Kyocera KM-4230 Service Manual page 423

2A3/4
Code Contents
C026 Memory copy PCB 1 com-
munication problem
• There is no reply after five
retries at transmitting.
• There is no reply after five
retries at receiving.
C032 Large paper deck commu-
nication problem*
• Communication errors from
the communication micro-
computer (IC56) on the
main PCB:
No communication: there is
no replay after 3 retries.
Abnormal communication:
a communication error
(parity or checksum error)
is detected five times in
succession.
C032 Paper feed desk commu-
nication problem*
• An error code from the pa-
per feed desk is detected
eight times in succession.
No communication: there is
no reply after 3 retries.
Abnormal communication:
a communication error
(parity or checksum error)
is detected five times in
succession.
*1: 42 ppm: optional/52 ppm: standard.
3-5-4
Causes
Poor contact of
the connector
terminals.
Defective main
PCB or
memory copy
PCB 1.
Poor contact of
1 the connector
terminals.
Defective en-
gine PCB.
Defective main
PCB.
Defective deck
main PCB.
Poor contact of
3 the connector
terminals.
Defective en-
gine PCB.
Defective main
PCB.
Defective desk
main PCB.
*3: Optional for 42 ppm only.
Remarks
Check procedures/
corrective measures
Check the connection of con-
nector CN2 on the main PCB
and the connector on memory
copy PCB 1. Repair or replace
if necessary.
Replace the main PCB or
memory copy PCB 1 and
check for correct operation.
Check the connection of con-
nector CN17 on the engine
PCB and the connector CN9
on the deck main PCB, and
the continuity across the con-
nector terminals. Repair or re-
place if necessary.
Replace the engine PCB and
check for correct operation.
Replace the main PCB and
check for correct operation.
Replace the deck main PCB
and check for correct opera-
tion.
Check the connection of con-
nectors CN17 on the engine
PCB and CN2 on the desk
main PCB, and the continuity
across the connector termi-
nals. Repair or replace if nec-
essary.
Replace the engine PCB and
check for correct operation.
Replace the main PCB and
check for correct operation.
Replace the desk main PCB
and check for correct opera-
tion.