2KR/2KS
1-4-31
C2000
Drive motor problem
Stable OFF is detected for 1 s continu-
ously after drive motor stability.
The drive motor is not stabilized in 6 s
since the motor is activated.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC11 on
the engine PWB and the connector on the
drive motor, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective drive
motor.
Replace the drive motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C2250
Main charger cleaning motor error
A locking error has been detected three
times in a row during a reciprocating
cleaning motion.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the engine PWB and the connector on the
main charger cleaning motor, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective main
charger cleaning
motor.
Replace the main charger cleaning motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C2500
Paper feed motor error
Stable OFF is detected for 1 s continu-
ously after paper feed motor stability.
The paper feed motor is not stabilized in
6 s since the motor is activated.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC11 on
the engine PWB and the connector on the
paper feed motor, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective paper
feed motor.
Replace the paper feed motor.
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 420i
Page 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2KR 2KS This page is intentionally left blank ...
Page 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Page 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Page 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Page 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Page 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Page 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Page 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 491: ...INSTALLATION GUIDE FOR FAX System ...
Page 507: ......
Page 508: ......