2KR/2KS
1-4-51
(6) A black line appears longitudinally.
(7) A black line appears laterally.
(8) One side of the copy image is darker than the other.
(9) Black dots appear on the image.
Copy example
Causes
Check procedures/corrective measures
Dirty contact glass.
Clean the contact glass.
Dirty or flawed drum.
Perform the drum refresh operation. If the drum is flawed,
replace the drum unit (see page 1-5-25).
Deformed or worn cleaning blade.
Replace the drum unit (see page 1-5-25).
Dirty scanner mirror.
Clean the scanner mirror.
Dirty main charger wire.
Clean the wire or, if it is extremely dirty, replace it (see page
1-5-26).
Copy example
Causes
Check procedures/corrective measures
Flawed drum.
Replace the drum unit (see page 1-5-25).
Dirty developing section.
Clean any part contaminated with toner in the developing
section.
Leaking main charger housing.
Clean the main charger wire and grid.
Leaking separation electrode.
Clean the separation electrode.
Copy example
Causes
Check procedures/corrective measures
Dirty main charger wire.
Clean the wire or, if it is extremely dirty, replace it (see page
1-5-26).
Defective exposure lamp.
Check if the exposure lamp light is distributed evenly to run
maintenance item U061. If not, replace the exposure lamp
(see page 1-3-27 and page 1-5-12).
Copy example
Causes
Check procedures/corrective measures
Dirty or flawed drum.
Perform the drum refresh operation. If the drum is flawed,
replace the drum unit (see page 1-5-25).
Dirty contact glass.
Clean the contact glass.
Deformed or worn cleaning blade.
Replace the drum unit (see page 1-5-25).
Dirty drum separation claws.
Clean the drum separation claws.
Dirty the heat roller separation claws.
Clean the heat roller separation claws.
Содержание TASKalfa 420i
Страница 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 14: ...2KR 2KS This page is intentionally left blank ...
Страница 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Страница 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Страница 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Страница 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Страница 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Страница 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Страница 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Страница 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Страница 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Страница 491: ...INSTALLATION GUIDE FOR FAX System ...
Страница 507: ......
Страница 508: ......