Kyocera KM-2550 Service Manual page 150

2FT-1
Code
C0500 Second paper feeder* communica-
tion problem
Communication fails five times succes-
sively.
C0510 Third paper feeder* communication
problem
Communication fails five times succes-
sively.
C0610 Bitmap (DIMM) problem
There is a problem with the data or
address bus of the bitmap DRAM.
C0630 DMA problem
DMA transmission of compressed,
decompressed, rotated, relocated or
blanked-out image data does not com-
plete within the specified period of time.
C0800 Image processing problem
JAM05 is detected twice.
C0820 Fax control PCB* CG ROM checksum
error
A checksum error occurred with the CG
ROM data of the fax control PCB.
C0830 Flash ROM program area checksum
error
A checksum error occurred with the pro-
gram of the fax control PCB.
C0860 Fax control PCB* software switch
checksum error
A checksum error occurred with the soft-
ware switch value of the fax control PCB.
C0870 Fax control PCB* to main PCB high-
capacity data transfer problem
High-capacity data transfer between the
fax control PCB and the main PCB of the
machine was not normally performed
even if the data transfer was retried the
specified times.
*: Optional.
1-5-20
Contents
Causes Check procedures/corrective measures
Paper feeder Check the installation state of the paper
installed incor- feeder and adjust it if it is not properly
rectly. installed.
Defective engine Replace the engine PCB or drawer main
PCB or drawer PCB and check for correct operation.
main PCB.
Paper feeder Check the installation state of the paper
installed incor- feeder and adjust it if it is not properly
rectly. installed.
Defective engine Replace the engine PCB or drawer main
PCB or drawer PCB and check for correct operation.
main PCB.
Defective main Replace the main PCB and check for correct
PCB. operation.
DIMM installed Check if the DIMM is inserted into the socket
incorrectly. on the main PCB correctly.
Defective DIMM. Replace the DIMM and check for correct
operation.
Defective main Replace the main PCB and check for correct
PCB. operation.
Defective main Replace the main PCB and check for correct
PCB. operation.
Defective fax con- Replace the fax control PCB and check for
trol PCB. correct operation.
Defective fax con- Replace the fax control PCB and check for
trol PCB. correct operation.
Defective fax soft- Install the fax software to Ver. 2.xx or later.
ware.
Defective fax con- Replace the fax control PCB and check for
trol PCB. correct operation.
Poor contact in the Check the connection of connector. Repair
connector termi- or replace if necessary.
nals.
Defective main Replace the main PCB or fax control PCB
PCB or fax control and check for correct operation.
PCB.
Remarks