4-26 Phaser 7500 Printer Service Manual
General Troubleshooting
Skewed Image
1. The image area is not parallel, Skewed, with the sides of the page but the
printer neither jams nor displays an error code.
2. Remove the tray and ensure the paper guides are set correctly.
3. Check that the correct type of media for the tray is being used.
4. Ensure that the tray has not been over filled. (Skewed images are a common
defect when Tray 1 (MPT) is overfilled.)
5. Check the paper path for scraps of paper or other debris.
6. Verify the Feed Rollers are installed correctly.
7. Clean the Feed Rollers with a clean, dry, lint-free wipe.
8. Troubleshoot the pick assembly.
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 page at various points in the media path to determine where the
media becomes damaged.
2. Try using the next heaviest type of paper.
3. Feed paper through the printer from each tray. 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.
4. If media shows damage from all trays, check for a problem in registration area
of the media path.
5. Inspect the tray and media path for debris or broken components.
Wrinkled Envelopes
Envelope wrinkling of varying severity can sometimes occur. In general, envelope
wrinkling is considered a laser technology limitation due to the fusing process
which relies on heat and pressure to bond toner to the media. The #10
Commercial envelopes are particularly susceptible to wrinkling.
Testing different manufacturer’s envelopes demonstrated that some brands of
#10 Commercial envelopes exhibit less wrinkling when loaded face down with the
flap oriented to the right side of Tray 1 (MPT) not the left as indicated on the tray
label.
1. Check the media path for obstructions or debris.
2. Check that the paper guides are set correctly.
3. Check that the Tray 1 (MPT) has not been over filled.
4. Test envelopes from other manufacturers to find the best result.
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