Troubleshooting the Printing System 7-69
Table 7-25. Loose Toner
Possible Cause Action
Contamination in the
printer.
1. Print a few more pages to see if the problem
corrects itself.
2. Clean the inside of the printer (page 4-2) or use
the printer’s cleaning page (page 4-4).
Toner Cartridge is
defective.
Replace the Toner Cartridge.
Paper might be too
smooth.
Check the paper (or other print media) type and
quality.
Wrong Fuser setting
for paper type.
From the Paper Handling Menu on the Control
Panel, change the Fuser Mode setting or choose
another paper type from the printer driver.
Defective Fuser. Replace the Fuser.
Table 7-26. Repetitive Defects
Possible Cause Action
Contamination or
defect on a roller.
See “Repetitive Defect Ruler” on page 7-73.
For more information on the LaserJet 4000 / 4050 Visit www.PrinterSupplies.com 800-551-1943
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