230 Troubleshooting EN
Image defects
The quality of the printer output is subject to the judgment of the user. This section of the manual
helps you define print quality defects and understand what factors affect print quality.
The print samples shown in the following tables illustrate some print quality defects. For future
reference, retain copies of print quality defects encountered in the field with an explanation of their
causes.
The image defects listed below are covered in the following tables.
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Black page (page 231)
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Blank spots (page 233)
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Creases (page 233)
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Curl (page 234)
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Contamination on back (page 234)
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Distorted image (page 235)
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Dropouts (page 235)
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Faded print/bubbles (page 235)
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Gray background (page 236)
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Horizontal black lines (page 236)
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Horizontal smudges (page 237)
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Horizontal white lines (page 237)
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Light print, dark print, or fade (page 238)
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Loose toner (page 239)
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Repetitive defects (page 239)
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Skew (page 239)
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Toner smear (page 240)
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Toner specks (page 240)
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Vertical black lines (page 241)
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Vertical dots (page 241)
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Vertical white lines (page 241)
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Repeating image (page 242)
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Misformed characters (page 242)
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Tire tracks (page 242)
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White spots on black (page 243)
Hint If you find a defect that is not depicted, record the probable cause along with the conditions in the
printing environment and save a copy of the defect for future reference.
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