Dropouts, Horizontal Streaks, Stray Dots; Black Or White Vertical Streaks - Kyocera FS-6900 User Manual

5.4. Print Quality Problems

Dropouts, horizontal streaks, stray dots

Clean the charger wire.
Open the printer side cover. Pull the green main charger wire cleaning knob slowly in and
out a few times. See Section 4.2.
Note the spacing of the defects.
If the defects occur at regular intervals, the problem may be due to a scratch or foreign mat-
ter on the drum, fuser roller, or transfer roller inside the printer. Call for the assistance of
a service person.

Black or white vertical streaks

Check the control panel.
If the 7RQHUýORZý7.ðëíý&OHDQýSULQWHU message is displayed and the
indica-
tor is flashing, install a new toner kit. See Section 4.1.
Clean the charger wire.
Open the printer side cover. Pull the green main charger wire cleaning knob slowly in and
out a few times. See Section 4.2.
Call for the assistance of a service person.
If the above checks do not solve the problem, call for the assistance of a service person.
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