P ROBLEM S OLVING 7.9Poor Print Quality• Distribute the toner in toner cartridge (See page 6.1).• Adjust the ‘Density’ menu item setting (See page 3.12).• Clean the inside of the printer (See page 6.4).• Print a few more pages to see if the problemwill correct itself.• Clean the inside of the printer (See page 6.4).• Check the paper type and quality.• Check the paper type and quality.• Check the printers environment.• Install a new toner cartridge.• Check the printer cable connections.The vertical lines areprinted on the page.Print is too light.There are tonerspeckles.The printerdrops letters.• Heavy printing may lead to toner accumulationgon the pressure foller of the fuser assembly. Theaccumulated toner may melt and transfer ontothe back side of the paper.• Select ‘FUSER CLEAN’ in the JOB MENU.• Selecting ‘FUSER CLEAN’ will rotate the motorfor about 10 seconds and print one page of aspecified pattern for fuser cleaning and then stop.Dirty spots on theback side of paperof fuser ass’ycontamination.Problem Solution
