Ricoh D065 Service Manual page 487

Service Call Conditions
Finisher tray 1 (upper tray lift) motor error
The upper tray paper height
sensor does not change its status
with the specified time after the
750 B
tray raises or lowers. The 1st
detection failure issues a jam
error, and the 2nd failure issues
this SC code.
Return roller motor error
753 B
Occurs during the operation of
the lower tray pressure motor.
Shift Motor Error: 3K Finisher (B830)
The shift tray half-turn sensors:
755 D
Failed twice to detect the shift tray at the home position at the specified time.
-or-
Failed twice to detect that the shift tray had left the home position.
If the motor is operating
1. Half-turn sensor 1, 2 harnesses loose, broken, defective
2. One of the half-turn sensors is defective
If the motor is not operating:
1. Motor blocked by an obstruction
2. Motor harness loose, broken, defective
3. Motor defective
4. Finisher main board defective
D062/D063/D065/D066
Tray lift motor disconnected,
defective
Upper tray paper height sensor
disconnected, defective
Finisher main board connection to
motor loose
Finisher main board defective
Motor harness disconnected, loose,
defective
Motor overloaded
Home position sensor harness
disconnected, loose, defective
Home position defective
3-42 SM Appendix