A Line Appears Laterally; One Side Of The Copy Image Is Darker Than The Other; Dots Appear On The Image; The Leading Edge Of The Image Is Consistently Misaligned With The Original - Kyocera TASKalfa 250ci Service Manual

2JZ/2JX/2JV/2H7

(8) A line appears laterally.

Copy example
Flawed drum.
Dirty developing section.
Leaking separation electrode.
Poor contact of grounding terminal of
drum unit.

(9) One side of the copy image is darker than the other.

Copy example
Defective exposure lamp.

(10) Dots appear on the image.

Copy example
Dirty or flawed drum.
Dirty contact glass.
Deformed or worn cleaning blade of
the drum unit.
Flawed developing roller.
Dirty fuser belt or press roller (inner
fuser unit).

(11) The leading edge of the image is consistently misaligned with the original.

Copy example
Registration clutch operating incor-
rectly.
Misadjusted the deflection in the
paper.
Misadjusted leading edge registration. Run maintenance mode U034 to readjust the leading edge
Misadjusted scanner leading edge
registration.
1-4-64
Causes
Causes
Causes
Causes
Check procedures/corrective measures
Replace the drum unit (see page 1-5-35).
Clean any part contaminated with toner or carrier in the
developing section.
Clean the separation electrode.
Check the mounting state of the image formation holder. If
any problem is found, repair it (see page 1-5-30).
Check procedures/corrective measures
Check if the exposure lamp light is distributed evenly to run
maintenance item U061. If not, replace the exposure lamp
(see page 1-3-35 and page 1-5-11).
Check procedures/corrective measures
Perform the drum refresh operation.
If the drum is flawed, replace the drum unit (see page 1-5-
35).
Clean the contact glass.
Replace the drum unit (see page 1-5-35).
Replace the developing unit (see page 1-5-34).
Replace the fuser unit (see page 1-5-41).
Check procedures/corrective measures
Check the installation of the registration clutch. If it operates
incorrectly, replace it.
Run maintenance mode U051 to readjust the deflection in
the paper (see page 1-3-29).
registration (see page 1-3-25).
Run maintenance mode U066 to readjust the scanner lead-
ing edge registration (see page 1-3-37).