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Trouble
Contents
codes
U2 12 Adjustment value check sum
error (Controller EEPROM)
90 PCU section EEPROM read/
write error
91 PCU section memory sum
check error
U7 00 PC/MODEM communication
error
PF
-- RIC copy inhibit command
reception
CH
-- Door open (CH ON)
00 No developer cartridge
01 No toner cartridge
--
-- Auditor not ready
PC
-- Personal counter not installed
2.Details of trouble codes
MAIN SUB
C1
00
Content
MC trouble
Detail
Main charger output abnormality
(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.
Check and
Use the diag mode or DIAG to check the
remedy
main charger output.
Check for disconnection of the main charger.
Replace the high voltage unit.
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
Check and
Check for disconnection of the LSU
remedy
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.
Remark
Trouble
MAIN SUB
detection
Controller
PCU
PCU
Controller
Controller
PCU
PCU
PCU
Controller
Controller
AR-P350 TROUBLE CODES-2
E7
03
Content
HDD trouble
Detail
HDD does not operate properly in the
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
Check and
Check installation of HDD to the Controller
remedy
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.
06
Content
Decode error trouble
Detail
A decode error occurs during making of an
image.
Cause
Data error during input from PCI to PM.
PM trouble
Data error during image compression/
transfer.
Controller PWB abnormality
Check and
Check insertion of the PWB. (PCI bus)
remedy
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.
50
Content
LSU connection trouble
Detail
An LSU which does not conform to the
machine is installed.
Cause
PCU PWB trouble
LSU trouble
Check and
Check LSU PWB. Check PCU PWB.
remedy
Check connection of the connector and the
harness between PCU and LSU.
F1
00
Content
Finisher communication trouble
Detail
Communication cable test error after turning
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
Check and
Canceled by turning OFF/ON the power.
remedy
Check connectors and harness in the
communication line.
Replace the finisher control PWB or PCU
PWB.
08
Content
Finisher staple shift motor trouble
Detail
Staple motor drive trouble
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Check and
Use DIAG (SIM3-3) to check operations of
remedy
the staple motor.
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