HP LaserJet M9040/M9050 MFP - User Guide

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Figure 12-73 Lines
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1. Print a few more pages to see if the problem corrects itself.
2. Clean the inside of the device and run a cleaning page. See
Clean the MFP on page 170.
3. Replace the print cartridge.
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Figure 12-74 Gray background
1. Do not use media that has already been run through the device.
2. Try using a different type of media.
3. Print a few more pages to see if the problem corrects itself.
4. Turn over the stack in the tray. Also, try rotating the stack 180°.
5. Open the Administration menu at the device control panel. On the Print Quality menu, increase the
Toner Density setting. See
Print Quality menu on page 42.
6. Make sure that the environmental specifications for the device are being met. See
Operating
environment on page 252.
7. Replace the print cartridge.
220 Chapter 12 Problem solve ENWW