Xerox Phaser 8500 - Inside Top - Printhead Wiring Diagram

10-10 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Inside Top - Printhead Wiring Diagram
The arrows indicate which connectors you should look at for the PEST codes.
The PEST codes are displayed on the Control Panel.
(8400 Only)
s8500-131
Heater Cable
Cable Restraint
Out of Ink
J180 32064.4x
J140 37063.4x Head VPP