Ricoh D065 Service Manual page 465

Service Call Conditions
Transfer output abnormal release detection
D
When the transfer is output, there is hardly any feedback voltage within 60
ms even with application of 24% PWM.
402
Transfer power pack defective
- Transfer unit harness disconnected
Transfer connector loose, defective
Quenching lamp error
At the completion of auto
process control initialization, the
430 C
potential of the drum surface
detected by the potential sensor
is more than
-400V, the prescribed value.
Main motor lock
The main motor lock signal
440 D
remains low for 2 seconds while
the main motor is on.
Development motor lock
The development motor lock
signal remains high for 2
seconds while the development
441 D
motor is on.
If this SC is returned on a machine in the field, inspect the toner supply unit
coil. If the gear is not damaged replace the coil. If the gear is damaged, the
gear shaft is probably deformed, so replace the entire unit.
D062/D063/D065/D066
Quenching lamp defective
Quenching lamp harness
disconnected
Quenching lamp connector loose,
defective
Drive mechanism overloaded
Motor driver board defective
Drive mechanism overloaded due to
toner clumping in the wasted toner
path
Motor driver board defective
3-20 SM Appendix