TroubleshootingSettings and Printing NetworkMaintenance and Spec.Maintenance and Spec. 30Horizontal lines appearin intervals of 94 mm(3.7″) .A small dust is bitten in thegear of the photosensitivedrum.Remove the dust from the gear(see “Cleaning thePhotosensitive Drum” on page37).White and horizontallines appear on the page.The drum unit is damaged. Replace the drum unit.The toner cartridge is damaged. Replace the toner cartridge.The toner cartridge is stored for along period.(Try shaking to loosen toner.)Print several blank pages until thelines disappear.Try shaking to loosen toner.A black and vertical lineappears on the page.Corona wire of the drum unit isdirty.Clean the corona wire in the drumunit ( see “Cleaning the Printer”on page 8 ).The toner cartridge is damaged. Replace the toner cartridge.The drum unit is damaged. Replace the drum unit.The fuser unit is damaged. Display the Remote Control Paneland select Fuser Cleaning fromthe Tool menu to print a cleaningdata (see “Remote ControlPanel” on page 28 in “Settingsand Printing”).If it is not recovered, call forservice to replace the fuser unit.Trouble Possible Cause Corrective Action94 mm(3.7″)94 mm(3.7″)DustABCD---------------------------------ABCD---------------------------------
