Image Is Too Light; Background Is Visible; A White Line Appears Longitudinally; A Black Line Appears Longitudinally - Kyocera Copystar CS-2035 Service Manual

2HA/2HB

(3) Image is too light.

Copy example
Insufficient toner.
The transfer voltage is not output
properly.
Dirty main charger wire.
Dirty main charger grid.

(4) Background is visible.

Copy example
The developing bias voltage is not
properly.
Dirty main charger wire.

(5) A white line appears longitudinally.

Copy example
Dirty main charger wire.
Foreign matter in the developing unit.
Dirty shading plate.

(6) A black line appears longitudinally.

Copy example
Dirty contact glass.
Dirty or flawed drum.
Dirty scanner mirror.
Dirty main charger wire.
1-4-22
Causes
Causes
Causes
Causes
Check procedures/corrective measures
If the add toner indicator lights, replace the toner container.
Clean or check the transfer roller (see page 1-5-27).
Clean the main charger wire or, if it is extremely dirty, replace
the main charger unit (see page 1-5-25).
Clean the main charger grid or, if it is extremely dirty, replace
the main charger unit (see page 1-5-25).
Check procedures/corrective measures
Replace the high voltage PWB and check for correct opera-
tion.
Clean the main charger wire or, if it is extremely dirty, replace
the main charger unit (see page 1-5-25).
Check procedures/corrective measures
Clean the main charger wire or, if it is extremely dirty, replace
the main charger unit (see page 1-5-25).
Check if the magnetic brush is formed uniformly. Replace the
developing unit if any foreign matter (see page 1-5-26).
Clean the shading plate.
Check procedures/corrective measures
Clean the contact glass.
Clean the drum or, if it is flawed, replace the drum unit (see
page 1-5-23).
Clean the scanner mirror.
Clean the main charger wire or, if it is extremely dirty, replace
the main charger unit (see page 1-5-25).