HP LaserJet Professional P1100 Printer series - User Guide

Solve image-quality problems
You can prevent most print-quality problems by following these guidelines.
●
Use paper that meets HP specifications. See
Paper and print media on page 29.
●
Clean the product as necessary. See
Clean the product on page 63.
Image defect examples
This section provides information about identifying and correcting print defects.
NOTE: If these steps do not correct the problem, contact an HP-authorized dealer or service representative.
Light print or faded
●
Redistribute the toner to extend the life.
●
The print cartridge is nearing end of life. Install a new
genuine HP print cartridge.
●
The media might not meet HP's media specifications (for
example, the media is too moist or too rough).
●
If the whole page is light, the print density adjustment is too
light or EconoMode might be turned on. Adjust the print
density, and disable EconoMode in the product Properties.
Toner specks
●
The media might not meet HP's media specifications (for
example, the media is too moist or too rough).
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The product might need to be cleaned.
●
The print cartridge might be defective. Install a new genuine
HP print cartridge.
Dropouts
●
A single sheet of media might be defective. Try reprinting
the job.
●
The media moisture content is uneven or the media has
moist spots on its surface. Try printing with new media.
●
The media lot is bad. The manufacturing processes can
cause some areas to reject toner. Try a different type or
brand of media.
●
The print cartridge might be defective. Install a new genuine
HP print cartridge.
84 Chapter 8 Solve problems ENWW