43502101TH Rev.1 72 /Oki Data CONFIDENTIAL4 Black vertical belts or stripes• Perform the cleaning page function (see Section 4.2.2).• Has the problem been solved?• Yes End.• No Replace the image drum cartridge.• Has the problem been solved?• Yes EndNote: After replacing the image drum cartridge, reset the drum counter (see User'sManual).• Clean the LED lens array of the LED head.• Has the problem been solved?• Yes End.• No Replace the LED head.• Has the problem been solved?• Yes End• No Replace the main control board or high voltage/sensor board.5 Cyclical defectNotes: After replacing the image drum cartridge, reset the drum counter (see User's Manual).Frequency RemedyImage drumDeveloping rollerToner supply rollerCharging rollerCleaning rollerTransfer rollerHeat rollerBack-up rollerReplace or clean the image drum cartridge.Replace the image drum cartridge.Replace the image drum cartridge.Replace the image drum cartridge.Replace the image drum cartridge.Replace the transfer roller.Replace the fusing unit assy.Replace the back-up roller.3.71" (94.2mm)1.86" (47.12mm)2.96" (75.27mm)1.21" (30.63mm)0.93" (23.56mm)1.95" (49.6mm)2.44" (62.0mm)2.73" (69.4mm)
