Ricoh B079 - Page 209

Trouble-
shooting
SERVICE CALL CONDITIONS
SM 4-11 B079/B082
Code No. Symptom Possible Cause
BICU control data transfer abnormal 641 D
A sampling of the control data sent from
the BICU reveals an abnormality.
Controller board defective
External noise
BICU board defective
Engine response error 670 B
After powering on the machine, a
response is not received from the
engine within the specified time.
BICU installed incorrectly
BICU defective
Controller board defective
Controller-to-operation panel
communication error at startup
672 B
After powering on the machine, the
communication circuit between the
controller and the operation panel is not
opened, or communication with
controller is interrupted after a normal
startup.
Controller stall
Controller board installed incorrectly
Controller board defective
Operation panel connector loose or
defective
GAVD block I
2
C bus error 690 A
An error is detected in the GAVD
communication I
2
C control register of
the GABIC2.
I
2
C bus on BICU defective
GAVD FCI block I
2
C bus error 691 A
An error is detected in the FCI
communication I
2
C control register of
the GABIC2.
I
2
C bus on BICU defective
CDIC GAVD block I
2
C bus error 692 A
An error is detected in the CDIC
communication I
2
C control register of
the GABIC2.
I
2
C bus on BICU defective
ARDF original pick-up malfunction 700 B
After the pick-up motor is turned on, the
original stopper HP sensor is not
detected.
Original stopper HP sensor (output
abnormal)
Pick-up motor defective (not rotating)
Timing belt out of position
ARDF main board defective
ARDF original pick-up/paper lift
mechanism malfunction
701 B
The original pick-up HP sensor does
not activate three times consecutively
after the pick-up motor has turned on.
Original pick-up HP sensor defective.
Pick-up motor defective
ARDF main board defective
Finisher jogger motor error 722 B
The finisher jogger HP sensor does not
return to the home position, or move out
of the home position, within the
specified time.
Jogger HP sensor defective
Jogger motor defective
Finisher staple hammer motor error 724 B
Stapling does not finish within 600 ms
after the staple hammer motor turned
on.
Staple jam
Stapler overload caused by trying to
staple too many sheets
Staple hammer motor defective
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA