Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man15) Service Manual online
MX-4101N SELF DIAG AND TROUBLE CODE 7 – 11
E7-80
MFP-SCU PWB communication error
E7-90
MFP - PCU PWB communication error
EE-EC
Automatic toner density adjustment
error (Sampling level 76 - 117/
139 - 178)
error (Sampling level 76 - 117/
139 - 178)
EE-EL
Automatic toner density adjustment
error (Overtoner)
error (Overtoner)
EE-EU
Automatic toner density adjustment
error (Undertoner)
error (Undertoner)
F1-00
Finisher - PCU PWB communication
error
error
F1-03
Finisher paper exit roller lifting opera-
tion trouble
tion trouble
F1-08
Stapler shift trouble
Trouble content
Detail
MFP
Cause
SCU PWB connector connection trouble.
SCU PWB - MFP PWB connection trouble.
SCU PWB mother board connection trouble.
SCU PWB trouble.
MFP PWB trouble.
Replace the mother board.
SCU PWB - MFP PWB connection trouble.
SCU PWB mother board connection trouble.
SCU PWB trouble.
MFP PWB trouble.
Replace the mother board.
Check & Remedy
Check connection of the SCU PWB, the MFP PWB,
and the mother board.
Check the earth line.
Replace the SCU PWB.
Replace the MFP PWB.
Replace the mother board.
and the mother board.
Check the earth line.
Replace the SCU PWB.
Replace the MFP PWB.
Replace the mother board.
Trouble content
Detail
MFP
Cause
PCU PWB connector connection trouble.
PCU PWB - MFP PWB connection trouble.
PCU PWB motherboard connection trouble.
PCU PWB trouble.
MFP PWB trouble.
Replace the mother board.
PCU PWB - MFP PWB connection trouble.
PCU PWB motherboard connection trouble.
PCU PWB trouble.
MFP PWB trouble.
Replace the mother board.
Check & Remedy
Check connection of the PCU PWB, the MFP PWB,
and the mother board.
Check the earth line.
Replace the PCU PWB.
Replace the MFP PWB.
Replace the mother board.
and the mother board.
Check the earth line.
Replace the PCU PWB.
Replace the MFP PWB.
Replace the mother board.
Trouble content
The sampling level in the automatic toner density
adjustment is outside of 128
adjustment is outside of 128
±10.
Detail
PCU
Cause
Toner density sensor trouble.
Developing unit trouble.
PCU PWB trouble.
Developing unit trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner density sensor.
Replace the developing unit.
Replace the PCU PWB.
Replace the developing unit.
Replace the PCU PWB.
Trouble content
The sampling level in the automatic toner density
adjustment is 76 or less or the control voltage is 208
or above.
adjustment is 76 or less or the control voltage is 208
or above.
Detail
PCU
Cause
Toner density sensor trouble.
Charging voltage/ developing voltage trouble, toner
density trouble, or developing unit trouble.
PCU PWB trouble.
Charging voltage/ developing voltage trouble, toner
density trouble, or developing unit trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner density sensor.
Replace the developing unit.
Replace the PCU PWB.
Replace the developing unit.
Replace the PCU PWB.
Trouble content
The sampling level in the automatic toner density
adjustment is 178 or above or the control voltage is
51 or less.
adjustment is 178 or above or the control voltage is
51 or less.
Detail
PCU
Cause
Toner density sensor trouble.
Charging voltage/ developing voltage trouble, toner
density trouble, or developing unit trouble.
PCU PWB trouble.
Charging voltage/ developing voltage trouble, toner
density trouble, or developing unit trouble.
PCU PWB trouble.
Check & Remedy
Replace the toner density sensor.
Replace the developing unit.
Replace the PCU PWB.
Replace the developing unit.
Replace the PCU PWB.
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.
Strong external noises.
between the finisher and the PCU PWB.
Finisher control PWB trouble.
PCU PWB trouble.
Strong external noises.
Check & Remedy
Check the connector and the harness between the
finisher and the PCU PWB.
Replace the finisher control PWB.
Replace the PCU PWB.
finisher and the PCU PWB.
Replace the finisher control PWB.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
Finisher paper exit roller lift motor trouble.
Harness and connector connection trouble.
Home position sensor trouble.
Finisher control PWB trouble.
Harness and connector connection trouble.
Home position sensor trouble.
Finisher control PWB trouble.
Check & Remedy
Use SIM3-3 to check the operation of the paper exit
roller lift motor.
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.
roller lift motor.
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.
Trouble content
Detail
PCU
Cause
Stapler shift motor trouble.
Finisher control PWB trouble.
Home position sensor trouble.
Finisher control PWB trouble.
Home position sensor trouble.
Check & Remedy
Use SIM3-3 to check the operation of the stapler shift
motor.
Replace the stapler shift motor.
Check connection of the connector and the harness.
Replace the home position sensor.
Replace the finisher control PWB.
motor.
Replace the stapler shift motor.
Check connection of the connector and the harness.
Replace the home position sensor.
Replace the finisher control PWB.
Click on the first or last page to see other MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man15) service manuals if exist.