5.4. Print Quality Problems
5-4
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.
