Xerox Phaser 8400 Service Manual page 234

Step Questions and Actions
3
1. Inspect and reseat the wave amp and data
cables connecting to the printhead.
2. Replace or repair any defective cables.
3. Did this correct the problem?
5-8
Yes
Complete.
Phaser 8400/8500/8550 Color Printer
No
Replace in the
following order:
■ electronics
module
■ printhead