HP Color LaserJet Professional CP5220 Service Manual - Page 257

Problem The front of the page is dirty. Sample Repetitive horizontal lines Pages have flecks of toner Pages have one or more skewed color planes (can appear on the right or left side of the page) Cause The photosensitive drum is dirty. The fuser roller or pressure roller is dirty. Solution Replace the print cartridge. Execute a Pressure roller clean mode. If the dirt does not come off, replace the fuser. See Fuser on page 79. NOTE: Cleaning the fuser with HP tough paper provides better results than with plain paper. You might need to execute the cleaning process several times to remove all contaminates on the fuser. See repetitive image defect ruler. Clean the indicated roller. If the contaminate does not come off, replace appropriate roller or assembly. Execute a cleaning page to clean the contaminate off the fuser. The cleaning page may need to be run several time to clean the fuser. Do not replace the fuser. NOTE: Cleaning the fuser with HP tough paper provides better results than with plain paper. You might need to execute the cleaning process several times to remove all contaminates on the fuser. Remove, and then reinstall the print cartridge associated with the defect. ENWW Solve image-quality problems 245