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2KN/2KP
1-4-30
C0420
Side feeder* communication error
• A communication error from side
feeder is detected 10 times in succes-
sion.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC15 on
the engine PWB and the connector YC3 on
the side feeder main PWB, and the continu-
ity across the connector terminals. Repair or
replace if necessary.
Defective engine
PWB.
Replace the engine PWB.
Defective side
feeder main PWB.
Replace the side feeder main PWB.
C0440
Document finisher* communication
problem
• A communication error from document
finisher is detected 10 times in succes-
sion.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC14 on
the engine PWB and YC4 on the finisher
main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective engine
PWB.
Replace the engine PWB.
Defective finisher
main PWB.
Replace the finisher main PWB.
C0460
Duplex unit communication problem
• A communication error from duplex
section is detected 10 times in succes-
sion.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the engine PWB and YC2 on the duplex
PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective engine
PWB.
Replace the engine PWB.
Defective duplex
PWB.
Replace the duplex PWB.
C0500
Paper feed unit communication error
(cassette 1 and 2)
• A communication error is detected 10
times in succession.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and YC2 on the deck PWB,
and the continuity across the connector ter-
minals. Repair or replace if necessary.
Defective engine
PWB.
Replace the engine PWB.
C0510
Paper feed unit communication error
(cassette 3 and 4)
• A communication error is detected 10
times in succession.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC4 on
the engine PWB and YC2 on the cassette
PWB, and the continuity across the connec-
tor terminals. Repair or replace if necessary.
Defective engine
PWB.
Replace the engine PWB.
C0610
Bitmap problem
• The DIMM on the scanner main PWB
does not operate correctly.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0630
DMA problem
• DMA transmission of compressed,
decompressed, rotated, relocated or
blanked-out image data does not com-
plete within the specified period of
time.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
Page 521: ......