HP LaserJet M9059 Multifunction Printer series - Manual (Page 224)

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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 161 .
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 236 .
7. Replace the print cartridge.
210 Chapter 12 Problem solve ENWW