MX-C250 TROUBLESHOOTING 7 – 9
F2-50
K drum phase sensor trouble
F2-51
CL drum phase sensor trouble
F2-58
Process humidity sensor trouble
F2-64
Toner supply operation trouble (BK)
F2-65
Toner supply operation trouble (C)
F2-66
Toner supply operation trouble (M)
F2-67
Toner supply operation trouble (Y)
F2-70
Improper toner cartridge detection
(BK)
F2-71
Improper toner cartridge detection
(C)
F2-72
Improper toner cartridge detection
(M)
Cause
Drum phase sensor trouble.
Harness and connector connection trouble.
Drum drive section trouble.
MFPC PWB trouble
Check & Remedy
Use SIM30-1 to check the operation of "DHPD_K.".
Replace the drum phase sensor.
Check connection of the connectors and the
harness.
Repair the drum drive section.
Replace the MFPC PWB.
Cause
Drum phase sensor trouble. (DHPCL)
Harness and connector connection trouble.
Drum drive section trouble.
MFPC PWB trouble.
Check & Remedy
Use SIM30-1 to check the operation of
"DHPD_CL".
Replace the drum phase sensor.
Check connection of the connectors and the
harness.
Repair the drum drive section.
Replace the MFPC PWB.
Cause
Process humidity sensor trouble.
Harness and connector connection trouble.
PMFPC PWB trouble.
Check & Remedy
Replace the process humidity sensor.
Check connection of the connectors and the
harness.
Replace the MFPC PWB.
Cause
Toner motor trouble.
Toner drive clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
MFPC PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy
Replace the toner motor.
Replace the toner drive clutch.
Replace the toner density sensor.
Connector/harness trouble.
Replace the MFPC PWB.
Replace the toner cartridge.
Replace the developing unit.
Cause
Toner motor trouble.
Toner drive clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
MFPC PWB trouble
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy
Replace the toner motor.
Replace the toner drive clutch.
Replace the toner density sensor.
Connector/harness trouble.
Replace the MFPC PWB.
Replace the toner cartridge.
Replace the developing unit.
Cause
Toner motor trouble.
Toner drive clutch trouble.
Toner density sensor trouble.
Connector/harness trouble.
MFPC PWB trouble
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy
Replace the toner motor.
Replace the toner drive clutch.
Replace the toner density sensor.
Connector/harness trouble.
Replace the MFPC PWB.
Replace the toner cartridge.
Replace the developing unit.
Cause
Toner motor trouble.
Toner drive clutch trouble.
Replace the toner drive clutch.
Toner density sensor trouble.
Connector/harness trouble.
MFPC PWB trouble
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy
Replace the toner motor.
Replace the toner density sensor.
Connector/harness trouble.
Replace the MFPC PWB.
Replace the toner cartridge.
Replace the developing unit.
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
MFPC PWB trouble
Check & Remedy
Replace the toner cartridge.
Replace the MFPC PWB.
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
MFPC PWB trouble.
Check & Remedy
Replace the toner cartridge.
Replace the MFPC PWB.
Cause
An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
MFPC PWB trouble.
Check & Remedy
Replace the toner cartridge.
Replace the MFPC PWB.