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Solve image-quality problems
Occasionally, you might encounter problems with print quality. The information in the following sections
helps you identify and resolve these issues.
Print quality examples
Some print quality problems arise from low or very low cartridges or other supplies. The solution is to
replace the low or very low supplies.
Some print quality problems arise from use of inappropriate paper.
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Use paper that meets HP paper specifications.
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The surface of the paper is too rough. Use paper that meets HP paper specifications.
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The printer driver setting or paper tray setting might be incorrect. Be sure that you have configured
the paper tray at the product control panel and have also selected the correct driver setting for the
paper that you are using.
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The print mode might be set incorrectly, or the paper might not meet recommended specifications.
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The transparencies you are using are not designed for proper toner adhesion. Use only
transparencies designed for HP Color LaserJet products.
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The moisture content of the paper is uneven, too high, or too low. Use paper from a different
source or from an unopened ream of paper.
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Some areas of the paper reject toner. Use paper from a different source or from an unopened
ream of paper.
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The letterhead you are using is printed on rough paper. Use a smoother, xerographic paper. If this
solves your problem, consult with the printer of your letterhead to verify that the paper used meets
the specifications for this product.
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Several optimize print modes can be used to address print quality issues. See the print modes
section of this manual.
If you are having problems with light streaks in an image, use the Administration menu to print the
supplies status page. If none of the cartridges has reached its estimated end of life, remove the
cartridges from the product, and then reinstall them. The product initiates a cleaning mechanism that
might correct the light streaks.
The following examples depict letter-size paper that has passed through the product short-edge first.
These examples illustrate problems that would affect all the pages that you print, whether you print in
color or in black only. The topics that follow list the typical cause and solution for each of these
examples.
524 Chapter 3 Solve problems ENWW