Xerox 8500DN Service Manual - Page 101
XX.6x Errors - Waveform Program Faults
UPC - 095205022063
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Error Messages and Codes 19,005.63: Wave Amplifier overcurrent. This error can occur in too-low humidity environments. Printer self-resets. Troubleshooting Procedure for Printhead Calibration Step Questions and Actions Yes 1 For 19,005.41 errors: Go to Step 2. Check that the Ground Clip (650442700) is properly installed at the Y-Axis Motor mounting and contacts the metallic portion of the Pick Clutch. Is the Ground Clip properly installed? 2 Check and reseat all wiring to the Printhead. Complete. Did this correct the problem? No Correct or replace the Ground Clip. Replace in this order: ■ Printhead ■ Electronics Module 19,0XX.6x Errors - Waveform Program Faults 19,001.68 thru 19,039.61: Waveform Printhead calibration program faults. a. Reset NVRAM, and then retest. b. Replace the NVRAM chip. c. Replace the Printhead. 21,000.69 Errors - Diagnostic Code Version Mismatch The diagnostic firmware does not match the engine firmware. Update the diagnostic firmware for the printer. If a code updated ROM daughter board is installed on the main board, remove the board so the printer boots using the main board's code and diagnostics. 22,0XX.6x Errors - Jam Codes For jam codes, "Jam Codes" on page 3-48. 23,0XX.6x Errors - NVRAM Fault 1. Reset NVRAM, and then retest. 2. Replace the NVRAM. 26,0XX.6x Errors - Printing Faults Reboot the printer if one of these faults occur. Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-33