Kyocera AD-63, Service Manual

Page: 427 / 513

3CC
1-3-6
Code
C1040
C1170
C2600
Causes
Broken gears of
couplings of the
desk lower lift
motor.
Defective desk
lower lift motor.
Poor contact of
the desk lower lift
motor connector
terminals.
Defective desk
lower lift limit
switch.
Poor contact of
the desk lower lift
limit switch
connector
terminals.
Desk for the
printer is installed.
Defective desk
drive motor PCB.
Desk drive motor
does not rotate
correctly (the
motor is over-
loaded).
Poor contact in
the desk drive
motor connector
terminals.
Check procedures/corrective measures
Replace the desk lower lift motor.
Check for continuity across the coil. If
none, replace the desk lower lift motor.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, repair or replace the cable.
Check if CN1-7 on the desk main PCB
goes low when the desk lower lift limit
switch is turned off. If not, replace the desk
lower lift limit switch.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, repair or replace the cable.
Replace the desk fot the copier.
Replace the desk drive motor PCB and
check for correct operation.
Check the gears and remedy if necessary.
Reinsert the connector. Also check for con-
tinuity within the connector cable. If none,
remedy or replace the cable.
Contents
Desk lower lift motor problem
When the lower drawer of the paper
feed desk is inserted, the desk lower lift
limit switch does not turn on within 6 s
of the desk lower lift motor turning on
and the desk lower lift limit switch does
not turn on by turning off the desk lower
lift motor for 200 ms and retrying twice.
During copying, the desk lower lift limit
switch does not turn on within 200 ms
of the desk lower lift motor turning on.
Paper feed desk incorrect type
problem
Desk drive motor problem
No pulse is input within 500 ms of the
start-up.
No pulse is input within 100 ms of the
previous pulse input.
Remarks