Kyocera KM-C2520 Service Manual page 186

2FZ/2F0/2HC-3
Code
C0870 Fax control PWB to main PWB high
capacity data transfer problem
High-capacity data transfer between the
fax control PWB and the scanner MIP
PWB was not normally performed even if
the data transfer was retried 10 times.
C0880 Program archive problem (optional
fax)
When power is turned on, the com-
pressed program in the Flash ROM on
the fax control PWB was not success-
fully decompressed.
C0890 Fax control PWB CG FONT archive
problem (optional fax)
When power is turned on, the com-
pressed CG font in the Flash ROM on
the fax control PWB was not success-
fully decompressed.
C0920 Fax file system error
The backup data is not retained for file
system abnormality of flash memory of
the fax control PWB.
C1010 Lift motor 1 error
When cassette 1 is inserted, lift limit
switch 1 does not turn on within 12 s of
lift motor 1 turning on.
1-4-26
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC6 on
connector termi- the main PWB and the connector on the fax
nals. control PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the fax control PWB or main PWB
and check for correct operation.
Defective fax soft- Install the fax software.
ware.
Defective fax con- Replace the fax control PWB and verify the
trol PWB. operation.
Defective fax soft- Install the fax software.
ware.
Defective fax con- Replace the fax control PWB and verify the
trol PWB. operation.
Defective fax con- Replace the fax control PWB and verify the
trol PWB. operation.
Poor contact in the Check the connection of connector of lift
connector termi- motor 1 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 1.
couplings of lift
motor 1.
Defective lift motor Check for continuity across the coil. If none,
1. replace lift motor 1.
Defective lift switch Check if YC9-12 on the feed PWB goes low
1. when lift switch 1 is turned off. If not, replace
lift switch 1.
Poor contact in the Check the connection of connector of lift
connector termi- switch 1 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.
Remarks