Olivetti d-Copia 1600 Service Manual page 113

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