Ricoh D065 Service Manual page 497

Service Call Conditions
Z-fold timing unit fold timing sensor adjustment error
The A/D
(Digital/Analog) input
value did not change
784 B
even after the D/A
(Digital/Analog)
output value
changed.
Z-fold leading edge sensor adjustment error
The A/D input value did not
785 B
change even after the D/A output
value changed.
Z-fold EEPROM error
786 B
The write operation to the Z-folding EEPROM
failed after 2 attempts
Z-fold top tray exit motor error
789
The motor driver detects an
error.
D062/D063/D065/D066
Sensor defective
Motor or motor drive board defective
Fold timing sensor connector loose, broken,
defective
Fold timing sensor defective
Fold timing sensor, mylar covered with paper dust
Mylar disconnected.
Leading edge sensor connector
loose, broken, defective
Leading edge sensor defective
Leading edge sensor, mylar covered
with paper dust
Mylar disconnected.
Motor overcurrent
Motor driver overheat
3-52
EEPROM defective
SM Appendix