C4170-90959
Image Formation Troubleshooting
127
Loose Toner
Possible Cause Action
Dirt in the printer. 1) Print a few more pages to see if the problem
corrects itself.
2) Clean the inside of the printer. See “Engine
Cleaning” (page 62).
Paper might be too
smooth or too rough.
Check the paper (or other print media) type,
smoothness, and quality. See “Media
Troubleshooting” (page 134).
Defective Fuser. Replace the Fuser.
Toner Cartridge is
defective.
Replace the Toner Cartridge.
Repetitive Defects
Possible Cause Action
Dirty Rollers. Any dirty
roller in the paper path
may result in a
repetitive print defect.
Examine and clean rollers in the paper path. See
“Repetitive Defect Ruler” (page 132).
Paper does not meet
specifications. The
surface of the paper
may be too coarse,
causing repeated
marks.
Try a different paper lot. See “General Media
Specifications” (page 28).
Toner Cartridge is
damaged. The
circumference of the
photoconductive drum
inside the toner
cartridge is 94 mm
(3.7 inches). If the
defect repeats at this
interval, the defect is
associated with the
drum.
Inspect the drum for scratches or damage. Replace
the Toner Cartridge.
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