10-6 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Left-Side Wiring Diagram
The arrows indicate which connectors you should look at for the PEST codes.
The PEST codes are displayed on the Control Panel.
s8500-127
37023.4x Purge Valve
37022.4x
Purge Motor
37013.4x Electric Fan
J280 37032.4x
Y-Motor
J790 37062.4x
Head VSS
J390 37034.4x MP Motor
37021.4x MT Elevator
Channel (Connected to
Ground Strap)