Panasonic KX-P7310 Laser Printer - Page 152

Settings and Printing Maintenance and Spec. Trouble Possible Cause Horizontal lines appear A small dust is bitten in the in intervals of 94 mm gear of the photosensitive (3.7″). drum. 94 mm (3.7″) 94 mm (3.7″) Dust Network 30 Troubleshooting Corrective Action Remove the dust from the gear (see "Cleaning the Photosensitive Drum" on page 37). White and horizontal The drum unit is damaged. lines appear on the page. The toner cartridge is damaged. ABCD The toner cartridge is stored for a long period. (Try shaking to loosen toner.) Replace the drum unit. Replace the toner cartridge. Print several blank pages until the lines disappear. Try shaking to loosen toner. A black and vertical line appears on the page. Corona wire of the drum unit is dirty. ABCD The toner cartridge is damaged. The drum unit is damaged. The fuser unit is damaged. Clean the corona wire in the drum unit (see "Cleaning the Printer" on page 8). Replace the toner cartridge. Replace the drum unit. Display the Remote Control Panel and select Fuser Cleaning from the Tool menu to print a cleaning data (see "Remote Control Panel" on page 28 in "Settings and Printing"). If it is not recovered, call for service to replace the fuser unit.