Xerox Phaser 8400 Service Manual page 120

Troubleshooting Procedure for Power Supply
Step Questions and Actions
1 1. Run the Voltages check test.
2. Did the test pass?
2 1. Check the printhead power cable.
2. Is the wiring damaged or not connected?
3-54
Yes
Go to Step 2.
Reseat or
replace the
wiring.
Phaser 8400/8500/8550 Color Printer
No
Replace the
electronics
module.
Replace the
wave amp.