TroubleshootingService Manual 7-157.3.11 Ghost (3)• Description White ghost occurs in the black image printing at 35.2 mm intervals.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer35.2 mmCheck and Cause Solution1. The life of the developer may be expired.2. The abnormal voltage and bad contact ofthe terminal of the supply roller1. Problem in the toner cartridge, replace thetoner cartridge and try to print out.2. Check the approved voltage of the supplyroller and contact of the terminal and adjustif necessary.7.3.12 Ghost (4)• Description Ghost occurs at 77.8 mm intervals.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer77.8 mmCheck and Cause SolutionThe temperature of the fuser is maintainedhigh.1. Disassemble the fuser and remove thecontaminated toner particles on the rollerand clean the foreign matter betweenThermistor and Heat roller.( Caution: can be deformed)7.3.13 Stains on the front of the page• Description The background on the face of the printed page is stained.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterCheck and Cause Solution1. Toner leakage due to improperly sealeddeveloper.2. If the transfer roller is contaminated, stainson the face of page will occur.1. Replace the toner cartridge.2. If the transfer roller is contaminated, run PCCleaning Mode Print 2 or 3 times.And perform Self-T est 2 or 3 times toremove contamination.