Vertical Black Line And Band; Vertical White Line - Xerox Phaser 3300 Servce Manual

Print-Quality Troubleshooting

Vertical Black Line and Band

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer

Vertical White Line

Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
5-10
Straight thin black vertical line occurs in the printing.
Dark black vertical band occur in the printing.
Check and Cause
Damaged develop roller in the print
cartridge.
Deformed Doctor-blade.
Scratched surface of the charge roller in
the print cartridge.
Partial depression or deformation on the
surface of the transfer roller.
White vertical voids in the image.
Check and Cause
Foreign matter stuck onto the window
or internal lenses of LSU mirror.
Foreign matter or toner particles
between the developer roller and blade.
(If the print cartridge is at or near end-
of-life, white lines or light image occur
in front of the image.)
It may occur when a burr and foreign
substances are on the window of the
print cartridge frame.
If the fuser is defective, voids occur
periodically at the top of a black image.
Solution
If causes 1 and 2 occur in the print
cartridge, replace the print cartridge and
try to print out.
Replace the transfer roller if occurred as
No. 3.
Solution
Foreign matter stuck onto the window:
Clean the LSU window with
recommended cleaner (IPA) Clean the
window with a clean cotton swab.
Foreign matter in the LSU: Open the
cover of LSU and clean with a cotton
swab on the surface of the reflex mirror.
Remove the foreign matter and burr of
the exposure window. (Print Cartridge)
Open the front cover and check ribs that
correspond to the position of the voids.
Remove if found.
If the problems are not solved, replace
the print cartridge.
Phaser 3300MFP Service Manual