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Phaser 7700 Color Laser Printer Service Manual
3-107
Damaged Prints
The printed page exits the printer either wrinkled, creased, or torn. The printer
neither jams nor displays an error code.
1.
Stop the paper in the paper path to determine where the media becomes
damaged.
2.
Feed paper through the printer from each of the available trays. Is the
paper damaged when fed out of one tray but not when fed out of the
others? If so, inspect the tray for damage, ensure that the media guides are
set correctly and verify that the proper media is being used.
3.
Feed paper from the multi-purpose tray. Is the paper damaged when fed
out of multi-purpose tray? Inspect the multi-purpose tray for debris or
obviously broken components that could be damaging the paper as it feeds
out of the assembly and into the printer.
4.
Inspect the paper feeder for debris or broken components.
The following components are associated with this specific problem. One or
more of these components may have failed partially or completely. If you can
not isolate the problem, replace each component listed below, one at a time,
until the problem disappears.
■
Fuser
■
Accumulator Belt (usually appears with toner in creases or wrinkles).
Fuser Jams
1.
Is the paper in good condition and appropriate for a laser printer?
2.
Is Xerox Series-7700 transparency film being used.
3.
Is the printer printing within its environmental specifications?
4.
Ensure that the loaded media matches the front panel settings.
5.
Are the margins on the page greater than 3 mm?
6.
Check the fuser area for debris.
7.
Visually inspect the fuser baffle for burrs.
8.
Test the fuser motor using Service Diagnostics.
9.
Replace the Fuser (RRP 19, on page 7-174).
10.
Replace the Engine Control Board (RRP 42, on page 7-206).
Exit Jams
1.
Is the paper in good condition and appropriate for a laser printer? Is the
paper curling?
2.
Is the printer printing within its environmental specifications?
3.
Ensure that the loaded media matches the front panel settings.
4.
Is the jam caused by a heavy, stiff paper being used for two-sided printing?
In such cases, a lighter grade of paper should be used or face-up mode to
the side output tray should be used.
5.
Clean all the eject rollers with a clean, dry, lint-free wipe if debris is visible.
6.
Does the exit sensor flag properly actuate its sensor? Test the sensor using
Service Diagnostics.
7.
Replace the Engine Control Board (RRP 42, on page 7-206).
Summary of Contents for 7700DX - Phaser Color Laser Printer
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