- 105 -6. TroubleshootingVertical Lines AppearCause Solution ReferenceThe toner is low. If "Toner Low" or "Toner Empty.Replace with new Toner Cartridge."appears, replace the toner cartridge.Replacing the Toner CartridgeThe image drum is damaged. Replace the image drum. Replacing the Image DrumThe paper guides are not properly set. Check the positions of the paperguides on the paper tray. Loading PaperHorizontal Lines and Spots Appear PeriodicallyCause Solution ReferenceIf lines or spots in a specific coloroccur in approximately 94 mm (3.7 in)intervals, the green tube of the imagedrum is damaged or dirty.Lightly wipe the image drum with asoft tissue paper.Replace the image drum if it isdamaged.Replacing the Image DrumIf lines or spots in various colors occurin approximately 94 mm (3.7 in)intervals, the fuser unit is damaged ordirty.Replace the fuser unit. Replacing the Fuser UnitIf the interval of lines or spots areapproximately 50 mm (2 inches),some parts inside of the belt unit arebroken.Replace the belt unit. Replacing the Belt UnitIf the intervals of lines or spots areapproximately 40mm (1.6inches) or58mm (2.3inches), the part in theimage drum is damaged.Replace the image drum. Replacing the Image DrumIf the intervals of lines or spots areapproximately 37 mm (1.5 inches),there may be foreign objects in theimage drum.Open and close the front cover, andthen print again.-If the intervals of lines or spots areapproximately 31mm (1.2inches), theresist roller is dirty.Open the front cover, and wipe theresist roller with a soft tissue paper. Cleaning the Resist RollerThe image drum has been exposed tolight.Place the image drum back into themachine, and then do not use for afew hours. If the problem persists,replace the image drum.Replacing the Image DrumThe paper feed path is dirty. Print a few test pages. Test Printing from the Printer
