MX-M200D TROUBLE CODE LIST 9-5
L6 10 Content Polygon motor lock detection.
Detail The polygon motor does not rotate.
The motor lock signal is detected for 6sec after
rotation of the polygon motor. The motor lock
signal is detected for 1sec during rotation of
the polygon motor.
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.
L8 01 Content No full wave signal.
Detail The zero cross signal is not detected.
Cause Power unit abnormality.
MCU PWB abnormality.
Check
and
remedy
Check connection of the harness and
connectors.
Replace the MCU PWB.
Replace the power unit.
U1 03 Content FAX board battery error.
Detail FAX board backup battery error.
Cause The voltage of the backup battery of SRAM
which is installed to the FAX board falls below a
certain level.
Check
and
remedy
Replace the battery.
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.
40 Content CRUM chip communication error.
Detail An error occurs during communication
between the MCU and the CRUM chip.
Cause CRUM chip abnormality.
Developing unit disconnection.
MCU PWB abnormality.
Check
and
remedy
Replace the chip.
Check installation of the developing unit.
Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
Main
code
Sub
code
Details of trouble
U9 00 Content Panel board communication trouble.
Detail Communication trouble with the panel board.
Cause No command can be sent from the MCU to the
panel.
Check
and
remedy
MCU PWB - Panel PWB harness trouble.
Replace the panel or the MCU PWB.
Machine reset (Power OFF/ON).
80 Content Panel board communication trouble (Protocol).
Detail An error occurs in communication between
MCU -Panel PWB.
Cause MCU PWB - Panel PWB harness trouble/
Garbled data.
Check
and
remedy
MCU PWB - Panel PWB harness trouble.
Replace the panel or the MCU PWB.
Machine reset (Power OFF/ON).
81 Content Panel board communication trouble (Parity).
Detail A parity error occurs in communication
between the MCU and the Panel PWB.
Cause MCU PWB - Panel PWB harness trouble/
Garbled data.
Check
and
remedy
MCU PWB - Panel PWB harness trouble.
Replace the panel or the MCU PWB.
Machine reset (Power OFF/ON).
82 Content Panel board communication trouble (Overrun).
Detail An overrun error occurs in communication
between the MCU and the panel board.
Cause MCU PWB - Panel PWB harness trouble/
Garbled data.
Check
and
remedy
MCU PWB - Panel PWB harness trouble.
Replace the panel or the MCU PWB.
Machine reset (Power OFF/ON).
84 Content Panel board communication trouble (Framing).
Detail A framing error occurs in communication
between the MCU and the Panel PWB.
Cause MCU PWB - Panel PWB harness trouble/
Garbled data.
Check
and
remedy
MCU PWB - Panel PWB harness trouble.
Replace the panel or the MCU PWB.
Machine reset (Power OFF/ON).
88 Content Panel board communication trouble (Time out).
Detail A time-out error occurs in communication
between the MCU and the Panel PWB.
Cause A command is completely sent from the MCU
to the panel.
Check
and
remedy
MCU PWB - Panel PWB harness trouble.
Replace the panel or the MCU PWB.
Machine reset (Power OFF/ON).
99 Content Panel language error.
Detail Language discrepancy error.
Cause Discrepancy between the machine language
and the panel language.
Check
and
remedy
Replace the panel or the MCU PWB.
Reset the machine. (Power OFF/ON).
Main
code
Sub
code
Details of trouble
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