AR-M236/M276/M237/M277 TROUBLE CODE LIST 9 - 10
U9 81 Content Operation control PWB communication
trouble (Parity)
Details Communication trouble between MCU and
the operation control PWB (Parity error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy
Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
82 Content Operation control PWB communication
trouble (Overrun)
Details Communication trouble between MCU and
the operation control PWB (Overrun error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy
Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
U9
84 Content Operation control PWB communication
trouble (Framing)
Details Communication trouble between MCU and
the operation control PWB (Framing error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy
Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
88 Content Operation control PWB communication
trouble (Time-out)
Details Communication trouble between MCU and
the operation PWB (Time-out error)
Cause Operation control PWB connector
disconnection
Operation control PWB MCU PWB
harness failure
Check
and
remedy
Check the connectors and harness of the
operation control PWB and MCU PWB.
Check the grounding of the copier.
99 Content Operation panel destination error
Details An error occurred in checking the
destination of the operation panel and the
main body.
Cause Erroneous connection the operation panel
unit
SIM setup error
Check
and
remedy
Check the destination information of the
operation panel unit and the MCU. (Use
SIM 26-6 for the destination of the body.)
Trouble
code
Details of trouble
Main
code
Sub
code
EE EL Content Developer adjustment trouble (Over-toned
abnormality)
Details An abnormality occurred in execution of
automatic developer adjustment.
Sample data was detected over-toner.
Cause Toner concentration sensor abnormality
Toner concentration trouble
Developing unit trouble
MCU PWB failure
Check
and
remedy
Use SIM 25-2 to perform the auto
developer adjustment.
EU Content Developer adjustment trouble (Under-
toned abnormality)
Details An abnormality occurred in execution of
automatic developer adjustment.
Sample data was detected under-toner.
Cause Toner concentration sensor abnormality
Toner concentration trouble
Developing unit trouble
MCU PWB failure
Check
and
remedy
Use SIM 25-2 to perform the auto
developer adjustment.
PF 00 Content RIC communication error
Details The copy inhibit command from RIC is
received.
Cause Judged by the host.
Check
and
remedy
Inform to the host.
Trouble
code
Details of trouble
Main
code
Sub
code
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