWB  communication
trouble  (Timeout)
Detail Communication trouble  between
MCU  and FAX  control PWB
(Timeout error)
Cause Bad  connection  of  FAX  control
PWB  connector
Defective  harness  between FAX
control PWB  and MCU PWB
Motherboard  connector  pin
breakage
FAX  control PWB  ROM  error/Data
error
Check  and
remedy
Check  connector/harness between
FAX  control PWB  and MCU PWB.
Check  grounding  of the machine.
Check FAX  control PWB  ROM.
F9 00 Content Communication trouble  between
MCU  and  printer PWB  (MCU
detection)
Detail Communication establishment
error, framing  error,  parity  error,
protocol error
Cause Bad  connection  of  printer PWB
connector
Defective  harness  between  printer
PWB  and MCU PWB.
Motherboard  connector  pin
breakage
Printer PWB  ROM  error,  data  error
Check  and
remedy
Check  connector/harness  of  printer
PWB  and MCU PWB.
Check  grounding  of the machine.
Check  printer PWB  ROM.
10 Content Printer PWB trouble
Detail Communication trouble  between
MCU  and  printer PWB
Cause Bad  connection  of  printer PWB
connector
Defective  harness  between  printer
PWB  and MCU PWB.
Motherboard  connector  pin
breakage
Printer PWB  ROM  error,  data  error
Check  and
remedy
Check  connector/harness  of  printer
PWB  and MCU PWB.
Check  grounding  of the machine.
Check  printer PWB  ROM.
80 Content Printer PWB  communication
trouble  (Protocol)
Detail Communication trouble  between
MCU  and  printer PWB  (Protocol
error)
Cause Bad  connection  of  printer PWB
connector
Defective  harness  between  printer
PWB  and MCU PWB.
Motherboard  connector  pin
breakage
Printer PWB  ROM  error,  data  error
Check  and
remedy
Check  connector/harness  of  printer
PWB  and MCU PWB.
Check  grounding  of the machine.
Check  printer PWB  ROM.
Main 
code
Sub
code
Detail  of trouble
F9 81 Content Printer PWB  communication
trouble  (Parity)
Details Communication trouble  between
MCU  and  printer PWB(Parity  error)
Cause Printer PWB  connector
disconnection
Printer PWB MCU PWB  harness
failure
Printer PWB mother  board
connector  pin  breakage.
Printer PWB  ROM  defect,data
failure
Check  and
remedy
Check the  connectors  and  harness
of the  printer PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the  printer
PWB.
82 Content Printer PWB  communication
trouble  (Overrun)
Details Communication trouble  between
MCU  and  printeu PWB(Overrun
error)
Cause Printer PWB  connector
disconnection
Printer PWB MCU PWB  harness
failure
Printer PWB mother  board
connector  pin  breakage.
Printer PWB  ROM  defect,data
failure
Check  and
remedy
Check the  connectors  and  harness
of the  printer PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the  printer
PWB.
84 Content Printer PWB  communication
trouble  (Framing)
Details Communication trouble  between
MCU  and  printer PWB(Framing
error)
Cause Printer PWB  connector
disconnection
Printer PWB MCU PWB  harness
failure
Printer PWB mother  board
connector  pin  breakage.
Printer PWB  ROM  defect,data
failure
Check  and
remedy
Check the  connectors  and  harness
of the  printer PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the  printer
PWB.
88 Content Printer PWB  communication
trouble  (Time-out)
Details Communication trouble  between
MCU  and  printeu PWB(Time-out
error)
AR-162  TROUBLE  CODE  LIST  –  5Main 
code
Sub
code
Detail  of trouble
F9 88 Cause Printer PWB  connector
disconnection
Printer PWB MCU PWB  harness
failure
Printer PWB mother  board
connector  pin  breakage.
Printer PWB  ROM  defect,data
failure
Check  and
remedy
Check the  connectors  and  harness
of the  printer PWB  and the MCU
PWB.
Check  grounding  of the machine.
Check the  ROM  of the  printer
PWB.
H2 00 Content Thermistor open  detection
Detail Fusing thermistor  open
Cause Thermistor defect
MCU PWB  defect
Fusing  section  connector  contact
failure
Power  supply failure
Fusing  unit  not installed
Check  and
remedy
Check the  harness  and the
connector  of the thermistor  and
the MCU.
Clear the  self  diag  display  with
SIM  14.
H3 00 Content Heat  roller  abnormally  high
temperature
Detail Fusing temperature  of  220  !
240˚C.
Cause Thermistor defect
MCU PWB  defect
Fusing  connector  connection failure
Power  supply failure
Check  and
remedy
Check the  heater lamp  blinking
with SIM  5-2.
When the lamp  blinks  normally:
Check  the  thermistor and  the
harness. Check the MCU  PWB
thermistor input circuit.
When the lamp lights  up instead
of blinking:
Check the lamp control circuit of
the  power supply PWB and  the
MCU  PWB.
Clear the trouble  with SIM  14.
H4 00 Content Heat  roller  abnormally low
temperature
Detail When the temperature  does  not
reach  155˚C  within  55  sec  after
turning  on the  power,  or  when it
falls  under  145˚C  during  printing,
or  when it falls  under  100˚C
during  pre-heating.
Cause Thermistor failure
Heater lamp failure
MCU PWB failure
Thermostat failure
Power  supply failure
Interlock  switch failure
Main 
code
Sub
code
Detail  of trouble
H4 00 Check  and
remedy
Check  blinking  of the  heater lamp
with SIM  5-2.
When the lamp  blinks  normally:
Check  the  thermistor and  the
harness.
Check the MCU  PWB  thermistor
input  circuit.
When the lamp  does  not light:
Check  for heater lamp
disconnection or thermostat
disconnection.
Check  the  interlock switch.
Check  the  power supply PWB
and  MCU PWB lamp control
circuit.
Clear the trouble  with SIM  14.
L1 00 Content Mirror  base feed trouble
Detail The mirror  home  position  (MHPS)
does  not turn  off though the feed
operation is  completed  during
mirror initial  operation  after turning
on the  power.
The mirror  home  position  (MHPS)
does  not turn  off  during  shading
operation.
The mirror  home  position  (MHPS)
does  not turn  on  when the mirror
base is  returned for the  specified
time  after  copy feed is  started  and
SPF  scanning  position  shift is
performed.
Cause Mirror  unit  defect
Mirror  home  position  sensor  defect
MCU PWB  defect
Scanner wire disconnection
Check  and
remedy
Check the  scanning  operation  with
SIM  1-1.
L3 00 Content Mirror  base  return trouble
Detail The mirror  home  position  (MHPS)
does  not turn  on though the mirror
base  returning is  completed  during
mirror initial  operation  after turning
on the  power.
The mirror  home  position  does  not
turn  on  when the mirror is
returned to the  home  position
during  shading.
The mirror  home  position  (MHPS)
does  not turn  on  when the mirror
base  returning is  completed for
the  specified time  (about  6  sec)
after  copy  return  start.
Cause Mirror  unit
Mirror  home  position  sensor  defect
MCU PWB  defect
Scanner wire disconnection
Check  and
remedy
Check the  scanning  operation  with
SIM  1-1.
L4 01 Content Main motor lock
Detail The main motor  encoder  pulse is
not  detected for  400msec.
Cause Main motor  defect
Harness disconnection between
the MCU PWB  and the main
motor.
Control  circuit failure
AR-162  TROUBLE  CODE  LIST  –  6Main 
code
Sub
code
Detail  of trouble
L4 01 Check  and
remedy
Check the main motor  operation
with SIM  25-1.
Check the  harness  and the
connector  between the MCU PWB
and the main motor.
10 Content Job  separator motor trouble
Details When the  home is  not  detected
within  2.5  sec  after the job
separator tray  starts to move
upwards.
Cause The job  separator  upper limit
detection  sensor is  defective.
The job  separator motor is
defective.
The job  separator motor  periphery
circuit is  defective.
The  condition  of the MCU PWB
JP5 is  wrong.
Check  and
countermeas
ure
Check the job  separator  operation
by means  of  SIM3-2  and  4.
Check the  harnesses  and
connectors.
Check  whether the  condition  of
the MCU PWB  JP5 is  correct.
L6 10 Content Polygon motor lock
Detail The lock  signal  (the  specified
rotation  speed  signal) is  not
supplied within the  specified time
(about  6  sec)after  starting the
polygon motor  rotation.
Cause LSU  connector  disconnection  or
harness  disconnection in the  LSU.
Check  and
remedy
Check the  operation  of the
polygon motor  with SIM  25-10.
Check the  harness  and the
connector  connection.
LSU  replacement
L8 01 Content Zero  cross  pulse  (FW) trouble
Detail Zero  cross  pulse  width is  shifted
by  55Hz  10%  or more.
Cause MCU PWB  defect
Power  supply  unit  breakdown
Check  and
remedy
Check the  harness  and the
connector.
MCU PWB  replacement
Power  supply  unit  replacement
U2 04 Content EEPROM  serial  communication
error
Detail Error in  communication with
EEPROM
Cause EEPROM failure
Installation of  uninitialized EEPROM
MCU PWB EERPOM  access
circuit failure
Check  and
remedy
Check that the EEPROM is
properly  set.
To  prevent  against loss  of
counter/adjustment  values,  record
the  values  with  simulation.
U2 trouble  cancel  with SIM  16
MCU PWB  replacement
Main 
code
Sub
code
Detail  of trouble
U2 11 Content Counter  check  sum  error
Detail Counter  check  sum  value  stored
in the EEPROM is  abnormal.
Cause EEPROM failure
Control  circuit  hung  up  by  noises
MCU PWB EEPROM  access
circuit  defect
Check  and
remedy
Check that the EEPROM is
properly  set. 
To  prevent  against loss  of
counter/adjustment  values,  record
the  values  with  simulation.
U2 trouble  cancel  with SIM  16
MCU PWB  replacement
12 Content Adjustment  value  check  sum  error
(EEPROM)
Detail Adjustment  value  data  area  check
sum  error
Cause EEPROM failure
Control  circuit  hung  up  by  noises
MCU PWB EEPROM  access
circuit failure
Check  and
remedy
Check that the EEPROM is
properly  set.
To  prevent  against loss  of
counter/adjustment  values,  record
the  values  with  simulation.
U2 trouble  cancel  with SIM  16
MCU PWB  replacement
40 Content CRUM  communication error
Detail Toner  cartridge  CRUM  data  read
error
Cause A toner  cartridge  of  a  different
destination is installed.
EEPROM trouble
Check the  destination  setup.
Toner  cartridge CRUM PWB trouble
MCU PWB trouble
CRUM  connector disconnection
Check  and
remedy
Install  a  specified toner  cartridge.
Check the SIM  26-6  setup.
Replace the EEPROM.
Replace the toner  cartridge.
Replace the MCU PWB.
Check  connection  of the  CRUM
connector.
Execute SIM  16.
U3 29 Content Mirror  base  home  position  error
Detail Home  position is  not  detected
when  starting mirror  base  shift.
Cause Mirror  unit  defect
Mirror  home  position  sensor  defect
MCU PWB  decfect
Scanner wire disconnection
Check  and
remedy
Check the  scanning  operation  with
SIM  1-1.
U9 00 Content Communication trouble  between
MCU  and OPE  (OPE  detection)
Detail Communication  setup  error,
framing,  parity,  protocol  error
AR-162  TROUBLE  CODE  LIST  –  7Main 
code
Sub
code
Detail  of trouble
U9 00 Cause Operation  control PWB  connector
disconnection
Operation  control PWB MCU PWB
harness failure
Check  and
remedy
Check the  connectors  and  harness
of the  operation  control PWB  and
the MCU PWB.
Check  grounding  of the machine.
Check the  ROM  of the  operation
control PWB.
80 Content Operation  control PWB
communication trouble  (Protocol)
Detail Communication trouble  between
MCU  and the  operation  control
PWB  (Protocol error)
Cause Operation  control PWB  connector
disconnection
Operation  control PWB MCU PWB
harness failure
Check  and
remedy
Check the  connectors  and  harness
of the  operation  control PWB  and
the MCU PWB.
Check  grounding  of the machine.
81 Content Operation  control PWB
communication trouble  (Parity)
Detail Communication trouble  between
MCU  and the  operation  control
PWB  (Parity  error)
Cause Operation  control PWB  connector
disconnection
Operation  control PWB MCU PWB
harness failure
Check  and
remedy
Check the  connectors  and  harness
of the  operation  control PWB  and
the MCU PWB.
Check  grounding  of the machine.
82 Content Operation  control PWB
communication trouble  (Overrun)
Detail Communication trouble  between
MCU  and the  operation  control
PWB  (Overrun error)
Cause Operation  control PWB  connector
disconnection
Operation  control PWB MCU PWB
harness failure
Check  and
remedy
Check the  connectors  and  harness
of the  operation  control PWB  and
the MCU PWB.
Check  grounding  of the machine.
84 Content Operation  control PWB
communication trouble  (Framing)
Detail Communication trouble  between
MCU  and the  operation  control
PWB  (Framing error)
Cause Operation  control PWB  connector
disconnection
Operation  control PWB MCU PWB
harness failure
Check  and
remedy
Check the  connectors  and  harness
of the  operation  control PWB  and
the MCU PWB.
Check  grounding  of the machine.
Main 
code
Sub
code
Detail  of trouble
U9 88 Content Operation  control PWB
communication trouble  (Time-out)
Detail Communication trouble  between
MCU  and the  operation PWB
(Time-out error)
Cause Operation  control PWB  connector
disconnection
Operation  control PWB MCU PWB
harness failure
Check  and
remedy
Check the  connectors  and  harness
of the  operation  control PWB  and
the MCU PWB.
Check  grounding  of the machine.
U95 Content Operation  control PWB
communication error
Detail Communication  error  between the
operation  control PWB  and the
MCU PWB  (Detected  by the OPEPWB)
Cause Disconnection or  reverse
connection  of the flat  cable
between the Operation  control
PWB  and the MCU PWB.
Operation  control PWB trouble
MCU PWB trouble
Connector trouble  of the  operation
control PWB  and the MCU PWB
Check  and
remedy
Check insertion  of  or  replace the
flat  cable  between the  operation
control PWB  and the MCU PWB.
Replace the  operation  control PWB.
Replace the MCU PWB.
Check  connection  of the  connector
of the  operation  control PWB  and
the MCU PWB.
U99 Content Operation  control PWB
communication error
Detail Communication  error  between the
operation  control PWB  and the
MCU PWB  (Detected  by the OPEPWB)
Cause Disconnection or  reverse
connection  of the flat  cable
between the Operation  control
PWB  and the MCU PWB.
Operation  control PWB trouble
MCU PWB trouble
Connector trouble  of the  operation
control PWB  and the MCU PWB
Check  and
remedy
Check insertion  of  or  replace the
flat  cable  between the  operation
control PWB  and the MCU PWB.
Replace the  operation  control PWB.
Replace the MCU PWB.
Check  connection  of the  connector
of the  operation  control PWB  and
the MCU PWB.
AR-162  TROUBLE  CODE  LIST  –  8

AR-235/275 TROUBLE CODE LIST - 1
[9] TROUBLE CODE LIST
1. List
Trouble 
code
Trouble contents
Trouble 
Main  detection
code
Sub 
code
E1 00 IMC board communication trouble MCU
10 IMC board trouble
11 IMC ASIC er r or
12 IMC CODEC error
13 IMC board flash ROM error
14 IMC board Work RAM error
15 IMC board Page Memory error
16 IMC board image compression store 
memory error
17 IMC board smoothing IC error
80 IMC PWB communication trouble 
(protocol)
81 IMC PWB communication trouble (Parity)
82 IMC PWB communication trouble 
(Overrun)
84 IMC PWB communication trouble 
(Framing)
88 IMC PWB communication trouble (Timeout)
E7 02 LSU trouble
10 Shading trouble (black correction)
11 Shading trouble (white correction)
12 Shading trouble
F1 00 Finisher communication trouble FIN
01 Finisher jogger shift trouble
06 Finisher shift motor abnormality
08 Finisher staple shift motor trouble
11 Pusher motor tr ouble
15 Finisher elevator motor trouble
F2 02 Toner supply failure
04 Identification error
Model error
Type error
Destination error
Data abnormality
Misc error
F5 02 Copy lamp lighting abnormality
F6 00 F6-**: MCU-FAX communication trouble MCU
10 FAX control PWB trouble
80 FAX control PWB communication trouble 
(Protocol)
81 FAX control PWB communication trouble 
(Parity)
82 FAX control PWB communication trouble 
(Over-run)
84 FAX control PWB communication trouble 
(Framing)
88 FAX control PWB communication trouble 
(Timeout)
99 Machine-FAX board language error
F9 00 F9-**: MCU-PRT communication trouble MCU
10 Printer PWB trouble
80 Printer PWB communication trouble 
(Protocol)
81 Printer PWB communication trouble 
(Parity)
82 Printer PWB communication trouble 
(Overrun)
84 Printer PWB communication trouble 
(Framing)
88 Printer PWB communication trouble 
(Timeout)
99 Machine-PCL board language error
H2 00 Thermistor open detection
H3 00 Heat roller abnormally high temperature
H4 00 Heat roller abnormally low temperature
H5 01 5 continuous T10D(T20D) not-reaching 
JAM
02 Fusing thermistor abnormality
L1 00 Scanner feed trouble
L3 00 Scanner return trouble
L4 01 Main motor lock
11 Shifter motor tr ouble
L6 10 Polygon motor lock trouble
L8 01 Zero cross detection error
U2 04 EEPROM communication error
11 Counter chec k s um er r or
12 Adjustment value check sum error
20 Machine speed code data error
40 CRUM chip communication error
U7 00 RIC communication trouble
U9 00 U9-**: MCU-OPE communication trouble OPE
80 Operation control PWB communication 
trouble (Protocol)
81 Operation control PWB communication 
trouble (Parity)
82 Operation control PWB communication 
trouble (Overrun)
84 Operation control PWB communication 
trouble (Framing)
88 Operation control PWB communication 
trouble (Time-out)
99 Operation panel language error
CE 00 The other communication error has 
occurred.
Network
01 The print server card (AR-NC3D) is not 
installed or defective.
Network
02 The specified mail server or the FTP 
server is not found.
Network
03 The specified server does not 
correspond during image transmission.
Network
04 The entered account name of the FTP 
server or the password is invalid.
Network
05 The entered directory of the FTP server 
is invalid.
Network
EE EL Developer adjustment trouble (Overtoner abnormality)
EU Developer adjustment trouble (Undertoner abnormality)
PF 00 RIC copy inhibit signal received
Trouble 
code
Trouble contents
Trouble 
Main  detection
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 2
2. Self diagnostics
Trouble 
code
Details of trouble
Main 
code
Sub 
code
E1 00 Content E1-**: MCU-IMC communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
10 Content IMC PWB trouble
Details Communication trouble between MCU and 
IMC PWB
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
11 Content IMC boar d ASIC er r or
Details ASIC abnormality on IMC board
Cause IMC board abnormality
Check 
and 
remedy
Replace the IMC PWB.
12 Content IMC board CODEC IC error
Details CODEC IC (JBIG chip) abnormality on 
IMC board
Cause IMC board abnormality
Check 
and 
remedy
Replace the IMC PWB.
Remarks JBIG IC abnormality
13 Content IMC board flash ROM error
Details Flash ROM abnormality on IMC board
Cause IMC board abnormality
Check 
and 
remedy
Replace the IMC PWB.
"When the program download is 
abnormally terminated, a error may occur. 
In this case, download the program again."
Remarks Program ROM abnormality
14 Content IMC board Work RAM error
Details IMC extended compression memory 
module installation error
IMC extended compression memory 
access error
Cause IMC expanded memory module 
installation trouble
IMC expanded memory module trouble
IMC expanded memory contact trouble
IMC board abnormality
Check 
and 
remedy
Check installation of the expanded 
memory module. (Spec: Added to Slot 1.)
Replace the expanded memory module.
Replace the IMC PWB.
Remarks Extend memory abnormality for 
compressed image store (DIMM module)
E1 15 Content IMC board Page Memory error
Details IMC Page Memory abnormality
Cause IMC board abnormality
Check 
and 
remedy
Replace the IMC PWB.
Remarks Print Buffer Memory abnormality
16 Content IMC board compression image store 
memory error
Details IMC standard compression memory 
access error
Cause IMC board abnormality
Check 
and 
remedy
Replace the IMC PWB.
17 Content IMC board smoothing IC error
Details IMC smoothing IC abnormality
Cause IMC board abnormality
Check 
and 
remedy
Replace the IMC PWB.
80 Content IMC PWB communication trouble 
(protocol)
Details Communication trouble between MCU and 
IMC PWB (Protocol error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
81 Content IMC PWB communication trouble (Parity)
Details Communication trouble between MCU and 
printer IMC (Parity error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
82 Content IMC PWB communication trouble 
(Overrun)
Details Communication trouble between MCU and 
IMC PWB (Overrun error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 3
E1 84 Content IMC PWB communication trouble 
(Framing)
Details Communication trouble between MCU and 
IMC PWB (Framing error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
88 Content IMC PWB communication trouble (Timeout)
Details Communication trouble between MCU and 
IMC PWB (Time-out error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check 
and 
remedy
Check the connectors and harness of the 
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
E7 02 Content LSU trouble
Details BD signal from LSU is not detected in a 
constant cycle. (Kept OFF or ON)
Cause LSU connector or LSU inside harness 
trouble or disconnection
Polygon motor rotation abnormality
Laser does not illuminate.
MCU PWB failure
Check 
and 
remedy
Check for disconnection of the LSU 
connector.
Check the LSU operation with SIM 61-1.
Check that the polygon motor rotates 
normally.
Check laser LED lighting.
LSU replacement
Replace the MCU PWB.
10 Content Shading trouble (black correction)
Details CCD black reference plate scan level 
abnormality when the copy lamp turns off.
Cause Flat cable installation failure to CCD unit
CCD unit error
Check 
and 
remedy
Check flat cable installation to the CCD 
unit.
Check CCD unit.
11 Content Shading trouble (white correction)
Details Improper CCD white reference plate 
reading level for copy lamp lighting
Cause Flat cable installation failure to CCD unit
"Dirt on the mirror, lens, and reference 
white plate"
Copy lamp operation error
CCD unit abnormality
MCU PWB abnormality (Occurred in the 
SPF scan position.)
Check 
and 
remedy
"Clean the mirror, the lens, and the 
reference white plate."
Check the copy lamp light quantity and its 
operation. (SIM 5-3)
Check CCD unit.
Check MCU PWB.
Trouble 
code
Details of trouble
Main 
code
Sub 
code
E7 12 Content Shading trouble
Details White correction is not completed in the 
specified number of times.
Cause Flat cable installation failure to CCD unit
"Dirt on the mirror, lens, and reference 
white plate"
Copy lamp lighting trouble
CCD unit abnormality
MCU PWB abnormality
Check 
and 
remedy
"Clean the mirror, the lens, and the 
reference white plate."
Check the copy lamp light quantity and its 
operation. (SIM 5-3)
Check CCD unit.
Check MCU PWB.
F1 00 Content Finisher communication trouble
Details Communication line test error occurs when 
power is turned on or after the exit of a 
simulation mode.
Error in Finisher communication
Cause Connection trouble or disconnection of the 
connector and harness between the body 
and the finisher.
Finisher control PWB trouble
Control PWB failure
Malfunction by noises
Check 
and 
remedy
Turn off/of the power to cancel the trouble.
Check connector/harness of 
communication line
Replace the finisher control PWB.
01 Content Side guide plated home position error
Details The side guide plate cannot return to the 
home position. 
Cause Side guide plate drive motor abnormality
Side guide plate home position sensor 
abnormality
Check 
and 
remedy
Use SIM3-3-1 to check the side guide 
plate motor operation. 
06 Content Offset motor trouble
Details When the offset motor of the finisher is 
driven it does not reach the specified 
position.
Cause Offset motor abnormality
Offset motor origin sensor abnormality
Finisher PWB abnormality
Check 
and 
remedy
Use SIM 3-3-6 to check the offset motor 
operation. 
08 Content Staple motor error
Details The staple motor cannot return to the 
home position. 
Cause Staple motor abnormality
Staple motor home position sensor 
abnormality
Staple unit abnormality
Check 
and 
remedy
Use SIM 3-3-7 to check the staple motor 
operation. 
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 4
F1 11 Content Rear edge plate home position error
Details The rear edge plate cannot return to the 
home position. 
Cause Rear edge plate drive motor abnormality
Side guide plate home position sensor 
abnormality
Finisher PWB abnormality
Check 
and 
remedy
Use SIM 3-3-2 to check the rear edge 
plate motor operation. 
15 Content Finisher lift-up motor trouble
Details The finisher lift-up motor does not reach 
the specified position. 
Cause Lift-up motor abnormality
Lift-up motor upper limit sensor 
abnormality
Finisher PWB abnormality
Check 
and 
remedy
Use SIM 3-3-5 to check the lift-up motor 
operation. 
F2 02 Content Toner supply failure
Details The value judged from the actual toner 
supply hysteresis differs greatly from the 
toner sensor value.
Cause Developing unit trouble
Toner supply abnormality caused by 
installation of unpacked toner cartridge
Check 
and 
remedy
Replace the developing unit
Use SIM 25-1 to perform DV stirring.
04 Content Identification error
Model error
Type error
Destination error
Data abnormality
Misc error
Details Identification error
When the CRUM trademark differs.
When the CRUM company code differs.
Model error
When the boot program model code does 
not match with the CRUM model 
information.
Type error
When the CRUM type is other than 
[Genuine/Conversion/Production rotation].
Destination error
The destination of the body differs from 
that of the CRUM.
Data abnormality
The initial check information includes an 
erroneous value.
When the max. toner supply time is 00:
When the print hard stop is 00:
Cause CRUM chip failure
Erroneous developing unit
Check 
and 
remedy
Replace the CRUM chip.
Replace the developing unit
Trouble 
code
Details of trouble
Main 
code
Sub 
code
F5 02 Content Copy lamp lighting abnormality
Details The copy lamp does not light up.
Cause Copy lamp error
Copy lamp harness abnormality
CCD PWB harness abnormality
Check 
and 
remedy
Check the copy lamp (SIM 5-3)
When the lamp lights:
Check the harnesses and connectors 
between the CCD unit and the MCU PWB.
When the lamp does not light:
Check the harness and connector 
between the copy lamp and the MCU 
PWB.
Replace the copy lamp unit.
Replace the MCU PWB.
Remarks Copy lamp disconnection
Cable is not attached.
F6 00 Content F6-**: MCU-FAX communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
10 Content FAX control PWB trouble
Details Communication trouble between MCU and 
FAX control PWB
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
80 Content FAX control PWB communication trouble 
(Protocol)
Details Communication trouble between MCU and 
FAX control PWB (Protocol error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 5
F6 81 Content FAX control PWB communication trouble 
(Parity)
Details Communication trouble between MCU and 
FAX control PWB (Parity error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
82 Content FAX control PWB communication trouble 
(Over-run)
Details Communication trouble between MCU and 
FAX control PWB (Overrun error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
84 Content FAX control PWB communication trouble 
(Framing)
Details Communication trouble between MCU and 
FAX control PWB (Framing error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
88 Content FAX control PWB communication trouble 
(Timeout)
Details Communication trouble between MCU and 
FAX control PWB (Timeout error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control 
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check 
and 
remedy
Check connector/harness of FAX control 
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
99 Content Machine-FAX board language error
Details The machine language setup does not 
coincide with the FAX board language 
setup.
Cause FAX board correction error
SIM setup error
Check 
and 
remedy
Check the firmware of the FAX board and 
the combination of the panel screen data, 
and download the correct version, if 
necessary. 
Check the machine language information. 
(Machine language setup: SIM 26-22)
Trouble 
code
Details of trouble
Main 
code
Sub 
code
F9 00 Content F9-**: MCU-PRT communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
10 Content Printer PWB trouble
Details Communication trouble between MCU and 
printer PWB
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
80 Content Printer PWB communication trouble 
(Protocol)
Details Communication trouble between MCU and 
printer PWB (Protocol error)
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
81 Content Printer PWB communication trouble 
(Parity)
Details Communication trouble between MCU and 
printer PWB (Parity error)
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 6
F9 82 Content Printer PWB communication trouble 
(Overrun)
Details Communication trouble between MCU and 
printer PWB (Overrun error)
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
84 Content Printer PWB communication trouble 
(Framing)
Details Communication trouble between MCU and 
printer PWB (Framing error)
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
88 Content Printer PWB communication trouble 
(Timeout)
Details Communication trouble between MCU and 
printer PWB (Timeout error)
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB 
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data 
disturbance
Check 
and 
remedy
Check the connectors and harness of the 
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
99 Content Machine-PCL board language error
Details The machine language setup does not 
coincide with the PCL board language 
setup.
Cause PCL board connection error
SIM setup error
Check 
and 
remedy
Check the firmware of the PCL board and 
the combination of the panel screen data, 
and download the correct version, if 
necessary. 
Check the machine language information. 
(Machine language setup: SIM 26-22)
H2 00 Content Thermistor open detection
Details Thermistor open detection
Fusing unit not installed
Cause Thermistor defect
Control PWB failure
Fusing section connector contact failure
Fusing unit not installed
Check 
and 
remedy
Check the harness and the connector of 
the thermistor and the MCU.
Clear the display of self-diagnostics with 
SIM 14.
Remarks Thermistor open
Trouble 
code
Details of trouble
Main 
code
Sub 
code
H3 00 Content Heat roller abnormally high temperature
Details The fusing temperature is over 220°C.
Cause Thermistor defect
Control PWB failure
Fusing section connector contact failure
Check 
and 
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input 
circuit.
If lamp lights and stays lit:
Check the power PWB and the MCU PWB 
lamp control circuit.
Clear the display of self-diagnostics with 
SIM 14.
H4 00 Content Heat roller abnormally low temperature
Details The setup temperature (about 90°C is not 
reached within the specified time (about 
35sec) from turning on the power ON SW. 
(When the temperature falls below 120°C 
in the standby mode.)
Cause Thermistor defect
Heater lamp failure
Thermostat failure
Control PWB failure
Check 
and 
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input 
circuit.
When the lamp does not light:
Check for disconnection of the heater 
lamp and thermostat.
Check the interlock switch.
Check the power PWB and the MCU PWB 
lamp control circuit.
Clear the display of self-diagnostics with 
SIM 14.
H5 01 Content 5 continuous T10D(T20D) not-reaching 
JAM
Details T10D(T20D) not-reaching JAM was 
detected 5 continuous times.
Cause The fusing JAM is not completely 
removed. (Jam paper remains.)
T10D or T20D sensor breakdown or 
harness connection trouble
Fusing unit installation failure
Check 
and 
remedy
Check for jam paper in the fusing section. 
(paper winding, etc.)
Check fusing unit installation
Clear the trouble with SIM 14.
02 Content Fusing thermistor abnormality detect
Details Fusing thermistor temperature transient 
abnormality (Paper winding)
Cause Paper wound around the fusing roller.
Fusing pawl abnormality
Fusing unit installation failure
Check 
and 
remedy
Check for jam paper in the fusing section. 
(paper winding, etc.)
Check installation of the fusing unit. Check 
the fusing pawl.
Clear the trouble with SIM 14.
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 7
L1 00 Content Scanner feed trouble
Details Scanner feed is not completed within the 
specified time.
Cause Mirror unit defect
Scanner wire disconnection
Origin detection sensor error
Mirror motor harness abnormality
Check 
and 
remedy
Check the scanning operation with SIM 1-
1.
Mirror base feed trouble
Check for disconnection of the scanner 
wire.
Check the harness and connector 
between the mirror motor and the MCU 
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor 
with SiM 1-2.
L3 00 Content Scanner return trouble
Details Scanner return is not completed within the 
specified time.
"When OC copying with the mirror at the 
home position, the mirror is not in the 
home position. "
Cause Mirror unit defect
The scanner wire is disconnected.
Origin detection sensor error
Mirror motor harness abnormality
Check 
and 
remedy
Check the scanning operation with SIM 1-
1.
Mirror base return trouble
Check for disconnection of the scanner 
wire.
Check the harness and connector 
between the mirror motor and the MCU 
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor 
with SiM 1-2.
L4 01 Content Main motor lock
Details The main motor does not rotate.
The motor lock signal is detected for 1sec 
or more after the main motor rotates.
The motor lock signal is detected for 1sec 
during rotation of the main motor.
Cause Main motor defect
Main motor connection harness trouble or 
disconnection
MCU PWB failure
Check 
and 
remedy
Check the main motor operation with SIM 
25-1.
Check connection of the main motor 
harness and connector.
Replace the main motor.
Replace the MCU PWB.
Trouble 
code
Details of trouble
Main 
code
Sub 
code
L4 11 Content Shifter motor trouble
Details The shifter home position detection signal 
is not detected when the shifter is 
operating.
Cause Shifter motor trouble or harness 
connection trouble and disconnection
Shifter home position sensor trouble
Check 
and 
remedy
Check the shift motor operation with SIM 
3-11.
Check connection of the shifter motor 
harness/connector.
Replace the shifter motor.
Replace the MCU PWB.
L6 10 Content Polygon motor lock trouble
Details The polygon motor does not rotate.
The motor lock signal is detected for 6sec 
or more after the polygon motor rotates.
The motor lock signal is detected for 1sec 
during rotation of the polygon motor.
Cause Polygon motor unit failure
Polygon motor connection harness trouble 
or disconnection
MCU PWB failure
Check 
and 
remedy
Check the polygon motor operation with 
SIM 61-1.
Check connector/harness of polygon 
motor
Replace the polygon motor.
Replace the MCU PWB.
L8 01 Content Zero cross detection error
Details The zero cross signal is not detected.
Cause Power failure
MCU PWB abnormality
Check 
and 
remedy
Check connection of the harness and 
connector.
Replace the MCU PWB.
Power unit replacement
U2 04 Content EEPROM communication error
Details MCU PWB EEPROM access circuit failure
Cause EEPROM defective
ICU PWB EEPROM access circuit failure
Check 
and 
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
Remarks EEPROM abnormality
11 Content Counter check sum error
Details Counter check sum value stored in the 
EEPROM is abnormal.
Cause EEPROM defective
ICU PWB EEPROM access circuit failure
Check 
and 
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
Remarks Checksum error in counter data area
12 Content Adjustment value check sum error
Details Adjustment value check sum error 
(EEPROM)
Cause EEPROM defective
ICU PWB EEPROM access circuit failure
Check 
and 
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
Remarks Checksum error in adjustment value data 
area
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 8
U2 20 Content Machine speed code data error
Details The machine information is not identical to 
the model code speed information.
Cause EEPROM defective
SIM operation error
Check 
and 
remedy
Check that the machine set with SIM 26-
57 is identical to the model information.
Remarks When the boot program speed code does 
not match with the body model 
information.
40 Content CRUM chip communication error
Details Error in MCU-CRUM chip communication
Cause CRUM chip failure
Developing unit contact trouble
MCU PWB failure
Check 
and 
remedy
Replace the CRUM chip.
Check installation of the developing unit.
Clear the trouble with SIM 16.
Replace the MCU PWB.
Remarks CRUM communication error
U7 00 Content RIC communication trouble
Details Error in communication with RIC
Error in communication test after turning 
on the power or canceling SIM.
Cause Connector harness contact trouble or 
disconnection
RIC control PWB trouble
MCU PWB failure
Malfunction by noises
Check 
and 
remedy
check the communication cable 
connectors from the RIC box to the main 
body.
U9 00 Content U9-**: MCU-OPE communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause Operation control PWB connector 
disconnection
Operation control PWB MCU PWB 
harness failure
Check 
and 
remedy
Check the connectors and harness of the 
operation control PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on the operation control 
PWB.
80 Content Operation control PWB communication 
trouble (Protocol)
Details Communication trouble between MCU and 
the operation control PWB (Protocol error)
Cause Operation control PWB connector 
disconnection
Operation control PWB MCU PWB 
harness failure
Check 
and 
remedy
Check the connectors and harness of the 
operation control PWB and MCU PWB.
Check the grounding of the copier.
Trouble 
code
Details of trouble
Main 
code
Sub 
code
U9 81 Content Operation control PWB communication 
trouble (Parity)
Details Communication trouble between MCU and 
the operation control PWB (Parity error)
Cause Operation control PWB connector 
disconnection
Operation control PWB MCU PWB 
harness failure
Check 
and 
remedy
Check the connectors and harness of the 
operation control PWB and MCU PWB.
Check the grounding of the copier.
82 Content Operation control PWB communication 
trouble (Overrun)
Details Communication trouble between MCU and 
the operation control PWB (Overrun error)
Cause Operation control PWB connector 
disconnection
Operation control PWB MCU PWB 
harness failure
Check 
and 
remedy
Check the connectors and harness of the 
operation control PWB and MCU PWB.
Check the grounding of the copier.
84 Content Operation control PWB communication 
trouble (Framing)
Details Communication trouble between MCU and 
the operation control PWB (Framing error)
Cause Operation control PWB connector 
disconnection
Operation control PWB MCU PWB 
harness failure
Check 
and 
remedy
Check the connectors and harness of the 
operation control PWB and MCU PWB.
Check the grounding of the copier.
88 Content Operation control PWB communication 
trouble (Time-out)
Details Communication trouble between MCU and 
the operation PWB (Time-out error)
Cause Operation control PWB connector 
disconnection
Operation control PWB MCU PWB 
harness failure
Check 
and 
remedy
Check the connectors and harness of the 
operation control PWB and MCU PWB.
Check the grounding of the copier.
99 Content Operation panel destination error
Details An error occurred in checking the 
operation panel and the destination of the 
body.
Cause Erroneous connection the operation panel 
unit
SIM setup error
Check 
and 
remedy
Check the destination information of the 
operation panel unit and the MCU. (Use 
SIM 26-22 for the destination of the body.)
CE 00 Content The other communication error has 
occurred.
Detail Communication error
Cause Network Cable connection failure
Check 
and 
remedy
1) Check that the Network Cable is 
properly inserted.
Trouble 
code
Details of trouble
Main 
code
Sub 
codeAR-235/275 TROUBLE CODE LIST - 9
CE 01 Content The print server card (AR-NC3D) is not 
installed or defective.
Detail NC3D connection failure
Cause NC-3D is not installed to the AR-PB2A 
board.
NC-3D control PWB trouble
Check 
and 
remedy
1) Check that the NC-3D is installed to
the AR-PB2A board.
2) Output the NIC Config. Page to check
the NIC version.
3) Replace the NIC.
02 Content The specified mail server or the FTP 
server is not found.
Detail The specified mail server or the FTP 
server is not found.
Cause Network Cable connection failure
Network setup failure
SMTP server/FTP server/NST trouble
Check 
and 
remedy
1) Check that the Network Cable is 
inserted properly.
2) Check that the connected network 
supports TCP/IP protocol.
3) Check from the Web Page that the 
Primary/Secondary E-mail Server 
Address or the Destination FTP server/
Desktop PC address are properly set.
4) If the above address is described with 
Hostname, check that the DNS server 
is properly set.
5) Check that the SMTP server/FTP 
server/NST causes a trouble or not.
03 Content The specified server does not correspond 
during image transmission.
Detail The specified server does not correspond 
during image transmission.
Cause Network Cable connection failure
SMTP server/FTP server/NST trouble
Check 
and 
remedy
1) Check that the Network Cable is 
inserted properly.
2) Check that the SMTP server/FTP 
server/NST causes a trouble or not.
04 Content The entered account name of the FTP 
server or the password is invalid.
Detail The entered account name of the FTP 
server or the password is invalid.
Cause Network Cable connection failure
The account name of the FTP server 
recorded as the destination or the 
password for the account name is 
erroneous.
Check 
and 
remedy
1) Check that the Network Cable is 
inserted properly.
2) Check that the account name of the 
FTP ser ver recor ded as the destination 
and the password for the account 
name are proper.
Trouble 
code
Details of trouble
Main 
code
Sub 
code
CE 05 Content The entered directory of the FTP server is 
invalid.
Detail The entered directory of the FTP server is 
invalid.
Cause Network Cable connection failure
Check that the directory name exists in the 
FTP server recorded as the destination.
Check 
and 
remedy
1) Check that the Network Cable is 
inserted properly.
2) Check that the directory name exists in 
the FTP server recorded as the 
destination.
EE EL Content Developer adjustment trouble (Over-toner 
abnormality)
Details An abnormality occurred in execution of 
automatic developer adjustment.
Sample data over-toner was detected.
Cause Toner concentration sensor abnormality
Toner concentration trouble
Developing unit trouble
MCU PWB failure
Check 
and 
remedy
Use SIM 25-2 to perform the auto 
developer adjustment.
EU Content Developer adjustment trouble (Undertoner abnormality)
Details An abnormality occurred in execution of 
automatic developer adjustment.
Sample data under-toner was detected.
Cause Toner concentration sensor abnormality
Toner concentration trouble
Developing unit trouble
MCU PWB failure
Check 
and 
remedy
Use SIM 25-2 to perform the auto 
developer adjustment.
PF 00 Content RIC copy inhibit signal received
Details The copy inhibit command from RIC is 
received. 
Cause Judged by the host. 
Check 
and 
remedy
Information the host. 
Trouble 
code
Details of trouble
Main 
code
Sub 
code



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