HP LaserJet Enterprise MFP M430, M431 User Guide

Table Of Contents
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 specic image defects, see Troubleshoot image defects.
Update the printer
rmware
Try upgrading the printer rmware.
For instructions, go to www.hp.com/support.
Print from a
dierent software program
Try printing from a dierent 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.
Check the paper type setting on the control panel
Check the paper type setting on the printer control panel, and change the setting as needed.
1. Open and close the paper tray.
2. Follow the control panel prompts to conrm or modify the paper type and size settings for the tray.
3. Make sure the paper loaded meets specications.
4. Adjust the humidity and resistance setting on the control panel to match the environment.
a. Open the following menus:
i. Settings
ii. Copy/Print
182
Chapter 9 Solve problems