Troubleshooting the Printing System 7-57
Image Defects
The quality of the printer’s 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. Keep copies of print quality defects encountered in
the field with an explanation of their causes for future reference.
The image defects listed below are covered in the following tables.
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Black Page (page 7-58)
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Blank Page (page 7-59)
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Blank Spots (page 7-60)
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Creases (page 7-61)
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Curl (page 7-62)
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Contamination on Back (page 7-63)
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Distorted Image (page 7-64)
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Dropouts (page 7-65)
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Faded Print/Bubbles (page 7-65)
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Gray Background (page 7-66)
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Horizontal Black Lines (page 7-67)
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Horizontal Smudges (page 7-67)
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Horizontal White Lines (page 7-67)
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Light Print, Dark Print, or Fade (page 7-68)
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Loose Toner (page 7-69)
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Repetitive Defects (page 7-69)
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Skew (page 7-70)
●
Toner Smear (page 7-70)
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Toner Specks (page 7-71)
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Vertical Black Lines (page 7-71)
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Vertical Dots (page 7-72)
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Vertical White Lines (page 7-72)
For more information on the LaserJet 4000 / 4050 Visit www.PrinterSupplies.com 800-551-1943
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