Kyocera KM-2540 - Troubleshooting Tables

2JB/2JC-1
1-4-21
C0420 Optional paper feeder communication
problem
The engine PWB and the paper feeder
are unable to communicate with each
other.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC22 on
the engine PWB and the connector on the
paper feeder main PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective PWB. Replace the engine PWB or paper feeder
main PWB and check for correct operation.
C0440 Optional document finisher/built-in
finisher communication problem
The engine PWB and the document fin-
isher or the built-in finisher are unable to
communicate with each other.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the engine PWB and the connector of the
document finisher, and the continuity across
the connector terminals. Repair or replace if
necessary.
Check the connection of connector YC4 on
the engine PWB and the connector of the
built-in finisher, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the engine PWB or finisher main
PWB and check for correct operation.
C0610 Bitmap problem
The DIMM on the main PWB does not
operate correctly.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
DDR on the main
PWB installed
incorrectly.
Check the connection. Repair or replace if
necessary.
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.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
DDR on the main
PWB installed
incorrectly.
Check the connection. Repair or replace if
necessary.
C0800 Image processing problem
JAM05 is detected twice.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0820 Fax control PWB CG ROM checksum
error (optional fax)
A checksum error occurred with the CG
ROM data of the fax control PWB.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0830 Fax control PWB flash program area
checksum error (optional fax)
A checksum error occurred with the pro-
gram of the fax control PWB.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0860 Fax control PWB software switch
checksum error (optional fax)
A checksum error occurred with the soft-
ware switch value of the fax control
PWB.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
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.
Poor
contact in the
connector termi-
nals.
Check the connection of the main PWB and
the fax 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.
Code Contents
Remarks
Causes Check procedures/corrective measures