AR-5520 TROUBLE CODE LIST 9-4
L6 10 Content Polygon motor lock detection
Detail The polygon motor does not rotate
After shifting the polygon motor, the motor lock
signal is detected for 20sec or more.
During rotation of the polygon motor, the motor
lock signal is detected for 1sec.
Cause Polygon motor unit abnormality
Improper connection or disconnection of the
polygon motor and the harness.
MCU PWB abnormality
Check
and
remedy
Use SIM 61-3 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.
12 Content Adjustment value check sum error (EEPROM)
Detail Check sum error of the adjustment value 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.
40 Content CRUM chip communication error
Detail An error occurs during communication
between the MCU and the CRUM chip.
The CRUM identification error occurs.
Cause CRUM chip abnormality
Developing unit disconnection
MCU PWB abnormality
Check
and
remedy
Replace the toner cartridge.
Check installation of the developing unit.
Use SIM16 to cancel.
Replace the MCU PWB.
-- Content Auditor NOT READY
Detail
Cause
Check
and
remedy
CH
ON
None
Content Side door open
Detail The side door is open.
Cause Side door sensor abnormality
MCU PWB abnormality
Check
and
remedy
Check that all the side doors are closed.
Replace the MCU PWB.
Main
code
Sub
code
Details of trouble
CH
Blink
None
Content Developing cartridge not installed
Detail The developing cartridge is not installed.
Communication with the CRUM cannot be
made in initial check of the CRUM.
Cause Developing unit disconnection
MCU PWB abnormality
CRUM chip abnormality
Check
and
remedy
Check installation of the developing unit.
Replace the MCU PWB.
Main
code
Sub
code
Details of trouble
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