5-12 Phaser 3300MFP Service ManualPrint-Quality TroubleshootingBlack/White SpotDark or blurry black spots occur periodically in the printing.White spots occur periodically in the printing.Light ImageThe printed image is light, with no ghost.Check and Cause SolutionIf dark or blurry black spots occurperiodically, the rollers in the PrintCartridge may be contaminated withforeign matter or paper particles.(Charge roller: 37.7 mm intervalOPC drum: 75.5 mm interval)Run OPC cleaning Mode Print and runthe Self-test 2 or 3 times.If faded areas or voids occur ina black image at intervals of 75.5 mm,or black spots occur elsewhere, the OPCdrum surface is damaged.In case of 75.5 mm intervalunremovable in 1, cleanly removeforeign substances stuck on the OPClocation equivalent to black spots andwhite spots with a dry duster.If a black image is partially broken, thetransfer voltage is abnormal or thetransfer roller's life has expired.The transfer roller guarantees 70.000sheets printing. If the roller's life isexpired, replace it.In case of 37.7 mm intervalunremovable in 1, take measures as toreplace the print cartridge and try toprint out.Clean the inside of the set against thepaper particles and foreign matter inorder not to cause the trouble.Check and Cause SolutionCheck if the Toner Save Mode is off. Set Toner Save Mode to OFF.Developer roller is stained when theprint cartridge is near end of life.Replace the print cartridge and try toprint out.Ambient temperature is below 10 °C. Wait 30 minutes after printer is poweredon before you start printing.Bad contact caused by the toner stainsbetween the high voltage terminal in theHVPS and the one in the set.Clean up the contaminated area by thetoner.Abnormal output from the HVPS. Replace the HVPS if the problems arenot solved by the above four directions.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer