Image defects
If specific defects occur repeatedly, print a Print Quality Troubleshooting page and follow the
instructions on the page. If you are unable to resolve the problem, use the information in this
section to identify the root cause of the problem.
Image defects fall into the categories listed in
Table 7-18. Image defects. Possible causes
and recommended solutions for each of these categories are listed in the tables that follow.
In general, the items are listed in order from minor repairs to major repairs. Check the items
in the order in which they appear.
Table 7-18. Image defects
Image defect Description More information
Light image A very light image is printed. See Table 7-19. Causes for
light images.
Light color One color is light in an image. See Table 7-20. Causes for
one color printing light.
Dark image A very dark image is printed. See Table 7-21. Causes for
dark images.
Dark color One color is dark in an image. See Table 7-22. Causes for
one color printing dark.
Completely blank No image is printed. See Table 7-23. Causes for a
completely blank image.
All black/solid color An all black or solid colored
image is printed.
See Table 7-24. Causes for an
all black or solid colored image.
Dots in vertical lines Vertical lines of white dots
appear in the image.
See Table 7-25. Causes for
vertical lines of white dots.
Dirt on back of paper The back (non-printed) side of
the paper is dirty.
See Table 7-26. Causes for dirt
on the back of the paper.
Dirt on front of paper The front (printed) sided of the
paper is dirty.
See Table 7-27. Causes for dirt
on the front of the paper.
Vertical lines Vertical lines are printed. See Table 7-28. Causes for
vertical lines.
White vertical lines White vertical lines appear in
the image.
See Table 7-29. Causes for
white vertical lines.
Horizontal lines Horizontal lines are printed. See Table 7-30. Causes for
horizontal lines.
White horizontal lines White horizontal lines appear in
the image.
See Table 7-31. Causes for
white horizontal lines.
Missing color One of the four toner colors is
not printed.
See Table 7-32. Causes for a
missing color.
Blank spots The image has blank spots. See Table 7-33. Causes for
blank spots.
356 Chapter 7 Troubleshooting ENWW
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