2KR/2KS
1-4-33
C3210 CIS lamp problem
When input value at the time of CIS illu-
mination does not exceed the threshold
value between 5 s.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
ISM PWB and the connector on the DP
driver PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective DP driver
PWB.
Replace the DP driver PWB and check for
correct operation.
Defective DP
inverter PWB.
Replace the DP inverter PWB and check for
correct operation.
Defective CIS. Replace the CIS and check for correct oper-
ation.
C3300 Optical system (AGC) problem
After AGC, correct input is not obtained
at CCD.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the ISM PWB and the connector on the
inverter PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure
lamp or inverter
PWB.
Replace the exposure lamp or inverter
PWB.
Defective PWB. Replace the ISM PWB, ISC PWB or CCD
PWB and check for correct operation.
C3310 CIS AGC problem
After AGC, correct input is not obtained
at CIS.
Defective DP driver
PWB.
Replace the DP driver PWB and check for
correct operation.
CIS output prob-
lem.
Replace the CIS and check for correct oper-
ation.
Defective DP
inverter PWB.
Replace the DP inverter PWB and check for
correct operation.
C3500 Communication error between scan-
ner and SHD
An error code is detected.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the CCD PWB and the connector YC2 on
the ISC PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the CCD PWB or ISC PWB and
check for correct operation.
C3900 Backup memory read/write problem
(ISC PWB)
Read and write data does not match.
Defective backup
RAM or PWB.
Replace the ISC PWB or ISM PWB and
check for correct operation.
C3910 Backup memory data problem (ISC
PWB)
Data in the specified area of the backup
memory does not match the specified
values.
Defective backup
RAM or PWB.
Replace the ISC PWB or ISM PWB and
check for correct operation.
C4000 Polygon motor synchronization prob-
lem
The polygon motor does not reach the
stable speed within 20 s of the START
signal turning on.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Code Contents
Remarks
Causes Check procedures/corrective measures
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