C3210/C3310/C3300/C3500/C3900/C3910/C4000 - Kyocera KM-3050 Service Manual

2GN/2GP/2GR
Code
C3210 CIS lamp problem
After the reading starting, when input
value at the time of CIS illumination does
not exceed the threshold value between
5 s.
C3300 CCD AGC problem
After AGC, correct input is not obtained
at CCD.
C3310 CIS AGC problem
After AGC, correct input is not obtained
at CIS.
C3500 Communication error between scan-
ner and SHD
An error code is detected.
C3900 Backup memory read/write problem
(scanner PWB)
Read and write data does not match.
C3910 Backup memory data problem (scan-
ner PWB)
Data in the specified area of the backup
memory does not match the specified
values.
C4000 Polygon motor synchronization prob-
lem
The polygon motor does not reach the
stable speed within 20 s of the START
signal turning on.
1-4-30
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector on the
connector termi- main PWB and the connector on the DP
nals. main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Defective CIS. Replace the CIS and check for correct oper-
ation.
Poor contact in the Check the connection of connector on the
connector termi- SHD PWB and the connector on the CCD
nals. PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective exposure Replace the exposure lamp or inverter
lamp. PWB.
Defective PWB. Replace the SHD PWB or CCD PWB and
check for correct operation.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
CIS output prob- Replace the CIS and check for correct oper-
lem. ation.
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Poor contact in the Check the connection of connector YC3 on
connector termi- the scanner PWB and the connector YC4 on
nals. the SHD PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the scanner PWB or SHD PWB and
check for correct operation.
Defective backup Replace the scanner PWB and check for
RAM or scanner correct operation.
PWB.
Problem with the Run maintenance item U022 to initialize the
backup memory backup memory data.
data.
Defective scanner If the C3910 is displayed after initializing the
PWB. backup memory, replace the scanner PWB
and check for correct operation.
Poor contact in the Check the connection of connector YC8 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon Replace the laser scanner unit.
motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Remarks