Kyocera TASKalfa 3010i, Service Manual

Page: 318 / 734

2NL/2P8
1-4-32
3600
Scanner sequence error
ISC PWB 1. Execute U021 memory initializing (see
page 1-3-29).
2. Replace the ISC PWB and execute
U411 (see page 1-5-51).
3700
Scanner device error
CCD (ISU)
Since the ISU is mounted with a CCD of
different type, install the ISU that matches
with the model.
3800 AFE error
When writing the data, read
and write data does not match
3 times in succession.
ISC PWB 1. Confirm that the FCC wiring connector is
not distorted and connect the FCC
wiring all the way in.
CCD PWB (YC2) and ISC PWB (YC9)
2. If the FCC wiring is disconnected,
replace the FCC wiring.
3. Replace the ISC PWB and execute
U411 (see page 1-3-119).
CCD PWB
Replace the ISU and execute U411 (see
page 1-5-51).
3900 Backup memory read/write
error (ISC PWB)
Read and write data does not
match.
Backup memory
(ISC PWB) 1. Turn the main power switch off and after
5 seconds, turn it on.
2. Replace the ISC PWB and execute
U411 (see page 1-5-51).
4001 Polygon motor synchroni-
zation error
After polygon motor is driven,
the ready signal does not turn
to L within 10 s.
Polygon motor
(LSU) 1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Polygon motor and Engine PWB (YC28)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the laser scanner unit (see
page 1-5-21).
Engine PWB 1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
44).
Code Contents Related parts
Check procedures/
corrective measures