Read Sharp MX-M950 / MX-MM1100 (serv.man39) Service Manual online
MX-M1100 SELF DIAG AND TROUBLE CODE 8 – 12
E7-62
Controller connection trouble
(scanner)
(scanner)
E7-63
Controller connection trouble
(Operation)
(Operation)
E7-65
PWB information sum error
(controller detection)
(controller detection)
E7-70
Scanner connection trouble
E7-71
DSPF connection trouble
E7-75
PWB information sum error
(scanner detection)
(scanner detection)
E7-80
Communication trouble between the
ICU and the scanner (ICU detection)
ICU and the scanner (ICU detection)
E7-90
Communication trouble between the
ICU and the PCU. (ICU detection)
ICU and the PCU. (ICU detection)
EE-EL
Auto development adjustment trouble
(Overtone abnormality)
<Detected only when Sim. 25-2,
no trouble memory, only display>
(Overtone abnormality)
<Detected only when Sim. 25-2,
no trouble memory, only display>
EE-EU
Auto development adjustment trouble
(Undertone abnormality)
<Detected only when Sim. 25-2,
no trouble memory, only display)
(Undertone abnormality)
<Detected only when Sim. 25-2,
no trouble memory, only display)
Detail
Controller connection trouble.
Compatibility trouble between the controller and the
scanner.
Compatibility trouble between the controller and the
scanner.
Section
ICU
Cause
Combination error between the controller PWB and the
engine.
engine.
Check &
Remedy
Remedy
Check combination between the controller PWB and the
scanner.
scanner.
Detail
Controller connection trouble.
Compatible trouble between the controller and the
operation.
Compatible trouble between the controller and the
operation.
Section
ICU
Cause
Combination error between the controller PWB and the
operation.
operation.
Check &
Remedy
Remedy
Check the controller PWB.
Check combination between the controller PWB and the
operation.
Check combination between the controller PWB and the
operation.
Detail
EEPROM PWB information sum error
Section
ICU
Cause
EEPROM device trouble.
EEPROM device contact trouble.
Device access error due to noises.
EEPROM device contact trouble.
Device access error due to noises.
Check &
Remedy
Remedy
Replace the PWB.
Detail
Unknown PWB identification information is detected on
the SCU PWB
the SCU PWB
Section
SCU
Cause
The PWB / firmware which is not supported by the
machine specifications is connected.
machine specifications is connected.
Check &
Remedy
Remedy
Check the firmware kind and the version.
Check the SCU PWB.
Check the SCU PWB.
Detail
An unknown PWB identification information is detected
in the DSPF PWB/ combination abnormality with the
SCU PWB
in the DSPF PWB/ combination abnormality with the
SCU PWB
Section
SCU
Cause
PWB / firmware which does not support the machine
specifications is connected.
specifications is connected.
Check &
Remedy
Remedy
Firmware kind / Version check.
DSPF PWB trouble.
DSPF PWB trouble.
Detail
EEPROM PWB information sum error
Section
SCU
Cause
EEPROM device trouble.
EEPROM device contact trouble.
Device access error due to noises.
EEPROM device contact trouble.
Device access error due to noises.
Check &
Remedy
Remedy
Replace the SCU PWB.
Detail
Communication establishment error, framing error,
parity error, protocol error
parity error, protocol error
Section
ICU
Cause
Slave unit PWB connector connection trouble.
Slave unit PWB and ICU PWB harness trouble.
Slave unit PWB mother board connector pin breakage.
Slave unit PWB and ICU PWB harness trouble.
Slave unit PWB mother board connector pin breakage.
Check &
Remedy
Remedy
Check connection of the connector and the harness
between the slave unit PWB and the ICU PWB.
Check grounding of the machine.
between the slave unit PWB and the ICU PWB.
Check grounding of the machine.
Detail
Communication establishment error, framing error,
parity error, protocol error
parity error, protocol error
Section
ICU
Cause
Slave unit PWB connector connection trouble.
Slave unit PWB and ICU PWB harness trouble.
Slave unit PWB mother board connector pin breakage.
Slave unit PWB and ICU PWB harness trouble.
Slave unit PWB mother board connector pin breakage.
Check &
Remedy
Remedy
Check connection of the connector and the harness
between the slave unit PWB and the ICU PWB.
Check grounding of the machine.
between the slave unit PWB and the ICU PWB.
Check grounding of the machine.
Detail
The sample level is 76 or less or the control voltage is
208 or above
208 or above
Section
PCU
Cause
Toner density sensor trouble, charging voltage /
developing voltage trouble, toner density trouble,
developing unit trouble, PCU PWB trouble.
Check &
Remedy
Remedy
Execute the auto development adjustment with
Sim. 25-2.
Sim. 25-2.
Detail
The sample level is 178 or above or the control voltage
is 51 or less
is 51 or less
Section
PCU
Cause
Toner density sensor trouble, charging voltage /
developing voltage trouble, toner density trouble,
developing unit trouble, PCU PWB trouble.
Check &
Remedy
Remedy
Execute the auto development adjustment with
Sim. 25-2.
Sim. 25-2.
Click on the first or last page to see other MX-M950 / MX-MM1100 (serv.man39) service manuals if exist.