HP 220240 - Manual (Page 138)

Table 6–5 (Cont.): Common Operating Problems
Problem Possible Cause Corrective Action
POOR PRINTING
Large amounts of
vertical fade and/or
white streaks are
on the page.
Toner is not being
dispersed evenly.
Remove the EP-S cartridge from
the printer and gently rock it
several times to redistribute
toner (see Section 7.3).
Replace the EP-S cartridge (Sec-
tion 7.3).
Small amounts of
fading occur across
the page.
The transfer corona
wire is dirty.
Clean the transfer corona wire
(Section 7.1.3).
Vertical black streaks
occur on the page.
The primary corona
wire is dirty.
Clean the primary corona wire
(Section 7.1.2).
Printing is too
light.
The print density
setting is incorrect.
Adjust the print density setting
(Section 2.11).
The primary and
transfer corona wires
are dirty.
Clean the primary and transfer
corona wires (Section 7.1.2 and
Section 7.1.3).
The primary corona
wire is faulty.
Replace the EP-S cartridge
(Section 7.3).
The transfer corona
wire is faulty.
Call your Digital service represen-
tative to repair the printer (Chap-
ter 8).
Printing is too
dark.
The print density
setting is incorrect.
Adjust the print density setting
(Section 2.11).
The page printed
blank.
The toner seal was not
completely removed
from the EP-S cartridge.
Remove the toner seal completely
from the EP-S cartridge.
The EP-S cartridge is
faulty.
Replace the EP-S cartridge
(Section 7.3).
The page printed
black.
The primary corona
wire is broken or is
not making contact.
Be sure the EP-S cartridge is
seated properly in the printer.
Replace the EP-S cartridge
(Section 7.3).
Stray toner is fused
to the paper.
The printer is dirty. Clean the printer (Section 7.1).
6–10 Operator’s Guide