2NP
1-4-79
(11) The leading edge of the image is consistently misaligned with the original.
(12) The leading edge of the image is sporadically misaligned with the original.
Print example
Causes
Check procedures/corrective measures
Dirty contact glass.
Clean the contact glass.
Dirty or flawed drum.
Perform the drum refresh operation.
Flawed drum. Replace the drum unit (see page 1-5-15).
Deformed or worn cleaning
blade in the drum unit.
Replace the drum unit (see page 1-5-15).
Flawed developer roller.
Replace the developer unit (see page 1-5-13).
Dirty heat roller and press
roller.
Clean the heat roller and press roller.
Print example
Causes
Check procedures/corrective measures
Scanner moves erratically.
Check if there is any foreign matter on the front and rear
scanner rails. If any, remove it.
Deformed press roller.
Replace the fuser unit (see page 1-5-17).
Paper conveying section drive
problem.
Check the gears and belts and, if necessary, grease them.
Print example
Causes
Check procedures/corrective measures
Misadjusted leading edge reg-
istration.
Run maintenance mode U034 to readjust the leading edge
registration (see page 1-3-37).
Misadjusted scanner leading
edge registration.
Run maintenance mode U066 to readjust the scanner
leading edge registration (see page 1-3-46).
Print example
Causes
Check procedures/corrective measures
Paper feed clutch, registra-
tion clutch or duplex clutch
operating incorrectly.
Check the installation of the clutch. If it operates incor-
rectly, replace it.
Содержание TASKalfa 2551ci
Страница 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
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Страница 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Страница 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Страница 473: ...2NP 1 5 62 This page is intentionally left blank ...
Страница 496: ...2NP 2 1 21 Figure 2 1 25 Duplex conveying section block diagram EPWB DU_SW DU_CL_REM YC25 3 YC24 3 DUCL DUS ...
Страница 497: ...2NP 2 1 22 This page is intentionally left blank ...
Страница 544: ...2NP 2 3 37 2 3 5 IH PWB Figure 2 3 5 IH PWB silk screen diagram YC1 1 2 YC8 1 3 YC6 2 1 YC4 6 1 YC3 YC10 YC9 ...
Страница 555: ...2NP 2 3 48 This page is intentionally left blank ...
Страница 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Страница 620: ...DP 773 Document processor Installation Guide ...
Страница 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Страница 654: ...PF 810 3000 sheets deck Installation Guide ...
Страница 667: ...DF 770 D Document finisher Installation Guide ...
Страница 685: ...AK 740 Bridge unit Installation Guide ...
Страница 687: ...PH 7A C D Punch unit Installation Guide ...
Страница 708: ...DT 730 B Document tray Installation Guide ...
Страница 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 ...
Страница 711: ...FAX System W B Installation Guide ...