Ricoh K-C3 Service Manual page 129

B245/B276/B277/B268/B269 Service Manual
No.
Definition
392 B
401 B
402 B
500 B
Symptom
A development bias leak
signal is detected.
TD sensor initial setting error
TD sensor initial setting is
not performed correctly.
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.
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.
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
Possible Cause
Poor connection of the PCU
High voltage supply board defective
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
High voltage supply board defective
Poor connection of the PCU
Transfer/separation unit set
incorrectly
Transfer roller damaged
High voltage supply board defective
Poor connection of the PCU
Transfer/separation unit set
incorrectly
Transfer roller damaged
Too much load on the drive
mechanism
Main motor defective
18-Jan-06
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