Olivetti d-Copia 2500MF Service Manual page 154

2H0/2HZ
Code
C3300 CCD AGC problem
After AGC, correct input is not obtained
at CCD.
C3500 Communication error between scan-
ner and SHD
An error code is detected.
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
Stable OFF is detected for 5 s continu-
ously after polygon motor stability.
C4200 BD steady-state problem
ASIC detects a BD error A for 2 s after
the polygon motor rotation has been sta-
bilized.
C6000 Fuser heater break
Fuser thermistor 1 detected less than
40°C/104°F for 10 s during warm-up and
ready in.
1-4-24
Contents
Causes
Poor contact in the Check the connection of connector YC18 on
connector termi- the main PWB and the connector on the
nals. CCD PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure Replace the exposure lamp.
lamp.
Defective PWB. Replace the main PWB or CCD PWB and
check for correct operation.
Poor contact in the Check the connection of connector YC18 on
connector termi- the main PWB and the connector on the
nals. CCD PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the main PWB or CCD PWB and
check for correct operation.
Poor contact in the Check the connection of connector YC2 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon Replace the laser scanner unit.
motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector YC2 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon Replace the laser scanner unit.
motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector YC2 on
connector termi- the engine PWB and laser scanner unit, and
nals. the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective laser Replace the laser scanner unit.
scanner unit.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective fuser Replace the fuser heater M or S.
heater M or S.
Installation defec- Check the mounting state of the fuser ther-
tiveness on fuser mistor 1. If any problem is found, repair it.
thermistor 1.
Defective fuser Replace the fuser thermostat.
thermostat.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Service Manual
Remarks
Check procedures/corrective measures
Y108620-5