Self-Diagnosis; Self-Diagnostic Function; Self-Diagnostic Codes - Kyocera Mita KM-3530 Service Manual

3B5

1-3-2 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
displayed as a code consisting of "C" followed by a number between 0440 and 8220, 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 tray open/close switch or copier safety
switch 1 or 2 off and back on.

(2) Self-diagnostic codes

Code
C0440 Finisher communication problem
An error code from the side deck is
detected eight times in succession.
No communication: there is no reply
after 3 retries.
Abnormal communication: a
communication error (parity or
checksum error) is detected five times in
succession.
C8170 Finisher front side registration motor
problem
If the front side registration home
position sensor is on in initialization, the
sensor does not turn off within 570 ms
of starting initialization.
If the front side registration home
position sensor is off in initialization, the
sensor does not turn on within 3180 ms
of starting initialization.
C8180 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 starting initialization.
1-3-4
Contents
Causes Check procedure/corrective measures
Poor contact in the Check the connection of connectors CN4,
connector CN5 on the copier main PCB and CN2 on
terminals. the finisher main PCB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective copier Replace the copier main PCB and check for
main PCB. correct operation.
Defective finisher Replace the finisher main PCB and check
main PCB. for correct operation.
The front side Reinsert the connector. Also check for
registration motor continuity within the connector cable. If
connector makes none, remedy or replace the cable.
poor contact.
The front side Replace the front side registration motor
registration motor and check for correct operation.
malfunctions.
The front side Reinsert the connector. Also check for
registration home continuity within the connector cable. If
position sensor none, remedy or replace the cable.
connector makes
poor contact.
The front side Replace the front side registration home
registration home position sensor and check for correct
position sensor operation.
malfunctions.
Defective finisher Replace the finisher main PCB and check
main PCB. for correct operation.
The rear side Reinsert the connector. Also check for
registration motor continuity within the connector cable. If
connector makes none, remedy or replace the cable.
poor contact.
The rear side Replace the rear side registration motor and
registration motor check for correct operation.
malfunctions.
The rear side Reinsert the connector. Also check for
registration home continuity within the connector cable. If
position sensor none, remedy or replace the cable.
connector makes
poor contact.
The rear side Replace the rear side registration home
registration home position sensor and check for correct
position sensor operation.
malfunctions.
Remarks