Kyocera KM-C2520 Service Manual page 187

Code
C1020 Lift motor 2 error
When cassette 2 is inserted, lift limit
switch 2 does not turn on within 12 s of
lift motor 2 turning on.
C1030 Paper feeder lift motor 1 error
(optional paper feeder)
When optional cassette 3 is inserted,
paper feeder lift switch 1 does not turn
on within 12 s of paper feeder lift motor 1
turning on.
The lift overcurrent protective monitor
signal is detected above 500 ms during
driving the motor.
However, the first 1 s after paper feeder
lift motor 1 is turned on is excluded from
detection.
C1040 Paper feeder lift motor 2 error
(optional paper feeder)
When optional cassette 4 is inserted,
paper feeder lift switch 2 does not turn
on within 12 s of paper feeder lift motor 2
turning on.
The lift overcurrent protective monitor
signal is detected above 500 ms during
driving the motor.
However, the first 1 s after paper feeder
lift motor 2 is turned on is excluded from
detection.
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector of lift
connector termi- motor 2 and the connector YC25 on the
nals. engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken gears or Replace lift motor 2.
couplings of lift
motor 2.
Defective lift motor Check for continuity across the coil. If none,
2. replace lift motor 2.
Defective lift switch Check if YC9-6 on the feed PWB goes low
2. when lift switch 2 is turned off. If not, replace
lift switch 2.
Poor contact in the Check the connection of connector of lift
connector termi- switch 2 and the connector YC9 on the feed
nals. PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective PWB. Replace the feed PWB or engine PWB and
check for correct operation.
Poor contact in the Check the connection of connector on the
connector termi- engine PWB and the connector on the paper
nals. feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Broken gears or Replace paper feeder lift motor 1.
couplings of paper
feeder lift motor 1.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 1. replace paper feeder lift motor 1.
Defective paper Check if YC1-5 on the paper feeder main
feeder lift switch 1. PWB goes low when paper feeder lift switch
1 is turned off. If not, replace paper feeder lift
switch 1.
Poor contact in the Check the connection of connector on the
connector termi- engine PWB and the connector on the paper
nals. feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Broken gears or Replace paper feeder lift motor 2.
couplings of paper
feeder lift motor 2.
Defective paper Check for continuity across the coil. If none,
feeder lift motor 2. replace paper feeder lift motor 2.
Defective paper Check if YC1-7 on the paper feeder main
feeder lift switch 2. PWB goes low when paper feeder lift switch
2 is turned off. If not, replace paper feeder lift
switch 2.
2FZ/2F0/2HC-3
Remarks
1-4-27