Small classification Sample image Description
Fuzzy lines
Blurred images in the shape of
slightly winding bands in the paper
feed direction.
Roller tracks
Stains on the transport rollers
transferred to paper.
Large classification: Spots
An image quality problem either exhibiting white spots on solid areas, or black spots on the
background.
White spots and Fireflies are considered different issues as the former does not consist a core in the
center of the unprinted spot.
Middle classification: Spot
White spots seen in solid image areas or black/color spots seen where there should be nothing printed.
The description "white spots" excludes those with toner cores.
3. Troubleshooting Image Quality Problems
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