Xerox 8500DN Service Manual - Page 83

7,0XX.4x Errors - Process Motor Gearbox Faults Error Messages and Codes 7,002.44: There is a problem with the process motor sub-system. The process motor stalled during operation. Troubleshooting Procedure for 7,002 Error Code Step Questions and Actions Yes No 1 Verify the Process Drive system is properly Complete. homed, see "Homing the Process Drive Train" on page 6-8. Did this resolve the problem? Go to Step 2. 2 Use Service Diagnostics to run the Tilt Axis Go to Step 3. Go to Step 4. Drive test. Did the test fail? 3 1. Check for and remove any obstructions in Replace the Go to Step 4. the Process Drive. Process Drive. 2. Ensure the Process Drive gears are correctly aligned. Are the gears damaged? 4 Use Service Diagnostics to run the Process Replace the Go to Step 5. Motor test. Process Drive. Did the test fail? 5 Use Service Diagnostics to run the Transfix Verify the Replace the Drive Slow test. transfix cams Process Did the test fail? are not Drive. damaged. Replace problem component. 7,006.xx: The Head Tilt Solenoid is not activating the Head Tilt Gear, or the Printhead is not tilting properly. Troubleshooting Procedure for 7,006 Error Code Step Questions and Actions 1 Ensure the Process Drive system is correctly homed as described in "Homing the Process Drive Train" on page 6-8. 2 Reboot the printer. Is the solenoid activating the Head Tilt Gear? 3 Is ink blocking Head Tilt Gear motion? Is the tilt-head latch properly installed? Yes No Is the problem Go to Step 2. fixed? Go to Step 4. Go to Step 3. Clean or reinstall the head-tilt and start over with Step 1. Go to Step 4. Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-15