Xerox 8500DN Service Manual - Page 103

31,0XX.6x Errors - Program Faults Error Messages and Codes 1. Reset NVRAM, and then retest. 2. Ensure ground integrity for the printer (see "Ensuring Ground Integrity" on page 4-65). 33,0XX.xx Errors - Tray Manager Device Faults 33,001.42: Tray 1 width value too low. 33,002.43: Tray 1 width value too high. Troubleshooting Procedure for Tray 1 Step Questions and Actions 1 Check the wiring and connectors from the Front Door to the I/O Board. Are the wires connected properly? 2 Run the Test Tray 1 Width Sensor test. Did the test pass? Yes Go to Step 2. No Replace the harness. Replace the I/O board. Replace the Front Door. 34,0XX.xx Errors - Printhead NVRAM Faults 34,001.43: An error occurred while attempting read/write access to the Printhead calibration partition in NVRAM. The Printhead cable may be unplugged. 34,002.44: An error occurred while attempting read/write access to the Printhead ink data partition in NVRAM. 34,003.45: An error occurred while attempting read/write access to the Printhead data partition in NVRAM. 34,004.46: An error occurred while accessing the Printhead NVRAM hardware for the purpose of initialization. The Printhead cable may be unplugged. Troubleshooting Procedure for Printhead NVRAM Step Questions and Actions Yes 1 Check and reseat all wiring to the Printhead. Complete. Did this correct the problem? No Replace in this order: ■ Printhead ■ Electronics Module Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-35