Kyocera KM-4230 - Page 424

2A3/4
3-5-5
Poor contact of
the connector
terminals.
Defective en-
gine PCB.
Defective main
PCB.
Defective fin-
isher main
PCB.
Poor contact of
the connector
terminals.
Defective main
PCB or
memory copy
PCB 2.
Defective main
PCB.
Insufficient ex-
posure lamp
luminosity.
Defective
mainPCB.
Incorrect shad-
ing position.
CCD PCB out-
put problem.
Check the connection of con-
nectors CN21 on the engine
PCB and CN2 on the finisher
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 finisher main PCB
and check for correct opera-
tion.
Check the connection of con-
nector CN3 on the main PCB
and the connector on memory
copy PCB 2. Repair or replace
if necessary.
Replace the main PCB or
memory copy PCB 2 and
check for correct operation.
Replace the main PCB and
check for correct operation.
Replace the exposure lamp or
inverter PCB.
Replace the mainPCB.
Adjust the position of the con-
tact glass (shading plate). If
the problem still occurs, re-
place the scanner home posi-
tion switch.
Replace the ISU.
Finisher communication
problem*
2
• Communication errors from
the communication micro-
computer (IC56) on the
main PCB:
No communication: there is
no reply after 3 retries.
Abnormal communication:
a communication error
(parity or checksum error)
is detected five times in
succession.
Memory copy PCB 2 com-
munication problem*
1
• There is no reply after five
retries at transmitting.
• There is no reply after five
retries at receiving.
Communication micro-
computer problem
• A problem is detected with
the communication micro-
computer (IC56) on the
main PCB.
Optical system problem
• After AGC, correct input is
not obtained at CCD.
Code Contents
Remarks
Causes
Check procedures/
corrective measures
C034
C036
C037
C104
*1: 42 ppm: optional/52 ppm: standard. *2: Optional.