2KR/2KS
1-4-32
C2600
PF paper conveying/drive motor error
(optional 3000-sheet paper feeder/
paper feeder)
The lock signal of the motor is detected
above 450 ms.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC15 on
the engine PWB and the connector on the
PF main PWB, 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 PF paper
conveying/drive
motor.
Replace the PF paper conveying/drive
motor.
Defective PWB.
Replace the PF main PWB or engine PWB
and check for correct operation.
C3100
Scanner carriage problem
The home position is not correct when
the power is turned on or at the start of
copying using the table.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC8 on
the ISM PWB and the connector of the
home position switch, and the connection of
connector YC7 on the ISM PWB and the
connector on the scanner motor and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective home
position switch.
Replace the scanner home position switch.
Defective scanner
motor.
Replace the scanner motor.
The mirror frame,
exposure lamp, or
scanner wire is
defective.
Check if the mirror flames and exposure
lamp are on the rail. And check the scanner
wire winds correctly.
Defective PWB.
Replace the ISM PWB or ISC PWB and
check for correct operation.
C3200
Exposure lamp problem
When input value at the time of exposure
lamp illumination does not exceed the
threshold value between 5 s.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the ISM PWB and the connector on the
inverter PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective exposure
lamp or inverter
PWB.
Replace the exposure lamp or inverter
PWB.
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 ISM PWB, ISC PWB or CCD
PWB and check for correct 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: ......