2KN/2KP
1-4-56
(13) Paper creases.
(14) Offset occurs.
(15) Image is partly missing.
Copy example
Causes
Check procedures/corrective measures
Paper curled.
Check the paper storage conditions.
Paper damp.
Check the paper storage conditions.
Defective pressure nuts.
Tighten the fuser pressure nuts.
Defective separation.
Check the heat roller separation claws.
Copy example
Causes
Check procedures/corrective measures
Defective cleaning blade.
Replace the cleaning blade.
Wrong types of paper.
Check if the paper meets specifications.
Also check if the specifying the paper type of machine
default is proper (see page 1-3-101).
The paper is not loaded correctly.
Load the paper correctly.
Defective fuser section.
Check the heat roller and press roller.
Decrease of surface potential.
Run the maintenance item U100 (see page 1-3-41).
If the problem is not solved, clean the main charger wire.
Copy example
Causes
Check procedures/corrective measures
Paper damp.
Check the paper storage conditions.
Paper creased.
Replace the paper.
Drum condensation.
Clean the drum.
Flawed drum.
Replace the drum (see page 1-5-44).
Flawed transfer belt.
Replace the transfer unit (see page 1-5-49).
Dirt on the back surface of the contact
glass and on the surface of the scanner
mirror.
Clean the contact glass and scanner mirror.
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
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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 ...
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