Kyocera Mita KM-4530 Service Manual page 164

(2) Self diagnostic codes
Code Contents
C0040 Network scanner PCB* problem
• Correct communication data is not
obtained from network scanner PCB.
C0100 Backup memory read/write problem
• Read and write data does not match.
C0110 Backup memory data problem
• Data in the specified area of the
backup memory does not match the
specified values.
C0210 Operation unit PCB communication
problem
• There is no reply after 20 retries at
communication.
C0240 Printer PCB* communication prob-
lem
• There is no reply after 20 retries at
communication.
C0250 Network scanner PCB* communica-
tion problem
• There is no reply, in during regular
communication from network scanner
PCB to main PCB.
*: Optional.
Causes Check procedures/corrective measures
Defective network Replace the network scanner PCB and
scanner PCB. check for correct operation.
Defective backup Replace the main PCB and check for cor-
RAM or main rect operation.
PCB.
Problem with the Turn safety switch 1 off and back on and
backup memory run maintenance item U020 to set the con-
data. tents of the backup memory data again.
Defective backup If the C0110 is displayed after re-setting
RAM. the backup memory contents, replace the
backup RAM or main PCB.
Poor contact in Check the connection of connectors CN10
the connector ter- on the main PCB and CN2 on the opera-
minals. tion unit PCB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective main Replace the main PCB or operation unit
PCB or operation left PCB and check for correct operation.
unit left PCB.
Poor contact in Check the connection of connector CN3 on
the connector ter- the main PCB and the connector on the
minals. printer PCB. Repair or replace if neces-
sary.
Defective main Replace the main PCB or printer PCB and
PCB or printer check for correct operation.
PCB.
Poor contact in Check the connection of connector CN4 on
the connector ter- the main PCB and the connector on the
minals. network scanner PCB. Repair or replace if
necessary.
Defective main Replace the main PCB or network scanner
PCB or network PCB and check for correct operation.
scanner PCB.
Remarks
2BC/D
1-5-21