2NP
1-4-80
(13) Paper is wrinkled.
(14) Image is off-set.
(15) Part of image is missing.
Print example
Causes
Check procedures/corrective measures
Paper curled.
Check the paper storage conditions.
Paper damp.
Check the paper storage conditions.
Defective pressure springs.
Replace the fuser unit (see page 1-5-17).
Print example
Causes
Check procedures/corrective measures
Deformed or worn cleaning
blade in the drum unit.
Replace the drum unit (see page 1-5-15).
Defective fuser unit.
Replace the fuser unit (see page 1-5-17).
Wrong types of paper.
Check if the paper meets specifications. Replace paper.
Print example
Causes
Check procedures/corrective measures
Paper damp.
Check the paper storage conditions.
Paper creased.
Replace the paper.
Drum condensation.
Perform the drum refresh operation.
Dirty or flawed drum.
Perform the drum refresh operation.
Flawed drum. Replace the drum unit (see page 1-5-15).
Dirty transfer belt.
Clean the transfer belt. Replace the intermidate transfer
unit if it is extremely dirty (see page 1-5-16).
Dirty transfer roller.
Clean the transfer roller. Replace the transfer roller unit if it
is extremely dirty (see page 1-5-16).
Print example
Causes
Check procedures/corrective measures
Wrong types of paper.
Check if the paper meets specifications, replace paper.
Flawed heat roller or press
roller.
Replace the fuser unit (see page 1-5-17).
Defective pressure springs.
Defective fuser heater.
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...