HP Color LaserJet Enterprise M751n Laser Printer - Manual (Page 171)

Resolve print-quality problems
Introduction
Use the information below to troubleshoot print-quality problems, including issues with image quality and color
quality.
The troubleshooting steps can help resolve the following defects:
● Blank pages
● Black pages
● Colors that do not align
● Curled paper
● Dark or light bands
● Dark or light streaks
● Fuzzy print
● Gray background or dark print
● Light print
● Loose toner
● Missing toner
● Scattered dots of toner
● Skewed images
● Smears
● Streaks
Troubleshoot print quality
To resolve print-quality issues, try these steps in the order presented.
To troubleshoot specific image defects, see Troubleshoot image defects.
Update the printer firmware
Try upgrading the printer firmware.
Print from a different software program
Try printing from a different software program. If the page prints correctly, the problem is with the software
program from which you were printing.
Check the paper-type setting for the print job
Check the paper type setting when printing from a software program and the printed pages have smears, fuzzy
or dark print, curled paper, scattered dots of toner, loose toner, or small areas of missing toner.
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