Kyocera KM-3050 Service Manual page 149

Code
C8180 Side registration motor 2 problem
(optional 3000-sheet document fin-
isher)
When operation returned to a home
position is performed at the time of initial
operation and a home position is not
detected even if 3 s passed.
Jam 88 is indicated.
Finisher rear side registration motor
problem (optional built-in finisher)
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
three seconds.
C8190 Finisher trailing edge registration
motor problem (optional built-in fin-
isher)
When the trailing edge registration
home-position sensor is turned on during
initialization, the sensor did not turn on
while it has moved by 106 pulses.
When the trailing edge registration
home-position sensor is turned off during
initialization, the sensor did not turn on in
three seconds.
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC8 on
connector termi- the internal tray PWB and the connector of
nals. side registration motor 2, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective side reg- Replace side registration motor 2.
istration motor 2.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
The rear side reg- Reinsert the connector. Also check for conti-
istration motor con- nuity within the connector cable. If none,
nector makes poor remedy or replace the cable.
contact.
Defective rear side Replace rear side registration motor.
registration motor.
The rear side reg- Reinsert the connector. Also check for conti-
istration home nuity within the connector cable. If none,
position sensor remedy or replace the cable.
connector makes
poor contact.
Defective rear side Replace the rear side registration home
registration home position sensor.
position sensor.
Defective finisher Replace the finisher control PWB and check
control PWB. for correct operation.
The trailing edge Reinsert the connector. Also check for conti-
registration motor nuity within the connector cable. If none,
connector makes remedy or replace the cable.
poor contact.
Defective trailing Replace trailing edge registration motor.
edge registration
motor.
The trailing edge Reinsert the connector. Also check for conti-
registration home nuity within the connector cable. If none,
position sensor remedy or replace the cable.
connector makes
poor contact.
Defective trailing Replace the trailing edge registration home
edge registration position sensor.
home position sen-
sor.
Defective finisher Replace the finisher control PWB and check
control PWB. for correct operation.
2GN/2GP/2GR
Remarks
1-4-37