Kyocera KM-1650 Service Manual page 153

2DA/2DB
Code
C7810 Short-circuited external temperature
thermistor
The input voltage is 4.5 V or more.
C8170 1
Finisher* front side registration
motor problem
If the front side registration home posi-
tion sensor is on in initialization, the sen-
sor does not turn off within 570 ms of
starting initialization.
If the front side registration home posi-
tion sensor is off in initialization, the sen-
sor does not turn on within 3180 ms of
starting initialization.
C8180
1
Finisher* rear side registration motor
problem
If the rear side registration home position
sensor is on in initialization, the sensor
does not turn off within 570 ms of starting
initialization.
If the rear side registration home position
sensor is off in initialization, the sensor
does not turn on within 2880 ms of start-
ing initialization.
*1: Optional. *2: Optional for 16 ppm model. Standard for 20 ppm model.
1-5-24
Contents
Causes Check procedures/corrective measures
Poor contact in the Reinsert the connector. Also check for conti-
humidity sensor nuity within the connector cable. If none,
connector termi- remedy or replace the cable.
nals.
Defective humidity Replace the drawer PCB and check for cor-
sensor. rect 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.
The front side reg- Replace the front side registration motor and
istration motor mal- check for correct operation.
functions.
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.
The front side reg- Replace the front side registration home
istration home position sensor and check for correct opera-
position sensor tion.
malfunctions.
Defective finisher Replace the finisher main PCB and check
main PCB. 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.
The rear side reg- Replace the rear side registration motor and
istration motor mal- check for correct operation.
functions.
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.
The rear side reg- Replace the rear side registration home
istration home position sensor and check for correct opera-
position sensor tion.
malfunctions.
Defective finisher Replace the finisher main PCB and check
main PCB. for correct operation.
Remarks