No.
Definition
Symptom Possible Cause
392 B
TD sensor initial setting error
TD sensor initial setting is not
performed correctly.
ID sensor defective
No developer
Drum does not turn
Development roller does not turn
Poor connection of the PCU
The voltage is not applied to charge roller
401 B
Transfer roller leak error 1
A current leak signal for the transfer
roller is detected.
A current feedback signal for the
transfer roller is not detected.
High voltage supply board defective
Poor connection of the PCU
Transfer/separation unit set incorrectly
Transfer roller damaged
402 B
Transfer roller leak error 2
A current leak signal for the transfer
roller is detected.
A current feedback signal for the
transfer roller is not detected.
High voltage supply board defective
Poor connection of the PCU
Transfer/separation unit set incorrectly
Transfer roller damaged
500 B
Main motor lock
A main motor lock signal is not
detected for more than 7
consecutive checks (700 ms) after
the main motor starts to rotate, or
the lock signal is not detected for
more than 7 consecutive checks
during
rotation
after the last signal.
Too much load on the drive mechanism
Main motor defective
541 A
Fusing thermistor open (center)
The fusing temperature detected by
the thermistor
is below 71°C and is
not corrected after the main power
switch is turned on.
Fusing thermistor defective or out of position
Power supply board defective
Loose connectors
Service Call Conditions
23
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