2PV/2PW
1-4-30
(3) A specific color is printed solid.
(4) The back side gets dirty.
(5) Image is too light.
Print example Causes Check procedures/corrective measures
Defective charger roller unit
which corresponds to the
color causing the problem.
Replace the drum unit for the color that causes an error
(see page 1-5-21).
Laser of laser scanner unit for
solid color printing is ON.
Defective laser scanner unit.
Replace the laser scanner unit KM/CY
(see page 1-5-45).
Print example Causes Check procedures/corrective measures
Dirty secondary transfer roller. Clean the secondary transfer roller.
Dirty paper conveying path. Clean the paper conveying path.
Dirty heat roller and press
roller.
Clean the heat roller and press roller.
Print example Causes Check procedures/corrective measures
Defective
developing
bias output.
Defective developing unit. Replace the developing unit for the color that
causes an error (see page 1-5-19).
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-35).
Defective engine PWB. Replace the engine PWB (see page 1-5-27).
Defective drum unit. Decrease the surface potential by performing
the main charger adjustment (see page 1-3-
94).
When the problem is not cleared, replace the
drum unit (see page 1-5-21).
Defective
transfer
bias output.
Defective high voltage
PWB.
Replace the high voltage PWB (see page 1-5-
35).
Defective engine PWB. Replace the engine (see page 1-5-27).
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.
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