Kyocera KM-2550 - Page 151

2FT-1
1-5-21
C0880 Fax control PCB* program archive
problem
When power is turned on, the com-
pressed program in the Flash ROM on
the fax control PCB was not successfully
decompressed.
Defective fax con-
trol PCB.
Replace the fax control PCB and check for
correct operation.
C0890 Fax control PCB* CG font archive
problem
When power is turned on, the com-
pressed CG font in the Flash ROM on
the fax control PCB was not successfully
decompressed.
Defective fax con-
trol PCB.
Replace the fax control PCB and check for
correct operation.
C0900 Fax software incompatibility detection
problem
Version of fax software is not compatible
with that of main software.
Fax software ver-
sion or main soft-
ware is earlier.
Check the version of the fax software and
the main software, upgrade the version to
the compatible software.
C0920 Fax file system error
The backup data is not retained for file
system abnormality of flash memory of
the fax control PCB.
Defective fax con-
trol PCB.
Replace the fax control PCB and check for
correct operation.
C0960 Developer EEPROM read/write prob-
lem
Read and write data does not match.
Defective devel-
oper EEPROM or
main PCB.
Replace the main PCB and check for correct
operation.
C2000 Drive motor problem
LOCK ALM signal remains high for 1 s, 1
s after the drive motor has turned on.
Poor contact in the
drive motor con-
nector terminals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective drive
motor rotation con-
trol circuit.
Replace the drive motor.
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
C3100 Scanner carriage problem
The home position is not correct when
the power is turned on or copying the
document placed on the contact glass.
Poor contact of the
connector termi-
nals.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective scanner
home position
switch.
Replace the scanner home position switch.
Defective engine
PCB.
Replace the engine PCB and check for cor-
rect operation.
Defective scanner
motor.
Replace the scanner motor.
*: Optional.
Code Contents
Remarks
Causes Check procedures/corrective measures