Part Of Image Is Missing; Gray Background - Kyocera FS-1060DN Service Manual

(3) Part of image is missing.

Print example
Defective
developer
bias output.
Dirty or flawed drum.
Defective
transfer
bias output.
Dirty transfer roller.
Insufficient agitation of toner container.
Paper damp.

(4) Gray background

Print example
Main charge voltage setting.
Defective potential on the drum surface.
Defective
laser scan-
ner unit.
Defective
developer
bias output.
Causes
Defective developer unit.
Defective high voltage
PWB.
Defective main PWB.
Defective high voltage PWB Replace the high voltage PWB
Defective main PWB.
.
Causes
Defective laser output.
Defective developer unit.
Defective high voltage
PWB.
Defective main PWB.
Check procedures/corrective measures
Replace the developer unit (see page 2-4-10).
Replace the high voltage PWB
(see page 1-5-7).
Replace the main PWB (see page 1-5-7).
Perform the drum refresh (see page 1-3-11).
Flawed drum. Replace the drum unit (see
page 2-4-11)
(see page 1-5-7).
Replace the main PWB (see page 1-5-7).
Clean the transfer roller. Replace the transfer
roller if it is extremely dirty (see page 2-4-12).
Shake the toner container vertically approxi-
mately 10 times.
Check the paper storage conditions, replace
the paper.
Check procedures/corrective measures
The main charge voltage may be set too high.
Try adjusting the main charge voltage
(see page 1-3-11).
Replace the drum unit (See page 2-4-11).
* : Check the rank of the drum before
exchange (see page 1-3-13).
Replace the laser scanner unit
(see page 1-5-12).
Replace the developer unit (see page 2-4-10).
Replace the high voltage PWB
(see page 1-5-7).
Replace the engine PWB (see page 1-5-7).
1-4-10
2M2/2M3