AR-M256/M257/M258/M316/M317/M318/5625/5631  TROUBLE CODE LIST 9 - 7
F6 82 Content FAX control PWB communication trouble 
(Overrun)
Details Communication trouble between MCU and 
FAX control PWB (Overrun error)
Cause FAX control PWB connector 
disconnection.
Harness trouble between FAX control 
PWB and MCU PWB.
Motherboard connector pin breakage.
FAX control PWB ROM defect/Data failure.
Check 
and 
remedy
Check the connectors and the 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.
Harness trouble between FAX control 
PWB and MCU PWB.
Motherboard connector pin breakage.
FAX control PWB ROM defect/Data failure.
Check 
and 
remedy
Check the connectors and the harness of 
FAX control PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
88 Content FAX control PWB communication trouble 
(Time-out)
Details Communication trouble between MCU and 
FAX control PWB (Time-out error)
Cause FAX control PWB connector 
disconnection.
Harness trouble between FAX control 
PWB and MCU PWB.
Motherboard connector pin breakage.
FAX control PWB ROM defect/Data failure.
Check 
and 
remedy
Check the connectors and the harness of 
FAX control PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
95 Content Incompatibility error of AR-F14N and FAX 
control PWB
Details FAX control PWB incompatible with AR-
F14N and AR-F14N was installed to the 
copier
Cause FAX control PWB is incompatible
Check 
and 
remedy
Install the FAX control PWB compatible 
with AR-F14N
99 Content FAX control PWB destination error
Details The machine destination setup does not 
coincide with the FAX control PWB 
destination setup.
Cause The machine destination setup (Sim 26-6) 
does not coincide with the FAX control 
PWB 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).
Trouble 
code
Details of trouble
Main 
code
Sub 
code
F9 00 Content Printer PWB communication 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 defect/Data failure.
Check 
and 
remedy
Check the connectors and the 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 Printer PWB abnormality
Cause Printer PWB defect
Check 
and 
remedy
Replace the 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 defect/Data failure.
Check 
and 
remedy
Check the connectors and the harness of 
the printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
81 Content Printer PWB communication trouble 
(Parity)
Details Communication trouble between MCU and 
printer PWB (Parity error)
Cause Printer PWB connector disconnection.
Harness trouble between the printer PWB 
and the MCU PWB.
Motherboard connector pin breakage.
Printer PWB ROM defect/Data failure.
Check 
and 
remedy
Check the connectors and the harness of 
the printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
82 Content Printer PWB communication trouble 
(Overrun)
Details Communication trouble between MCU and 
printer PWB (Overrun error)
Cause Printer PWB connector disconnection.
Harness trouble between the printer PWB 
and the MCU PWB.
Motherboard connector pin breakage.
Printer PWB ROM defect/Data failure.
Check 
and 
remedy
Check the connectors and the 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