Xerox Phaser 8500 Service Manual

Phaser 8400/8500/8550/8560 Color Printer Service Manual 3-33
Error Messages and Codes
19,005.63: Wave Amplifier overcurrent. This error can occur in too-low
humidity environments. Printer self-resets.
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.
Troubleshooting Procedure for Printhead Calibration
Step Questions and Actions
Yes No
1 For 19,005.41 errors:
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?
Go to Step 2. Correct or
replace the
Ground Clip.
2 Check and reseat all wiring to the Printhead.
Did this correct the problem?
Complete. Replace in
this order:
■ Printhead
■ Electronics
Module

Xerox Phaser 8500 Specifications

General

Brand	Xerox
Model	Phaser 8500
Category	Printer
Language	English