Kyocera ECOSYS FS-3140MFP, Руководство по обслуживанию

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2LW/2LX
1-4-18
(6) Black vertical streaks.
(7) Unsharpness.
(8) Gray background.
Print example Causes Check procedures/corrective measures
Flawed main charger roller Replace the main charger unit (see page 1-5-26).
Defective drum unit. A streak of toner remaining on drum after printing means
that the cleaning blade (in the drum unit) is not working
properly. Replace the drum unit (see page 1-5-26).
Defective developing roller
(developing unit). Replace the developing unit (see page 1-5-25).
Print example Causes Check procedures/corrective measures
Defective paper specifica-
tions. Replace paper with the one that satisfies the paper specifi-
cation.
Defective transfer roller instal-
lation. The transfer roller must be supported by the bushes at the
both ends. Clean the bush to remove oil and debris.
Replace the transfer roller if necessary (see page 1-5-27).
Poor contact of engine PWB’s
transfer bias output terminal
and machine’s contact
(spring). Check the installation position of the engine PWB.
See page 1-4-15, refer to figure 1-4-5.
EcoPrint mode setting. The EcoPrint mode can provides faint, unsharp printing
because it acts to conserve toner for draft printing purpose.
For normal printing, turn the EcoPrint mode off by using
the operator panel. For details, refer to the operation
guide.
Print example Causes Check procedures/corrective measures
Print density setting. The print density may be set too high. Try adjusting the
print density. For details, refer to the operation guide.
Defective potential on the
drum surface. Replace the drum unit (see page 1-5-26).
Defective main charger unit. Replace the main charger unit (see page 1-5-26).
Defective developing roller
(developing unit). Replace the developing unit (see page 1-5-25).
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