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5-6
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 matter 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 Toner low TK-20 Clean printer message is displayed and the indicator 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.
5.4. Print Quality Problems