Olivetti d-Copia 1600, Service Manual

Page: 113 / 242

2HA/2HB
1-4-17
C3100 Scanner carriage problem
The home position is not correct when
the power is turned on or copying the
document placed on the contact glass.
Poor contact of the
connector termi-
nals. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective scanner
home position
switch. Replace the scanner home position switch.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation.
Defective scanner
motor. Replace the scanner motor.
C3200 Exposure lamp problem
Non-lighting of the exposure lamp is
detected at the beginning of copying.
Poor contact of the
connector termi-
nals. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective exposure
lamp or inverter
PWB. Replace the exposure lamp or inverter
PWB.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation.
Incorrect shading
position. Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position switch.
C3300 Optical system (AGC) problem
After AGC, correct input is not obtained
at CCD.
Insufficient expo-
sure lamp luminos-
ity. Replace the exposure lamp or inverter
PWB.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation.
Incorrect shading
position. Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the scanner home position switch.
Defective CCD
PWB. Replace the ISU.
C4000 Polygon motor synchronization prob-
lem
The polygon motor does not reach the
stable speed within 20 s of the START
signal turning on.
Poor contact in the
polygon motor con-
nector terminals. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective polygon
motor. Replace the LSU.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation.
C4010 Polygon motor steady-state problem
The polygon motor rotation is not stable
for 5 s after the polygon motor rotation
has been stabilized.
Poor contact in the
polygon motor con-
nector terminals. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective polygon
motor. Replace the LSU.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation.
Code Contents
Remarks
Causes Check procedures/corrective measures