Xerox 8500DN Service Manual - Page 90

Error Messages and Codes Troubleshooting Procedure for Wiper/Media Gearbox (Continued) Step Questions and Actions Yes No 6 Run the Wiper Alignment test (see "Wiper Go to Step 8. Go to Step 7. Alignment Procedure" on page 6-2). Did the test pass? 7 1. Inspect the wiper system for improper operation, obstructions, or damage Complete. (broken gear or belt). Look for ink in the Wiper Belt channels. 2. Ensure the wiper system is properly aligned (see "Wiper Alignment Procedure" on page 6-2). Did this correct the problem? Go to Step 8. 8 Run the Head Maintenance Clutch test. Did the test pass? Go to Step 9. Replace the Head Maintenance Clutch. 9 Is the head lock mechanism on the right end Go to Step 10. Replace the of the Exit Module functioning properly? Exit Module. 10 Are there obstructions or spilled ink on the Clean the Wiper Blade, the Head Tilt Gear drive path, inside of the or under the Printhead? printer and Is the Waste Tray overfilled? retest. 8,0XX.6x Errors - Program Faults 1. Reset NVRAM, and then retest. 2. Ensure ground integrity for the printer (see "Ensuring Ground Integrity" on page 4-65). 3-22 Phaser 8400/8500/8550/8560 Color Printer Service Manual