Ensuring Ground Integrity - Xerox Phaser 8400 Service Manual

Ensuring Ground Integrity

Intermittent or missing ground connections can result in minor interferences in the
printer. As examples:
■
Control Panel display can be affected (blank)
■
I/O board errors
■
False jam reporting
■
Erroneous thermistor readings
■
Major interruptions
■
Damage to the electrical boards
Key Ground Connections
The following illustration shows the grounding points in the printer.
Transfix Roller
Ground Springs
General Troubleshooting
I/O Board
Ground
X-Axis Return
Y-Axis Motor
Spring Ground
Ground
DM Ground
X-Axis Motor
Clip
Media Path Drive
Ground
s8500-032
4-77