Sharp MX-4100N Service Manual page 302

: Oct. 24 2008
1
F2-53 CL drum phase sensor trouble
(YELLOW) (50-sheet machine)
Trouble content
Detail PCU
1
Cause Drum phase sensor trouble.
Harness and connector connection trouble.
Drum drive section trouble.
PCU 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 PCU PWB.
F2-58 Process humidity sensor trouble
Trouble content
Detail PCU
Cause Process humidity sensor trouble.
Harness and connector connection trouble.
PCU PWB trouble.
Check & Remedy Replace the process humidity sensor.
Check connection of the connectors and the
harness.
Replace the PCU PWB.
F2-64 Toner supply operation trouble (BK)
Trouble content
Detail PCU
Cause Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy Replace the toner motor.
Replace the toner density sensor.
Connector/harness trouble.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
F2-65 Toner supply operation trouble (C)
Trouble content
Detail PCU
Cause Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy Replace the toner motor.
Replace the toner density sensor.
Connector/harness trouble.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
MX-5001N SELF DIAG AND TROUBLE CODE 7 – 16
F2-66 Toner supply operation trouble (M)
Trouble content
Detail PCU
Cause Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy Replace the toner motor.
Replace the toner density sensor.
Connector/harness trouble.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
F2-67 Toner supply operation trouble (Y)
Trouble content
Detail PCU
Cause Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble
Toner cartridge trouble.
Developing unit trouble.
Check & Remedy Replace the toner motor.
Replace the toner density sensor.
Connector/harness trouble.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
F2-70 Improper toner cartridge detection
(BLACK)
Trouble content
Detail PCU
Cause An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
PCU PWB trouble
Check & Remedy Replace the toner cartridge.
Replace the PCU PWB.
F2-71 Improper toner cartridge detection
(CYAN)
Trouble content
Detail PCU
Cause An improper toner cartridge is inserted. (The main
unit detects a toner cartridge of a different
specification.)
Toner cartridge trouble.
PCU PWB trouble.
Check & Remedy Replace the toner cartridge.
Replace the PCU PWB.