Read Sharp AR-275 (serv.man10) Service Manual online
AR-235/275 TROUBLE CODE LIST - 2
2. Self diagnostics
Trouble
code
Details of trouble
Main
code
code
Sub
code
E1
00
Content
E1-**: MCU-IMC communication trouble
Details
Communication establishment error/
framing/parity/protocol error
framing/parity/protocol error
Cause
IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy
and
remedy
Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
IMC PWB and MCU PWB.
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
IMC PWB
Cause
IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy
and
remedy
Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
IMC PWB and MCU PWB.
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
and
remedy
and
remedy
Replace the IMC PWB.
12
Content
IMC board CODEC IC error
Details
CODEC IC (JBIG chip) abnormality on
IMC board
IMC board
Cause
IMC board abnormality
Check
and
remedy
and
remedy
Replace the IMC PWB.
Remarks
JBIG IC abnormality
13
Content
IMC board flash ROM error
Details
Flash ROM abnormality on IMC board
Cause
IMC board abnormality
Check
and
remedy
and
remedy
Replace the IMC PWB.
"When the program download is
abnormally terminated, a error may occur.
In this case, download the program again."
"When the program download is
abnormally terminated, a error may occur.
In this case, download the program again."
Remarks
Program ROM abnormality
14
Content
IMC board Work RAM error
Details
IMC extended compression memory
module installation error
IMC extended compression memory
access error
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
installation trouble
IMC expanded memory module trouble
IMC expanded memory contact trouble
IMC board abnormality
Check
and
remedy
and
remedy
Check installation of the expanded
memory module. (Spec: Added to Slot 1.)
Replace the expanded memory module.
Replace the IMC PWB.
memory module. (Spec: Added to Slot 1.)
Replace the expanded memory module.
Replace the IMC PWB.
Remarks
Extend memory abnormality for
compressed image store (DIMM module)
compressed image store (DIMM module)
E1
15
Content
IMC board Page Memory error
Details
IMC Page Memory abnormality
Cause
IMC board abnormality
Check
and
remedy
and
remedy
Replace the IMC PWB.
Remarks
Print Buffer Memory abnormality
16
Content
IMC board compression image store
memory error
memory error
Details
IMC standard compression memory
access error
access error
Cause
IMC board abnormality
Check
and
remedy
and
remedy
Replace the IMC PWB.
17
Content
IMC board smoothing IC error
Details
IMC smoothing IC abnormality
Cause
IMC board abnormality
Check
and
remedy
and
remedy
Replace the IMC PWB.
80
Content
IMC PWB communication trouble
(protocol)
(protocol)
Details
Communication trouble between MCU and
IMC PWB (Protocol error)
IMC PWB (Protocol error)
Cause
IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy
and
remedy
Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
IMC PWB and MCU PWB.
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)
printer IMC (Parity error)
Cause
IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy
and
remedy
Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
82
Content
IMC PWB communication trouble
(Overrun)
(Overrun)
Details
Communication trouble between MCU and
IMC PWB (Overrun error)
IMC PWB (Overrun error)
Cause
IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy
and
remedy
Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
Trouble
code
Details of trouble
Main
code
code
Sub
code
Click on the first or last page to see other AR-275 (serv.man10) service manuals if exist.