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