Olivetti d-Copia 600 Service Manual page 189

Code
C3100 Scanner carriage problem
• The home position is not correct when
the power is turned on or at the start of
copying using the MP tray.
C3200 Exposure lamp problem
• Check the CCD input value for the
lighting status of the exposure lamp
500 ms after the exposure lamp is lit
and the carriage is moved to the shad-
ing position. If the exposure lamp does
not light, a further 100 ms later, check
the CCD input. The exposure lamp
does not light after 50 retries.
C3210 CIS lamp problem
• After the reading starting, when input
value at the time of CIS illumination
does not exceed the threshold value
between 5 s.
C3300 Optical system (AGC) problem
• After AGC, correct input is not
obtained at CCD.
Y104350-7
Contents
Causes Check procedures/corrective measures
Defective scanner Replace the scanner PWB and check for
PWB. correct operation.
Defective scanner Replace the scanner home position switch.
home position
switch.
Defective scanner Replace the scanner motor.
motor.
Poor contact in the Check the connection of connector YC5 on
connector termi- the scanner PWB and the continuity across
nals. the connector terminals. Repair or replace if
necessary.
Defective mirror Check if the mirror flames and exposure
flame, exposure lamp are on the rail. And check the scanner
lamp or scanner wire winds correctly.
wire.
Defective scanner Replace the scanner PWB and check for
PWB. correct operation.
Defective exposure Replace the exposure lamp or inverter
lamp or inverter PWB.
PWB.
Incorrect shading Adjust the position of the contact glass
position. (shading plate). If the problem still occurs,
replace the scanner home position switch.
Poor contact of the Check the connection of connector YC4 on
connector termi- the scanner PWB, and the continuity across
nals. the connector terminals. Repair or replace if
necessary.
Defective CCD Replace the CCD PWB and check for cor-
PWB. rect operation.
Defective DP main Replace the DP main PWB and check for
PWB. correct operation.
Poor contact in the Check the connection of connector YC6 on
connector termi- the DP main PWB and the continuity across
nals. the connector terminals. Repair or replace if
necessary.
Defective CIS. Replace CIS and check for correct operation
(see page 1-6-87).
Defective DP Replace the DP inverter PWB and check for
inverter PWB. correct operation.
Insufficient expo- Replace the exposure lamp or inverter
sure lamp luminos- PWB.
ity.
Defective scanner Replace the scanner PWB and check for
PWB. correct operation.
Incorrect shading Adjust the position of the contact glass
position. (shading plate). If the problem still occurs,
replace the scanner home position sensor.
CCD PWB output Replace the ISU (see page 1-6-46).
problem.
Sevice Manual
Remarks
1-5-33