Olivetti d-Copia 6500MF Plus Service Manual page 415

Code Contents
Scanner sequence error
3600
Scanner device error
3700
3800 AFE error
When writing the data, read
and write data does not match
3 times in succession.
No response is received in
100 ms from AEF.
3900 Backup memory read/write
error (ISC PWB)
Read and write data does not
match.
4001 Polygon motor synchroni-
zation error
After polygon motor is driven,
the ready signal does not turn
to L within 30 s.
The polygon motor speed
won't stabilize within 10 s.
Y116520-3
Related parts
ISC PWB
CCD (ISU)
Since the ISU is mounted with a CCD of
different type, install the ISU that matches
with the model.
ISC PWB
CCD PWB
Replace the ISU and execute U411 (see
page 1-3-152).
Backup memory
(ISC PWB)
Polygon motor
(LSU)
Engine PWB
1-4-87
Check procedures/
corrective measures
1. Execute U021 memory initializing (see
page 1-3-28).
2. Replace the ISC PWB and execute
U411 (see page 1-3-152).
1. Confirm that the FFC wiring connector is
not distorted and connect the FFC wiring
all the way in.
CCD PWB (YC2) and ISC PWB (YC9)
2. If the FFC wiring is disconnected,
replace the FFC wiring.
3. Replace the ISC PWB and execute
U411 (see page 1-3-152).
1. Turn the main power switch off and after
5 seconds, turn it on.
2. Replace the ISC PWB and execute
U411 (see page 1-3-152).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Polygon motor and Engine PWB (YC15)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the laser scanner unit (see
page 1-5-49).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
2N8/2N7
Service Manual