HP LaserJet M4349 Multifunction Printer series - Manual (Page 219)

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 48 .
6. Make sure that the environmental specifications for the device are being met. See Printing and
paper-storage environment on page 77 .
7. Replace the print cartridge.
Toner smear
1. Print a few more pages to see if the problem corrects itself.
2. Try using a different type of media.
3. Make sure that the environmental specifications for the device are being met. See Printing and
paper-storage environment on page 77 .
4. Clean the inside of the device and run a cleaning page. See Clean the device on page 156 .
5. Replace the print cartridge.
Also see Loose toner on page 205 .
Loose toner
Loose toner, in this context, is defined as toner that can be rubbed off the page.
1. If media is heavy or rough, open the Administration menu at the device control panel. On the Print
Quality submenu, select Fuser Modes , and then select the media type you are using.
2. If you have observed a rougher texture on one side of your media, try printing on the smoother
side.
3. Make sure that the environmental specifications for the device are being met. See Printing and
paper-storage environment on page 77 .
4. Make sure that type and quality of the media you are using meet HP specifications. See Select
print media on page 72 .
ENWW Solve print-quality problems 205