Self Diagnostics - Sharp AR-M236 Service Manual

2. Self diagnostics

Trouble
code
Main Sub
code code
A0 01 Content Security incompatibility error
Details When the PCL or the FAX board is
installed, it does not match with
compatible/incompatible setup of the MCU
board security.
Cause The security compatibility/incompatibility of
the installed PCL or FAX board does not
match with that of the MCU board.
Check Cheek the security compatibility/
and incompatibility of each board. Match the
remedy security compatibility/incompatibility of the
boards.
E1 00 Content MCU-IMC communication trouble
Details Communication establishment error/
framing/parity/protocol error
Cause IMC PWB connector disconnection
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check Check the connectors of the IMC PWB
and and MCU PWB.
remedy Check the grounding of the copier.
Check the ROM of the IMC PWB.
10 Content IMC PWB trouble
Details Communication trouble between MCU and
IMC PWB
Cause IMC PWB connector disconnection
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check Check the connectors of the IMC PWB
and and MCU PWB.
remedy Check the grounding of the copier.
Check the ROM of the IMC PWB.
11 Content IMC board ASIC error
Details ASIC abnormality on IMC board
Cause IMC board abnormality
Check Replace the IMC PWB.
and
remedy
12 Content IMC board CODEC IC error
Details CODEC IC (JBIG chip) abnormality on
IMC board
Cause IMC board abnormality
Check Replace the IMC PWB.
and
remedy
Remarks JBIG IC abnormality
13 Content IMC board flash ROM error
Details Flash ROM abnormality on IMC board
Cause IMC board abnormality
Check Replace the IMC PWB.
and "When the program download is
remedy abnormally terminated, a error may occur.
In this case, download the program again."
Remarks Program ROM abnormality
Details of trouble
AR-M236/M276/M237/M277 TROUBLE CODE LIST 9 - 2
Trouble
code
Main Sub
code code
E1 14 Content IMC board expanded memory module
(DIMM) error
Details IMC extended compression memory
module installation error
IMC extended compression memory
access error
Cause IMC expanded memory module
installation trouble
IMC expanded memory module trouble
IMC expanded memory contact trouble
IMC board abnormality
Check Check installation of the expanded
and memory module. (Spec: Added to Slot 1.)
remedy Replace the expanded memory module.
Replace the IMC PWB.
Remarks Extend memory abnormality for
compressed image store (DIMM module)
15 Content IMC board Page Memory error/SRAM
error
Details IMC Page Memory Work SRAM
abnormality
Cause IMC board abnormality
Check Replace the IMC PWB.
and
remedy
Remarks Print Buffer Page Memory or Work SRAM
abnormality
16 Content IMC board compression image store
memory error
Details Access error of IMC standard compression
memory
Cause IMC board abnormality
Check Replace the IMC PWB.
and
remedy
17 Content IMC board smoothing IC error
Details IMC smoothing IC abnormality
Cause IMC board abnormality
Check Replace the IMC PWB.
and
remedy
80 Content IMC PWB communication trouble
(protocol)
Details Communication trouble between MCU and
IMC PWB (Protocol error)
Cause IMC PWB connector disconnection
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check Check the connectors of the IMC PWB
and and MCU PWB.
remedy Check the grounding of the copier.
Check the ROM of the IMC PWB.
81 Content IMC PWB communication trouble (Parity)
Details Communication trouble between MCU and
printer IMC (Parity error)
Cause IMC PWB connector disconnection
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check Check the connectors of the IMC PWB
and and MCU PWB.
remedy Check the grounding of the copier.
Check the ROM of the IMC PWB.
Details of trouble