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3-110
Phaser 7700 Color Laser Printer Service Manual
Missing Band in Direction of Paper Travel
There are areas of the image that
are extremely light or are missing
entirely. These missing areas form
wide bands that run along the page
from leading edge to trailing edge in
the direction of paper travel (B-size
print shown). The printer displays
no error code.
Note
A-size prints are processed
through the printer with the
short edge of the print
parallel to the direction of the
paper path -- making print
artifacts parallel to the short
edge of the print.
1.
Clean the laser windows with the
cleaning wand located in the
front door.
2.
Print the solid fill test pages.
From the front panel’s Printable
Pages Menu, select Service Pages, then select Print Solid Fill Pages.
3.
If the missing bands only occur in a single primary color, swap the print
cartridge.
4.
Replace the Developer Housing Assembly (RRP 27, on page 7-185).
5.
Replace the Laser Unit (RRP 38, on page 7-200).
3041-40
Leading Edge
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