Printer does not duplex pages. Make sure Duplex is selected in both the Finishing Menu and in theprinter driver.Make sure you have enough printer memory installed.Solving print quality problemsProblem ActionPrint is too light. The toner may be low. To utilize the remaining toner, remove thecartridge by gripping the handles with both hands. With the cartridgearrows pointing downward, gently shake the toner cartridge back andforth. Reinstall the cartridge and then press Go.Change the Toner Darkness setting in the Quality Menu.If you are printing on an uneven print surface, change the Paper Weightand Paper Texture settings in the Paper Menu. See Paper Type.Verify that the correct print media is being used.Toner smears or printcomes off the page.If you are printing on an uneven print surface, change the Paper Weightand Paper Texture settings in the Paper Menu. See Paper Type.Verify that the print media is within the printer specifications. See Printmedia supported for more details.If the problem continues, turn the printer off and contact Dell atsupport.dell.com.Toner appears on the backof the printed page.Toner is on the transfer roller. To help prevent this, do not load print mediathat is smaller than the page size of the job to be printed.Open and close the printer upper front door to run the printer setup cycle andclean the transfer roller.Toner fog or backgroundshading appears on thepage.Check the toner cartridge to make sure it is installed correctly.Change the toner cartridge. See Replacing the toner cartridge for moredetails.If the problem continues, change the charge roll. See Replacing thecharge roll for more details.
