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3CC
Code
C1040
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.
C1170
Paper feed desk incorrect type
problem
C2600
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.
1-3-6
Contents
Causes
Check procedures/corrective measures
Broken gears of
Replace the desk lower lift motor.
couplings of the
desk lower lift
motor.
Defective desk
Check for continuity across the coil. If
lower lift motor.
none, replace the desk lower lift motor.
Poor contact of
Reinsert the connector. Also check for
the desk lower lift
continuity within the connector cable. If
motor connector
none, repair or replace the cable.
terminals.
Defective desk
Check if CN1-7 on the desk main PCB
lower lift limit
goes low when the desk lower lift limit
switch.
switch is turned off. If not, replace the desk
lower lift limit switch.
Poor contact of
Reinsert the connector. Also check for
the desk lower lift
continuity within the connector cable. If
limit switch
none, repair or replace the cable.
connector
terminals.
Desk for the
Replace the desk fot the copier.
printer is installed.
Defective desk
Replace the desk drive motor PCB and
drive motor PCB.
check for correct operation.
Desk drive motor
Check the gears and remedy if necessary.
does not rotate
correctly (the
motor is over-
loaded).
Poor contact in
Reinsert the connector. Also check for con-
the desk drive
tinuity within the connector cable. If none,
motor connector
remedy or replace the cable.
terminals.
Remarks
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