2K5
1-4-37
(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 platen.
Clean the platen.
Dirty or flawed drum.
Perform the drum refresh operation. If the drum is flawed,
replace the drum unit (see page 1-5-31).
Deformed or worn cleaning blade.
Replace the drum unit (see page 1-5-31).
Dirty scanner mirror.
Clean the scanner mirror.
Dirty main charger wire.
Clean the wire or, if it is extremely dirty, replace it (see page
1-5-33).
Copy example
Causes
Check procedures/corrective measures
Flawed drum.
Replace the drum unit (see page 1-5-31).
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
1-5-33).
Defective exposure lamp.
Check if the exposure lamp light is distributed evenly. If not,
replace the exposure lamp (see page 1-5-15).
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 1-5-31).
Dirty platen.
Clean the platen.
Deformed or worn cleaning blade.
Replace the drum unit (see page 1-5-31).
Dirty drum separation claws.
Clean the drum separation claws.
Dirty the heat roller separation claws.
Clean the heat roller separation claws.
Summary of Contents for TASKALFA 300I
Page 1: ...SERVICE MANUAL Published in February 2010 842K5111 2K5SM061 Rev 1 TASKalfa 300i ...
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Page 14: ...2K5 This page is intentionally left blank ...
Page 22: ...2K5 1 1 8 This page is intentionally left blank ...
Page 196: ...2K5 1 4 52 This page is intentionally left blank ...
Page 252: ...2K5 1 5 56 This page is intentionally left blank ...
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Page 347: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 369: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 381: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 391: ...INSTALLATION GUIDE FOR FAX System ...
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