2KJ/2KH
1-4-21
C3200
Exposure lamp problem
Non-lighting of the exposure lamp is
detected at the beginning of copying.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC16 on
the engine PWB and the connector on the
inverter PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure
lamp.
Replace the exposure lamp.
Incorrect shading
position.
Adjust the position of the contact glass
(shading plate). If the problem still occurs,
replace the home position switch.
Defective PWB.
Replace the engine PWB or inverter PWB
and check for correct operation.
C3300
AGC problem
After AGC, correct input is not obtained
at CCD.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the main PWB and the connector on the
CCD PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure
lamp.
Replace the exposure lamp.
Defective PWB.
Replace the main PWB or CCD PWB and
check for correct operation.
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
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C4010
Polygon motor steady-state problem
Stable OFF is detected for 5 s continu-
ously after polygon motor stability.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C4200
BD steady-state problem
ASIC detects a BD error for 600 ms after
the polygon motor rotation has been sta-
bilized.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective laser
scanner unit.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Summary of Contents for TASKalfa 181
Page 1: ...SERVICE MANUAL Published in October 2009 842KJ112 2KJSM062 Rev 2 TASKalfa 181 TASKalfa 221 ...
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Page 10: ...This page is intentionally left blank ...
Page 14: ...2KJ 2KH This page is intentionally left blank ...
Page 114: ...2KJ 2KH 1 3 74 This page is intentionally left blank ...
Page 152: ...2KJ 2KH 1 4 38 This page is intentionally left blank ...
Page 292: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 306: ...INSTALLATION GUIDE FOR DUPLEX UNIT ...
Page 315: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 327: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 336: ...INSTALLATION GUIDE FOR FAX System R ...
Page 351: ...INSTALLATION GUIDE FOR Scan System F B ...
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