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User Guide 59
Troubleshooting
Symptom: Dark spots or marks
There are dark spots or marks on the page in a random pattern.
Symptom: Unfused or partially fused image
The printed image is not fully fused to the paper and easily rubs off.
Possible causes and solutions:
The paper path may be contaminated with
toner. Print several blank sheets of paper to
remove the toner accumulations.
The Laser Print Cartridge may be defective.
Replace the Laser Print Cartridge.
The fuser may be defective. Replace the fuser
(in the Maintenance Kit).
The Bias Transfer Roll may be defective.
Replace the Bias Transfer Roll (in the
Maintenance Kit).
Possible causes and solutions:
The paper stock may be damp. Replace the
paper stock.
Heavy or unusual paper stock may be in the
tray. Replace that paper with approved media.
If you need to use heavy card stock, make sure
that the fuser temperature is set correctly for
that paper type; refer to the Advanced Features
and Troubleshooting Manual for more
information.
The fuser may be defective. Replace the fuser
(in the Maintenance Kit).
Make sure that the printer is located in the
recommended environment for temperature
(between 10 to 32 degrees C) and relative
humidity (between 15 percent to 85 percent).
Move the printer to a suitable area, away from
air conditioning vents, open loading docks, etc.
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