Olivetti DF-670, Руководство по обслуживанию

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3LB
1-4-3
1-4-2 Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled and the problem dis-
played as a code consisting of C followed by a number, indicating the nature of the problem.
A message is also displayed requesting the user to call for service.
After removing the problem, the self-diagnostic function can be reset by turning the main power switch off and back on.
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
C8170 Finisher front side registration motor
problem
When the front-side registration home-
position sensor is turned on during initial-
ization, the sensor did not turn on while it
has moved by 106 pulses.
When the front-side registration home-
position sensor is turned off during initial-
ization, the sensor did not turn on in 3 s.
The front side reg-
istration motor con-
nector makes poor
contact. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective front side
registration motor. Replace front side registration motor.
The front side reg-
istration home
position sensor
connector makes
poor contact. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective front side
registration home
position sensor. Replace the front side registration home
position sensor.
Defective finisher
control PWB. Replace the finisher control PWB and check
for correct operation.
C8180 Finisher rear side registration motor
problem
When the rear-side registration home-
position sensor is turned on during initial-
ization, the sensor did not turn on while it
has moved by 106 pulses.
When the rear-side registration home-
position sensor is turned off during initial-
ization, the sensor did not turn on in 3 s.
The rear side reg-
istration motor con-
nector makes poor
contact. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective rear side
registration motor. Replace rear side registration motor.
The rear side reg-
istration home
position sensor
connector makes
poor contact. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective rear side
registration home
position sensor. Replace the rear side registration home
position sensor.
Defective finisher
control PWB. Replace the finisher control PWB and check
for correct operation.
Y108690-3 Service Manual