
MX3114N TROUBLESHOOTING 7 – 16
F2-45
Color image density sensor trouble
F2-49
LSU thermistor trouble
F2-50
K drum phase sensor trouble
F2-51
CL drum phase sensor trouble
F2-58
Temperature/humidity sensor trouble
(HUD_M/TH_M)
F2-64
Toner supply operation trouble (K)
F2-65
Toner supply operation trouble (C)
F2-66
Toner supply operation trouble (M)
Trouble content
Detail
PCU
Cause
Color image density sensor sensitivity adjustment
trouble.
Color image density sensor trouble.
Sensor harness and connector connection trouble.
Image density sensor dirt.
Transfer unit lift operation trouble
PCU PWB trouble.
Check & Remedy
Replace the color image density sensor.
Check connection of the sensor harness and the
connector.
Clean the image density sensor.
Repair the transfer unit lift mechanism.
Replace the PCU PWB.
Use SIM44-2 to perform the sensitivity adjustment of
the process control sensor.
Trouble content
Detail
PCU
Cause
The LSU temperature is outside of -28
C - 78
C.
LSU thermistor trouble.
LSU thermistor harness and connector connection
trouble
PCU PWB trouble.
LSU control PWB trouble.
Check & Remedy
Replace the PCU PWB.
Replace the LSU control PWB.
Replace the LSU.
Trouble content
Detail
PCU
Cause
Drum phase sensor trouble.
Drum phase sensor harness and connector
connection trouble
Drum drive section trouble.
PCU PWB trouble.
Check & Remedy
Use SIM30-1 to check the operation of "DHPD_K".
Replace the drum phase sensor.
Check connection of the drum phase sensor harness
and the connector.
Repair the drum drive section.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
Drum phase sensor trouble.
Drum phase sensor 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 drum phase sensor harness
and the connector.
Repair the drum drive section.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
Temperature/humidity sensor trouble.
Process humidity sensor harness and connector
connection trouble
PCU PWB trouble.
Check & Remedy
Replace the temperature/humidity sensor.
Check connection of the temperature/humidity sensor
harness and the connector.
Replace the PCU PWB.
Trouble content
Detail
PCU
Cause
Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Check & Remedy
Replace the toner motor.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.
Trouble content
Detail
PCU
Cause
Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Check & Remedy
Replace the toner motor.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.
Trouble content
Detail
PCU
Cause
Toner motor trouble.
Toner density sensor trouble.
Connector/harness trouble.
PCU PWB trouble.
Toner cartridge trouble.
Developing unit trouble.
Toner transport pipe section trouble
Check & Remedy
Replace the toner motor.
Replace the toner density sensor.
Connector and harness check.
Replace the PCU PWB.
Replace the toner cartridge.
Replace the developing unit.
Check the toner transport pipe section.
Содержание MX-2314N
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