Kyocera FS-C8500DN Service Manual page 212

2KA
(8) A line appears laterally.
Copy example
Flawed drum.
Dirty developing section.
Leaking separation electrode.
Poor contact of grounding terminal of
drum unit.
(9) Dots appear on the image.
Copy example
Dirty or flawed drum.
Deformed or worn cleaning blade of
the drum unit.
Flawed developing roller.
Dirty fuser belt or press roller (inner
fuser unit).
(10) The leading edge of the image is consistently misaligned.
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
(11) The leading edge of the image is sporadically misaligned.
Copy example
Paper feed clutch 1/2, paper convey-
ing clutch, MP paper feed clutch, MP
paper conveying clutch or registration
clutch installed or operating incor-
rectly.
1-4-58
Causes
Causes
Causes
Causes
Check procedures/corrective measures
Replace the drum unit (see page 1-5-26).
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 1-5-21).
Check procedures/corrective measures
Perform the drum refresh operation (see page 1-3-117).
If the drum is flawed, replace the drum unit (see page 1-5-
26).
Replace the drum unit (see page 1-5-26).
Replace the developing unit (see page 1-5-25).
Replace the fuser unit (see page 1-5-31).
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 1-3-28).
registration (see page 1-3-24).
Check procedures/corrective measures
Check the installation position and operation of paper feed
clutch 1/2, paper conveying clutch, MP paper feed clutch, MP
paper conveying clutch and registration clutch. If any of them
operates incorrectly, replace it.