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44 Phaser 1235 Color Printer
Dark Vertical Lines
Black or colored
vertical lines that streak
the page.
■ A light emitting diode
(LED) bar is dirty.
■ If the problem occurs
in only one color, an
imaging drum may be
scratched, dirty or
damaged.
■ Dry toner is on the
Fuser rollers.
■ Clean each of the LED
bars
(a) using the
cleaning pad
supplied with the
toner cartridge, or an
alcohol wipe from the
Cleaning Kit.
■ Remove and inspect
the imaging drum of
the problem color.
Replace it if any
scratches or damage
are visible.
■ Print blank pages
until the lines
disappear. If they do
not disappear,
replace the Fuser.
Light Vertical Lines
Light areas (without
color or the wrong
color) that streak the
page.
■ An LED bar is dirty.
■ If the problem occurs
in only one color, an
imaging drum may be
scratched, dirty or
damaged.
■ Clean each of the LED
bars
(a) using the
cleaning pad
supplied with the
toner cartridge, or an
alcohol wipe from the
Cleaning Kit.
■ Replace the
corresponding
imaging drum.
Print Defects and Potential Remedies
Print Quality Problem Common Causes Potential Remedies
0730-45
a
0730-46
0730-47
a
0730-46
Print Quality