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Sharp MX-M356N Service Manual page 168

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E7-94
Image file data process error
(when importing file data)
Trouble content
File image process error (backup restore error) when
importing filing data
Detail
MFP
Cause
Image data process abnormality
HDD trouble
Image compression data corruption
MFPC PWB trouble
DIMM memory trouble or contact error
Check & Remedy
Use SIM60-01 to check the read/write operations of
the memory.
Replace the HDD.
Replace the MFPC PWB.
Replace or check installation of the DIMM memory.
E7-96
MFPC PWB DIMM memory check error
Trouble content
MFPC PWB DIMM memory access trouble
Detail
MFP
Cause
Memory data corruption occurs
MFPC PWB trouble
DIMM memory trouble or contact error
Check & Remedy
Use SIM60-01 to check the read/write operations of
the memory.
Replace the MFPC PWB.
DIMM memory socket check
Replace the DIMM memory.
EE-EL
Auto developer adjustment trouble
(Over-toner abnormality)
Trouble content
An abnormality occurred in execution of automatic
developer adjustment.
Detail
PCU
Cause
Toner density sensor trouble, charging voltage/
developing voltage error, toner concentration trouble,
developing unit trouble, PCU PWB trouble.
Check & Remedy
Use SIM25-2 to perform the auto developer
adjustment.
EE-EU
Auto developer adjustment trouble
(Under-toner abnormality)
Trouble content
An abnormality occurred in execution of automatic
developer adjustment.
Detail
PCU
Cause
Toner density sensor trouble, charging voltage/
developing voltage error, toner concentration trouble,
developing unit trouble, PCU PWB trouble.
Check & Remedy
Use SIM25-2 to perform the auto developer
adjustment.
F1-00
Finisher - PCU PWB communication
error
Trouble content
Detail
PCU
Cause
Connection trouble of the connector and the harness
between the finisher and the PCU PWB.
Finisher control PWB trouble.
PCU PWB trouble.
Check & Remedy
Check the connector and the harness between the
finisher and the PCU PWB.
Replace the finisher control PWB.
Replace the PCU PWB.
F1-03
Trouble content
Check & Remedy
F1-10
Trouble content
Check & Remedy
F1-15
Trouble content
Check & Remedy
F1-19
Trouble content
Check & Remedy
MX-M316N TROUBLESHOOTING 7 – 10
Finisher paper exit roller lifting
operation trouble
Detail
PCU
Cause
Finisher paper exit roller lift motor trouble
Harness and connector connection trouble
Home position sensor trouble
Finisher control PWB trouble
Use SIM3-3 to check the operation of the paper exit
roller lift motor.
Use SIM3-2 to check the operation of the home
position sensor.
Replace the paper exit roller lift motor.
Check connection of the connector and the harness.
Replace the home position sensor.
Replace the finisher control PWB.
Staple operation trouble
Detail
PCU
Cause
Staple motor trouble.
Finisher control PWB trouble.
Home position sensor trouble.
Use SIM3-3 to check the operation of the staple
motor.
Use SIM3-2 to check the operation of the home
position sensor.
Replace the staple motor.
Check connection of the connector and the harness.
Replace the home position sensor.
Replace the finisher control PWB.
Finisher paper exit tray lift operation
trouble
Lift motor trouble.
Detail
PCU
Cause
Paper exit tray lift motor trouble.
Finisher control PWB trouble.
Home position sensor trouble.
Use SIM3-3 to check the operation of the paper exit
tray lift motor.
Use SIM3-2 to check the operation of the home
position sensor.
Replace the finisher control PWB.
Replace the paper exit tray lift motor.
Replace the home position sensor.
Finisher alignment operation trouble F
Detail
PCU
Cause
Finisher paper alignment motor lock.
Motor speed abnormality.
Over-current to the motor.
Finisher control PWB trouble.
Home position sensor trouble.
Use SIM3-3 to check the operation of the paper
alignment motor F.
Use SIM3-2 to check the operation of the home
position sensor.
Replace the finisher control PWB.
Replace the paper alignment motor F.
Replace the home position sensor.

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