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