Kyocera Copystar CS 3011i, Service Manual

Page: 324 / 772

2RG/2RH
1-4-31
4201 BD steady-state error
The BD signal is not detected.
PD PWB (Laser
scanner unit)
1. Confirm that the FCC wiring connector is
not distorted and connect the FCC
wiring all the way in.
APC PWB (YC1) and Engine PWB
(YC5)
2. If the FCC wiring is disconnected,
shorted or grounded, replace the FCC
wiring.
3. Replace the laser scanner unit (see
page 1-5-30).
Engine PWB 1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
59).
4700 VIDEO_ASIC device error
Communication with the video
ASIC has failed 10 times suc-
cessively.
Engine PWB 1. Unplug the power cord from the wall out-
let, and wait five seconds. Then plug in
the power cord and then turn on the
power switch.
2. Check that the connectors on the engine
PWB are properly connected, and if not,
re-connect them.
3. Replace the engine PWB.
(see page P.1-4-208)
Main PWB 1. Check that the connectors on the main
PWB are properly connected, and if not,
re-connect them.
2. Replace the main PWB.
(see page P.1-4-208)
Code Contents Related parts
Check procedures/
corrective measures