Olivetti d-Copia 3500MF Service Manual page 274

Code Contents
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.
4001 Polygon motor synchroni-
zation error
After polygon motor is driven,
the ready signal does not turn
to L within 30 s.
4011 Polygon motor steady-state
error
After polygon motor is stabi-
lized, the ready signal is at the
H level for 15 s continuously.
4101 BD initialization error
After polygon motor is driven,
ASIC detects a BD error for 1
s.
Service Manual
Causes
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.
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. Polygon motor and engine PWB (YC15)
Defective polygon Replace the laser scanner unit (see page 1-
motor. 5-24).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
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. Polygon motor and engine PWB (YC15)
Defective polygon Replace the laser scanner unit (see page 1-
motor. 5-24).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
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. Laser scanner unit and LSU relay PWB
(YC3)
LSU relay PWB (YC2) and engine PWB
(YC11)
Defective PD Replace the laser scanner unit (see page 1-
PWB. 5-24).
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-43).
1-4-32
2LL/2LJ/2LH
Check procedures/
corrective measures
Y113350-5