Kyocera KM-3050 Service Manual page 176

2GN/2GP/2GR-1
Code
C8170 Side registration motor 1 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.
Adjustment motor problem (optional
document finisher)
When the adjustment motor is driving,
the ON status of the adjustment home
position sensor cannot be detected even
if a specified time has elapsed.
When adjustment operation starts, the
ON status of the adjustment home posi-
tion sensor is not detected.
Finisher front side registration motor
problem (optional built-in finisher)
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.
1-4-36
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC2 on
connector termi- the internal tray PWB and the connector on
nals. side registration motor 1, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective side reg- Replace side registration motor 1.
istration motor 1.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
The adjustment Reinsert the connector. Also check for conti-
motor connector nuity within the connector cable. If none,
makes poor con- remedy or replace the cable.
tact.
Defective adjust- Replace adjustment motor.
ment motor.
The adjustment Reinsert the connector. Also check for conti-
home position sen- nuity within the connector cable. If none,
sor connector remedy or replace the cable.
makes poor con-
tact.
Defective adjust- Replace the adjustment home position sen-
ment home posi- sor.
tion sensor.
Defective finisher Replace the finisher main PWB and check
main PWB. for correct operation.
The front 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 front side Replace front side registration motor.
registration motor.
The front 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 front side Replace the front side registration home
registration home position sensor.
position sensor.
Defective finisher Replace the finisher control PWB and check
control PWB. for correct operation.
Remarks