Xerox 4512N User Manual
Page 101

P r i n t Q u a l i t y P r o b l e m s
C h a p t e r 6 : T r o u b l e s h o o t i n g ❖ 6-9
Staining.
Paper quality problem.
Replace paper stock.
Paper feed surfaces or guide dirty.
Inspect and clean the paper path, as described
in the section “Cleaning the Paper Path”
(page 7-9).
Fusing unit dirty.
Replace the Cleaning Felt, as described in the
section “Replacing the Toner Cartridge and
Cleaning Felt” (page 7-2).
Photoconductor / Drum damaged.
If marks repeat at regular 95mm intervals, the
Photoconductor / Drum is damaged. Replace
the Photoconductor / Drum, as described in the
section “Replacing the Photoconductor /
Drum” (page 7-6).
Used Toner Cartridge from a
different printer installed.
Install a new Toner Cartridge, as described in
the section “Replacing the Toner Cartridge
and Cleaning Felt” (page 7-2).
Vertical lines.
Main corotron dirty.
Clean the main corotron, as described in the
section “Cleaning the Corotron Wires”
(page 7-10).
Paper feed surfaces or guide dirty.
Inspect and clean the paper path, as described
in the section “Cleaning the Paper Path”
(page 7-9).
Fusing unit dirty.
Replace the Cleaning Felt, as described in the
section “Replacing the Toner Cartridge and
Cleaning Felt” (page 7-2).
Photoconductor / Drum damaged.
Replace the Photoconductor / Drum, as
described in the section “Replacing the
Photoconductor / Drum” (page 7-6).
Table 6.2
Print quality problems (continued)
Problem
Possible Cause(s)
Corrective Action(s)
Table 6.2 Page 2 of 7