116 Chapter 6 Troubleshooting C4170-90959
Image Defect Tables
The quality of the printer’s output is subject to the judgment of the user. This section of the
manual helps define print quality defects and understand what factors affect print quality.
The print samples shown in the following figures 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.
• “Black Lines (vertical)” (page 117)
• “Black Page” (page 117)
• “Blank Page” (page 117)
• “Blank Spots” (page 118)
• “Character Voids” (page 119)
• “Creases” (page 120)
• “Curl” (page 120)
• “Dark Print” (page 121)
• “Dirt on Back” (page 121)
• “Distorted Image” (page 122)
• “Dropouts” (page 122)
• “Faded Print/Bubbles” (page 123)
• “Gray Background” (page 124)
• “Horizontal Black Lines” (page 125)
• “Horizontal Dots” (page 125)
• “Horizontal White Lines” (page 125)
• “Light Print” (page 126)
• “Loose Toner” (page 127)
• “Repetitive Defects” (page 127)
• “Skew” (page 128)
• “Toner Smear” (page 129)
• “Toner Specks” (page 130)
• “Vertical Smudges” (page 130)
• “Vertical White Lines” (page 131)
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