Kyocera KM-2530

2DF
1-5-28
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
C0030
C0110
C0210
C0240
C0250
C0280
C0420
Fax board* problem
• Problems with data from fax board.
Backup memory data problem
• Data in the specified area of the
backup memory does not match the
specified values.
Operation unit PCB communication
problem
• There is no reply after 20 retries at
communication.
Printer board* communication prob-
lem
• There is no reply after 20 retries at
communication.
Scanner network board* communi-
cation problem
• There is no reply after 20 retries at
communication.
Fax board* communication problem
• There is no reply after 20 retries at
communication.
Large paper deck*/paper feed desk*
communication problem
• Communication errors from the com-
munication microcomputer on the
main PCB.
No communication: there is no reply
after 5 retries.
Abnormal communication: a commu-
nication error (parity or checksum er-
ror) is detected five times in succes-
sion.
Defective fax
board.
Problem with the
backup memory
data.
Defective backup
RAM.
Poor contact in
the connector ter-
minals.
Defective main
PCB or operation
unit PCB.
Poor contact in
the connector ter-
minals.
Defective main
PCB or printer
board.
Poor contact in
the connector ter-
minals.
Defective main
PCB or scanner
network board.
Poor contact in
the connector ter-
minals.
Defective main
PCB or fax board.
Poor contact in
the connector ter-
minals.
Defective main
PCB.
Defective deck
main PCB/desk
main PCB.
Replace the fax board and check for cor-
rect operation.
Turn safety switch 1 off and back on and
run maintenance item U020 to set the con-
tents of the backup memory data again.
If the C011 is displayed after re-setting the
backup memory contents, replace the
backup RAM.
Check the connection of connectors CN36,
CN42 on the main PCB and CN1, CN2 and
CN3 on the operation unit PCB, and the
continuity across the connector terminals.
Repair or replace if necessary.
Replace the main PCB or operation unit
PCB and check for correct operation.
Check the connection of connector CN43
on the main PCB and the connector on the
printer board. Repair or replace if neces-
sary.
Replace the main PCB or printer board and
check for correct operation.
Check the connection of connector CN46
on the main PCB and the connector on the
memory PCB. Repair or replace if neces-
sary.
Replace the main PCB or scanner network
board and check for correct operation.
Check the connection of connector CN44
on the main PCB and the connector on the
memory PCB. Repair or replace if neces-
sary.
Replace the main PCB or fax board and
check for correct operation.
Check the connection of connectors CN3
on the main PCB and the connector on the
deck main PCB/desk main PCB, and the
continuity across the connector terminals.
Repair or replace if necessary.
Replace the main PCB and check for cor-
rect operation.
Replace the deck main PCB/desk main
PCB and check for correct operation.
*: Optional