HP Color LaserJet CP3520 Printer Series - Manual (Page 221)

Print-quality-troubleshooting pages
Use the built-in print-quality-troubleshooting pages to help diagnose and solve print-quality problems.
1. Press the Menu button .
2. Press the down arrow to highlight the DIAGNOSTICS menu, and then press the OK button.
3. Press the down arrow to highlight the PQ TROUBLESHOOTING setting, and then press the
OK button to print the pages.
The product returns to the Ready state after printing the print-quality-troubleshooting pages. Follow the
instructions on the pages that print out.
Set the image registration
If you are having problems with text aligning on the page, use the SET REGISTRATION menu to set
the image registration. For instructions, see
Set the duplex alignment on page 112 .
Correct problems with light streaks
If you are having problems with light streaks in an image, use the INFORMATION 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.
ENWW Solve image quality problems 209