Mb Conveying Motor Error 2 (4000-Sheet Finisher); Document Finisher Main Program Error; Document Finisher Backup Error - Kyocera FS-C8600DN Service Manual

Code Contents
8520 MB conveying motor error 2
(4000-sheet finisher)
When standby operation, MB
home position sensor does
not turn off within 1 s.
8800 Document finisher main
program error
Document finisher main pro-
gram error at power up.
8900 Document finisher backup
error
Read and write data does not
match 3 times in succession.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. MB conveying motor and MB main PWB
(YC5)
MB home position sensor and MB main
PWB (YC2)
Defective MB Replace the MB home position sensor.
home position sen-
sor.
Defective MB con- Replace the MB conveying motor.
veying motor.
Defective MB main Replace the MB main PWB and check for
PWB. correct operation.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (4000-sheet DF main PWB (YC4) and engine PWB
finisher). (YC18)
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (1000-sheet DF main PWB (YC7) and engine PWB
finisher). (YC18)
Defective PWB. Replace the DF main PWB or the engine
PWB and check for correct operation.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (4000-sheet DF main PWB (YC4) and engine PWB
finisher). (YC18)
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector (1000-sheet DF main PWB (YC7) and engine PWB
finisher). (YC18)
Improper installa- Check the installation of the EEPROM and
tion EEPROM. remedy if necessary.
Defective DF main Replace the DF main PWB and check for
PWB. correct operation.
1-4-83
Check procedures/
corrective measures
2MN/2N1