Input - Kyocera TASKalfa 2551ci Service Manual

Code Contents
3310 CIS AGC error
After AGC, correct input is not
obtained at CIS.
3500 Communication error
A wrong read-back value.
3600 Scanner sequence error
Scanner device error
3700
3800 AFE error
When writing the data, read
and write data does not match
3 times in succession.
3900 Backup memory read/write
error (ISC PWB)
Read and write data does not
match.
Causes
CIS
DPSHD PWB
Replace the DPSHD PWB.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. CCD PWB and ISC PWB (YC9)
ISC PWB and main PWB (YC11)
Defective CCD Replace the image scanner unit
PWB. (see page 1-5-21).
Defective PWB. Replace the main PWB and check for cor-
rect operation (see page 1-5-37).
Defective main Replace the main PWB or the engine PWB
PWB or engine and check for correct operation
PWB. (see page 1-5-37 or 1-5-39).
CCD connector Reinsert the image scanner unit connector if
inserted incor- necessary.
rectly.
Defective ISC Replace the ISC PWB and check for correct
PWB. operation.
Defective backup Replace the ISC PWB and check for correct
memory or PWB. operation.
1-4-32
Check procedures/
corrective measures
1. Execute U906 Separating Operation
Release (see page 1-3-195).
2. To check the lamp, execute U061 CCD
(see page 1-3-43).
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DP CIS and DPSHD PWB (YC2)
DPSHD PWB (YC3) and DP relay PWB
(YC2)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the CIS and execute U091 and
U411 (see page 1-3-134,1-3-134).
2NP