Olivetti d-Copia 3002MF plus Service Manual page 307

Code Contents
3900 Backup memory read/write
error (Engine 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 10 s.
4011 Polygon motor steady-state
error
After Polygon motor is stabi-
lized, the ready signal is at the
H level for 1 s continuously.
4101 BD initialization error
After Polygon motor is driven,
the BD signal is not detected
for 1 s.
Service Manual
Related parts
Backup memory
(Engine PWB
PWB)
Polygon motor
(Laser scanner
unit)
Engine PWB
Polygon motor
(Laser scanner
unit)
Engine PWB
PD PWB (Laser
scanner unit)
Engine PWB
1-4-30
Check procedures/
corrective measures
1. Turn the main power switch off and after
5 seconds, turn it on.
2. Replace the Engine PWB and execute
U411 (see page 1-5-58,1-3-130).
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 1-5-30).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
58).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Polygon motor and Engine PWB (YC5)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the laser scanner unit (see
page 1-5-30).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
58).
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
(YC4)
2. If the FCC wiring is disconnected,
replace the FCC wiring.
3. Replace the laser scanner unit (see
page 1-5-30).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
58).
Y118240-1