Sharp AR-M35 / AR-M450 (serv.man12) Service Manual ▷ View online
AR-M350 TROUBLE CODES 11-1
[11] TROUBLE CODES
1.Trouble codes list
Trouble
codes
Contents
Remark
Trouble
detection
C1
00 MC trouble
PCU
E6
10 CIS shading trouble
(Black correction)
When the
scanner is
installed
scanner is
installed
SCANNER
11 CIS shading trouble
(White correction)
When the
scanner is
installed
scanner is
installed
SCANNER
14 CIS-ASIC communication
trouble
When the
scanner is
installed
scanner is
installed
SCANNER
E7
02 Laser trouble
PCU
03 HDD trouble
With HDD
installed
installed
Controller
06 Decode error trouble
Controller
10 Shading trouble
(Black correction)
When the
scanner is
installed
scanner is
installed
SCANNER
11 Shading trouble
(White correction)
When the
scanner is
installed
scanner is
installed
SCANNER
14 CCD-ASIC communication
trouble
When the
scanner is
installed
scanner is
installed
SCANNER
50 LSU connection trouble
PCU
80 SCANNER PWB
communication trouble
When the
scanner is
installed
scanner is
installed
ICU
90 PCU communication trouble
When the
scanner is
installed
scanner is
installed
ICU
F1
00 Finisher communication trouble With Finisher
installed
PCU
08 Finisher staple shift motor
trouble
With Finisher
installed
installed
PCU
10 Finisher stapler motor trouble
With Finisher
installed
installed
PCU
11 Finisher bundle exit motor
trouble
With Finisher
installed
installed
PCU
15 Finisher lift motor trouble
With Finisher
installed
installed
PCU
19 Finisher alignment motor
trouble FRONT
With Finisher
installed
installed
PCU
20 Finisher alignment motor
trouble
With Finisher
installed
installed
PCU
80 Finisher 24V power supply
trouble
With Finisher
installed
installed
PCU
87 Finisher staple rotation motor
trouble
With Finisher
installed
installed
F1
00 Mail bin stacker communication
trouble
With Mail bin
stacker installed
stacker installed
PCU
02 mail bin stacker main drive
motor trouble
With Mail bin
stacker installed
stacker installed
PCU
12 Mail bin stacker gate trouble
With Mail bin
stacker installed
stacker installed
PCU
80 Mail bin stacker 24V power
supply trouble
With Mail bin
stacker installed
stacker installed
PCU
F1
03 Console finisher paddle motor
trouble
With Console
Finisher
installed
Finisher
installed
PCU
06 Console finisher slide motor
trouble
With Console
Finisher
installed
Finisher
installed
PCU
10 Console finisher stapler motor
trouble
With Console
Finisher
installed
Finisher
installed
PCU
11 Console finisher bundle exit
motor trouble
With Console
Finisher
installed
Finisher
installed
PCU
15 Console finisher lift motor
trouble
With Console
Finisher
installed
Finisher
installed
PCU
19 Console finisher alignment
motor trouble FRONT
With Console
Finisher
installed
Finisher
installed
PCU
20 Console finisher alignment
motor trouble
With Console
Finisher
installed
Finisher
installed
PCU
30 Console finisher
communication trouble
With Console
Finisher
installed
Finisher
installed
PCU
31 Console finisher fold sensor
trouble
With Console
Finisher
installed
Finisher
installed
PCU
32 Console finisher punch unit
communication trouble
With Console
Finisher
installed
Finisher
installed
PCU
33 Console finisher punch side
register motor trouble
With Console
Finisher
installed
Finisher
installed
PCU
34 Console finisher punch motor
trouble
With Console
Finisher
installed
Finisher
installed
PCU
35 Console finisher punch side
register sensor trouble
With Console
Finisher
installed
Finisher
installed
PCU
36 Console finisher punch timing
sensor trouble
With Console
Finisher
installed
Finisher
installed
PCU
37 Console finisher backup RAM
trouble
With Console
Finisher
installed
Finisher
installed
PCU
38 Console finisher punch backup
RAM trouble
With Console
Finisher
installed
Finisher
installed
PCU
81 Console finisher transport
motor trouble
With Console
Finisher
installed
Finisher
installed
PCU
F2
00 Toner concentration sensor
open
PCU
02 Toner supply abnormality
PCU
04 Improper cartridge
(Destination error, life cycle
error)
error)
PCU
05 CRUM error
PCU
39 Process thermistor breakdown
PCU
F3
12 Tray 1 lift-p trouble
PCU
22 Tray 2 lift-up trouble
(Multi-purpose tray)
Multi-purpose
tray
tray
PCU
Trouble
codes
Contents
Remark
Trouble
detection
!"#
AR-M350 TROUBLE CODES 11-2
2. Details of trouble codes
F6
00 FAX board communication
trouble
When the Fax
board is
installed
board is
installed
ICU
01 FAX expansion Flash Rom
abnormality
When the Fax
board is
installed
board is
installed
ICU
04 FAX MODEM operation
abnormality
When the Fax
board is
installed
board is
installed
FAX
F7
01 FAX board EEPROM
read/write error
When the Fax
board is
installed
board is
installed
FAX
H2
00 Thermistor open (HL1)
PCU
01 Thermistor open (HL2)
PCU
H3
00 Heat roller high temperature
detection (HL1)
PCU
01 Heat roller high temperature
detection (HL2)
PCU
H4
00 Heat roller low temperature
detection (HL1)
PCU
01 Heat roller low temperature
detection (HL2)
PCU
H5
01 5-time continuous POD1
not-reaching JAM detection
PCU
L1
00 Scanner feed trouble
When the
scanner is
installed
scanner is
installed
SCANNER
L3
00 Scanner return trouble
When the
scanner is
installed
scanner is
installed
SCANNER
L4
01 main motor lock detection
PCU
02 Drum motor lock detection
PCU
L6
10 Polygon motor lock detection
PCU
L8
01 No full-wave signal
PCU
02 Full-wave signal width
abnormality
PCU
U6
00 Desk/LCC communication
trouble
With Paper feed
desk installed
desk installed
PCU
01 Desk/LCC1CS lift-up trouble
(Multi-purpose tray)
With Paper feed
desk installed
desk installed
PCU
02 Desk2 CS lift-up trouble/LCC1
lift-up trouble
With Paper feed
desk installed
desk installed
PCU
03 Desk3 CS lift-up trouble/LCC2
lift-up trouble
With Paper feed
desk installed
desk installed
PCU
10 Desk/LCC transport motor
trouble
With Paper feed
desk installed
desk installed
PCU
EE EL Auto developer adjustment
trouble (Over-toner)
Only during
DIAG
DIAG
PCU
EU Auto developer adjustment
trouble (Under-toner)
Only during
DIAG
DIAG
PCU
F9
02 Centro port check error
Controller
03 NIC port check error
Controller
U1
01 FAX Battery abnormality
With FAX board
installed
installed
Controller
02 RTC read abnormality
(common with FAX,
on ICU PWB)
on ICU PWB)
When the Fax
board is
installed
board is
installed
ICU
Trouble
codes
Contents
Remark
Trouble
detection
U2
00 EEPROM read/write error
(Controller)
Controller
11 Counter check sum error
(Controller EEPROM)
Controller
12 Adjustment value check sum
error (Controller EEPROM)
Controller
80 Scanner section EEPROM
read/write error
When the
scanner is
installed
scanner is
installed
SCANNER
81 Scanner section memory sum
check error
When the
scanner is
installed
scanner is
installed
SCANNER
90 PCU section EEPROM read/
write error
PCU
91 PCU section memory sum
check error
PCU
U7
00 PC/MODEM communication
error
Controller
PF
--
RIC copy inhibit command
reception
reception
Controller
CH
--
Door open (CH ON)
PCU
00 No developer cartridge
PCU
01 No toner cartridge
PCU
--
--
Auditor not ready
Controller
PC
--
Personal counter not installed
Controller
MAIN
SUB
C1
00
Content
MC trouble
Detail
Main charger output abnormality
(Output open)
Trouble signal is outputted from the high
voltage transformer.
(Output open)
Trouble signal is outputted from the high
voltage transformer.
Cause
The main charger is not installed properly.
The main charger is not assembled properly.
Disconnection of connector of high voltage
transformer.
High voltage harness disconnection or
breakage.
The main charger is not assembled properly.
Disconnection of connector of high voltage
transformer.
High voltage harness disconnection or
breakage.
Check and
remedy
remedy
Use the diag mode or DIAG to check the
main charger output.
Check for disconnection of the main charger.
Replace the high voltage unit.
main charger output.
Check for disconnection of the main charger.
Replace the high voltage unit.
E6
10
Content
CIS shading trouble (Black correction)
Details
The CIS black scan level is abnormal when
the lamp is off.
the lamp is off.
Cause
Abnormal harness installation to CIS unit
CIS unit abnormality
Scanner PWB abnormality
CIS unit abnormality
Scanner PWB abnormality
Check &
Remedy
Remedy
Check CIS unit harness.
Check CIS unit.
Check scanner PWB.
Check CIS unit.
Check scanner PWB.
Trouble
codes
Contents
Remark
Trouble
detection
$ !"#
AR-M350 TROUBLE CODES 11-3
E6
11
Content
CSI shading trouble (White correction)
Details
The CIS white reference plate scan level is
abnormal when the lamp is on.
abnormal when the lamp is on.
Cause
Abnormal harness installation to CIS unit
Dirt on the white reference plate.
CIS lighting error
CIS unit installation trouble
CIS unit abnormality
Scanner PWB abnormality
Dirt on the white reference plate.
CIS lighting error
CIS unit installation trouble
CIS unit abnormality
Scanner PWB abnormality
Check &
Remedy
Remedy
Clean the white reference plate.
Check CIS light quantity (SIM 5-3) and
lighting.
Check CIS unit harness.
Check scanner PWB.
Check CIS light quantity (SIM 5-3) and
lighting.
Check CIS unit harness.
Check scanner PWB.
14
Content
CIS communication trouble
Details
Communication trouble (clock sync) between
scanner PWB and CIS-ASIC
scanner PWB and CIS-ASIC
Cause
Abnormal harness installation to CIS unit
CIS unit abnormality
Scanner PWB abnormality
CIS unit abnormality
Scanner PWB abnormality
Check &
Remedy
Remedy
Check CIS unit harness.
Check CIS unit.
Check scanner PWB.
Check CIS unit.
Check scanner PWB.
E7
02
Content
Laser trouble
Detail
BD signal from LSU is kept OFF, or ON.
Cause
The connector of LSU or the harness in LSU
is disconnected or broken.
The polygon motor does not rotate normally.
The laser home position sensor in LSU is
shifted.
The proper voltage is not supplied to the
power line for laser.
Laser emitting diode trouble
PCU PWB trouble
Controller PWB trouble
is disconnected or broken.
The polygon motor does not rotate normally.
The laser home position sensor in LSU is
shifted.
The proper voltage is not supplied to the
power line for laser.
Laser emitting diode trouble
PCU PWB trouble
Controller PWB trouble
Check and
remedy
remedy
Check for disconnection of the LSU
connector.
Use DIAG (SIM 61-1) to check LSU
operation.
Check that the polygon motor rotates
normally or not.
Check light emission of laser emitting diode.
Replace the LSU unit.
Replace the PCU PWB.
Replace the Controller PWB.
connector.
Use DIAG (SIM 61-1) to check LSU
operation.
Check that the polygon motor rotates
normally or not.
Check light emission of laser emitting diode.
Replace the LSU unit.
Replace the PCU PWB.
Replace the Controller PWB.
03
Content
HDD trouble
Detail
HDD does not operate properly in the
machine with HDD installed.
machine with HDD installed.
Cause
HDD is not installed properly to the Controller
PWB.
HDD does not operate properly in the
Controller PWB.
Controller PWB trouble
PWB.
HDD does not operate properly in the
Controller PWB.
Controller PWB trouble
Check and
remedy
remedy
Check installation of HDD to the Controller
PWB.
Check connection of the harness of HDD to
the Controller PWB.
Use DIAG (SIM 62-2, -3) to check read/write
of HDD.
Replace HDD.
Replace Controller PWB.
PWB.
Check connection of the harness of HDD to
the Controller PWB.
Use DIAG (SIM 62-2, -3) to check read/write
of HDD.
Replace HDD.
Replace Controller PWB.
MAIN
SUB
E7
06
Content
Decode error trouble
Detail
A decode error occurs during making of an
image.
image.
Cause
Data error during input from PCI to PM.
PM trouble
Data error during image compression/
transfer.
Controller PWB abnormality
PM trouble
Data error during image compression/
transfer.
Controller PWB abnormality
Check and
remedy
remedy
Check insertion of the PWB. (PCI bus)
If the error occurred in a FAX job, check
installation of the FAX PWB.
For the other cases, check the Controller
PWB.
Replace the Controller PWB.
If the error occurred in a FAX job, check
installation of the FAX PWB.
For the other cases, check the Controller
PWB.
Replace the Controller PWB.
10
Content
Shading trouble (Black correction)
Details
CCD black scan level abnormality when the
copy lamp is off.
copy lamp is off.
Cause
Abnormal installation of flat cable to CCD
unit.
CCD unit abnormality
Scanner PWB abnormality
unit.
CCD unit abnormality
Scanner PWB abnormality
Check &
Remedy
Remedy
Check installation of CCD unit flat cable.
Check CCD unit.
Check scanner PWB.
Check CCD unit.
Check scanner PWB.
11
Content
Shading trouble (White correction)
Details
CCD white reference plate scan level
abnormality when the copy lamp is ON.
abnormality when the copy lamp is ON.
Cause
Abnormal installation of flat cable to CCD
unit.
Dirt on mirror, lens, white reference plate
Copy lamp lighting abnormality
Abnormal installation of CCD unit
CCD unit abnormality
Scanner PWB abnormality
unit.
Dirt on mirror, lens, white reference plate
Copy lamp lighting abnormality
Abnormal installation of CCD unit
CCD unit abnormality
Scanner PWB abnormality
Check &
Remedy
Remedy
Clean mirror, lens, and white reference plate.
Check copy lamp light quantity (SIM 5-3) and
lighting.
Check CCD unit.
Check scanner PWB.
Check copy lamp light quantity (SIM 5-3) and
lighting.
Check CCD unit.
Check scanner PWB.
14
Content
CCD communication trouble
Details
Communication trouble (clock sync) between
scanner PWB and CCD-ASIC
scanner PWB and CCD-ASIC
Cause
Abnormal installation of harness to CCD unit
CCD unit abnormality
Scanner PWB abnormality
CCD unit abnormality
Scanner PWB abnormality
Check &
Remedy
Remedy
Check CCD unit harness.
Check CCD unit.
Check scanner PWB.
Check CCD unit.
Check scanner PWB.
50
Content
LSU connection trouble
Detail
An LSU which does not conform to the
machine is installed.
machine is installed.
Cause
PCU PWB trouble
LSU trouble
LSU trouble
Check and
remedy
remedy
Check LSU PWB. Check PCU PWB.
Check connection of the connector and the
harness between PCU and LSU.
Check connection of the connector and the
harness between PCU and LSU.
MAIN
SUB
% !"#
AR-M350 TROUBLE CODES 11-4
E7
80
Content
Communication trouble (ICU detection)
between ICU and scanner
between ICU and scanner
Details
Communication establishment error/Fleming/
Parity/Protocol error
Parity/Protocol error
Cause
Defective connection of slave unit PWB
connector
Defective harness between slave unit PWB
and Controller PWB
Slave unit PWB mother board connector pin
breakage
connector
Defective harness between slave unit PWB
and Controller PWB
Slave unit PWB mother board connector pin
breakage
Check &
Remedy
Remedy
Check connector and harness of slave unit
PWB and Controller PWB.
Check grounding of machine.
PWB and Controller PWB.
Check grounding of machine.
90
Content
PCU communication trouble
Details
Communication establishment error/Fleming/
Parity/Protocol error
Parity/Protocol error
Cause
Defective connection of slave unit PWB
connector
Defective harness between slave unit PWB
and Controller PWB
Slave unit PWB mother board connector pin
breakage
connector
Defective harness between slave unit PWB
and Controller PWB
Slave unit PWB mother board connector pin
breakage
Check &
Remedy
Remedy
Check connector and harness of slave unit
PWB and Controller PWB.
Check grounding of machine.
PWB and Controller PWB.
Check grounding of machine.
F1
00
Content
Finisher (AR-FN6) communication trouble
Detail
Communication cable test error after turning
on the power or exiting from DIAG.
Communication error with the finisher
on the power or exiting from DIAG.
Communication error with the finisher
Cause
Improper connection or disconnection of
connectors and harness between the
machine and the finisher.
Finisher control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises
connectors and harness between the
machine and the finisher.
Finisher control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises
Check and
remedy
remedy
Canceled by turning OFF/ON the power.
Check connectors and harness in the
communication line.
Replace the finisher control PWB or PCU
PWB.
Check connectors and harness in the
communication line.
Replace the finisher control PWB or PCU
PWB.
08
Content
Finisher (AR-FN6) staple shift motor trouble
Detail
Staple motor drive trouble
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Check and
remedy
remedy
Use DIAG (SIM3-3) to check operations of
the staple motor.
the staple motor.
10
Content
Finisher (AR-FN6) stapler motor trouble
Detail
Stapler motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use DIAG (SIM3-3) to check the motor
operation.
operation.
11
Content
Finisher (AR-FN6) bundle exit motor trouble
Detail
Bundle exit motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use DIAG (SIM3-3) to check the motor
operation.
operation.
MAIN
SUB
F1
15
Content
Finisher (AR-FN6) lift motor trouble
Detail
Lift motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
19
Content
Finisher (AR-FN6) front alignment motor
trouble
trouble
Detail
Front alignment motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use DIAG (SIM3-3) to check the motor
operation.
operation.
20
Content
Finisher (AR-FN6) rear alignment motor
trouble
trouble
Detail
Rear alignment motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use DIAG (SIM3-3) to check the motor
operation.
operation.
80
Content
Finisher (AR-FN6) power abnormality
Detail
The 24V power is not supplied to the finisher
PWB.
PWB.
Cause
Improper connection or disconnection of
connector and harness
Finisher control PWB trouble
Power unit trouble
connector and harness
Finisher control PWB trouble
Power unit trouble
Check and
remedy
remedy
Use DIAG (SIM3-2) to check the sensor.
87
Content
Finisher (AR-FN6) staple rotation motor
trouble
trouble
Detail
Front staple rotation motor trouble
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Check and
remedy
remedy
Use DIAG (SIM3-3) to check the motor
operation.
operation.
F1
00
Content
Mail-bin stacker (AR-MS1)
communication trouble
communication trouble
Detail
Communication cable test error after turning
on the power or exiting from DIAG.
Communication error with the Mail-bin
stacker.
on the power or exiting from DIAG.
Communication error with the Mail-bin
stacker.
Cause
Improper connection or disconnection of
connector and harness between the machine
and the Mail-bin stacker.
Mail-bin stacker control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises
connector and harness between the machine
and the Mail-bin stacker.
Mail-bin stacker control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises
Check and
remedy
remedy
Canceled by turning OFF/ON the power.
Check harness and connector in the
communication line.
Replace the Mail-bin stacker PWB or PCU
PWB.
Check harness and connector in the
communication line.
Replace the Mail-bin stacker PWB or PCU
PWB.
MAIN
SUB
!"#$%
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