Kyocera TASKalfa 3550ci - (3) Image is too light.; (4) The background is colored.

2LK/2LN/2LM/2LC
1-4-95
(3) Image is too light.
(4) The background is colored.
Print example Causes Check procedures/corrective measures
Defective
developer
bias output.
Defective developer unit. Run maintenance mode U089 to output four-
color bar PG, check the output status of the
four colors, and replace the developer unit for
any faulty color (see page 1-5-36).
Defective high voltage PWB
1.
Replace the high voltage PWB 1
(see page 1-5-59).
Defective engine PWB. Replace the engine PWB (see page 1-5-54).
Dirty drum unit. Perform the drum refresh.
Defective
transfer
bias output.
Defective high voltage PWB
2.
Replace the high voltage PWB 2
(see page 1-5-60).
Defective transfer belt unit. Replace the transfer belt unit (see page 1-5-
41).
Defective engine PWB. Replace the engine PWB (see page 1-5-54).
Defective color calibration. Perform the color calibration (Refer to opera-
tion guide).
Insufficient toner. If the display shows the message requesting
toner replenishment, replace the container.
Insufficient agitation of toner container. Shake the toner container vertically approxi-
mately 10 times.
Paper damp. Check the paper storage conditions, replace
the paper.
Print example Causes Check procedures/corrective measures
Defective
developer
bias output.
Defective developer unit. Run maintenance mode U089 to output four-
color bar PG, check the output status of the
four colors, and replace the developer unit for
any faulty color (see page 1-5-36).
Defective high voltage PWB
1.
Replace the high voltage PWB 1
(see page 1-5-59).
Defective engine PWB. Replace the engine PWB (see page 1-5-54).
Defective color calibration. Perform the color calibration (Refer to opera-
tion guide).