AR-M236/M276/M237/M277 TROUBLE CODE LIST 9 - 5
F6 10 Content FAX control PWB trouble
Details Communication trouble between MCU and
FAX control PWB
Cause FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
IC on FAX PWB causes abnormality
Check
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
Replace the FAX PWB.
80 Content FAX control PWB communication trouble
(Protocol)
Details Communication trouble between MCU and
FAX control PWB (Protocol error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
81 Content FAX control PWB communication trouble
(Parity)
Details Communication trouble between MCU and
FAX control PWB (Parity error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
82 Content FAX control PWB communication trouble
(Over-run)
Details Communication trouble between MCU and
FAX control PWB (Overrun error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
84 Content FAX control PWB communication trouble
(Framing)
Details Communication trouble between MCU and
FAX control PWB (Framing error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
Trouble
code
Details of trouble
Main
code
Sub
code
F6 88 Content FAX control PWB communication trouble
(Timeout)
Details Communication trouble between MCU and
FAX control PWB (Timeout error)
Cause FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
99 Content FAX control PWB destination error
Details The machine destination setup does not
coincide with the FAX board destination
setup.
Cause The machine destination setup (Sim 26-6)
does not coincide with the FAX board
setup
Check
and
remedy
Check the variety of FAX LIU PWB.
Check the machine destination setup (Sim
22-6) and FAX country code (Soft SW
table).
F9 00 Content MCU-PRT communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
10 Content Printer PWB trouble
Details Communication trouble between MCU and
printer PWB
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
80 Content Printer PWB communication trouble
(Protocol)
Details Communication trouble between MCU and
printer PWB (Protocol error)
Cause Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
Trouble
code
Details of trouble
Main
code
Sub
code
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