2KN/2KP
1-4-37
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.
Defective DP main
PWB.
Replace the DP main PWB and check for
correct operation.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the DP main PWB and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective CIS. Replace CIS and check for correct operation
(see page 1-5-79).
Defective DP
inverter PWB.
Replace the DP inverter PWB and check for
correct operation.
C3300 Optical system (AGC) problem
• After AGC, correct input is not
obtained at CCD.
Insufficient expo-
sure lamp luminos-
ity.
Replace the exposure lamp or inverter
PWB.
Defective scanner
PWB.
Replace the scanner PWB and check for
correct operation.
Incorrect shading
position.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position sensor.
CCD PWB output
problem.
Replace the ISU (see page 1-5-39).
Poor contact of the
connector termi-
nals.
Check the connection of connectors YC5,
YC6 and YC8 on the SHD PWB and YC1,
YC2 and YC3 on the CCD PWB, and the
continuity across the connector terminals.
Repair or replace if necessary.
C3310 CIS (AGC) problem
• After AGC, correct input is not
obtained at CIS.
Defective DP main
PWB.
Replace the DP main PWB and check for
correct operation.
CIS output prob-
lem.
Replace CIS (see page 1-5-79).
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.
Defective SHD
PWB.
Replace the SHD PWB and check for cor-
rect operation.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the scanner PWB and YC4 on the SHD
PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective scanner
PWB.
Replace the scanner PWB and check for
correct operation.
C3900 Backup memory read/write error
(scanner PWB)
• Read and write data does not match.
Defective back up
RAM or scanner
PWB.
Replace the scanner PWB and check for
correct operation.
C3910 Backup memory read/write error
(scanner PWB)
• Data in the specified area of the
backup memory does not match the
specified values.
Problem with the
backup memory
data.
Run maintenance item U022 to initialize the
backup memory data.
Defective scanner
PWB.
If the C3910 is displayed after initializing the
backup memory, replace the main PWB and
che
ck for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures
To Next Page
Loading...
