Xerox 8500DN Service Manual - Page 104

Error Messages and Codes 36,000.40 Errors - Drum Maintenance Faults Troubleshooting Procedure for Drum Maintenance Step Questions and Actions Yes No 1 Ensure ground integrity (see "Ensuring Ground Integrity" on page 4-65). Did this correct the problem? Complete. Go to Step 2. 2 Ensure the Process Drive system is correctly homed as described in "Homing the Process Drive Train" on page 6-8. Complete. Go to Step 3. 3 1. Check the Drum Maintenance Pivot Plate Complete. for cracks. 2. Check the Drum Maintenance Camshaft rollers for damage or improper movement. 3. If the Drum Maintenance Pivot Plate or cam rollers are faulty, replace. Did this correct the problem? Go to Step 4. 4 Use Service Diagnostics to run the Drum Maintenance/Transfix Home test. Use Service Diagnostics to run the Drum Maintenance Drive test. If either test fails, replace the Process Drive. 36,001.67 Errors - Drum Maintenance Fault 1. Replace the Drum Maintenance Pivot Plate. 2. Replace the Drum Maintenance Kit. 36,002.44 Errors - Drum Maintenance Program Fault Printer can't write to Drum Maintenance Kit. 1. Ensure the Drum Maintenance Kit sits correctly in the Drum Maintenance Pivot Plate. 2. Replace the Drum Maintenance Kit. 3. Replace the Drum Maintenance Pivot Plate. 37,0XX.xx Errors - PEST Faults AC power supplied by power sources such as uninterruptible power supplies (UPSs) or DC-to-AC inverter systems may not supply correct voltage to properly power up the printer. Likewise, other devices sharing the same AC circuit can cause AC voltage sags that cause the printer to fail its AC heater PEST tests (Print Engine Self Test). The printer may produce any of the following disconnected heater errors: ■ Printhead jet-stack 37,002.47 or 37,003.48 3-36 Phaser 8400/8500/8550/8560 Color Printer Service Manual