Xerox Phaser 8400 Service Manual page 247

Step Questions and Actions
4
1. Run service diagnostics to verify the drum
maintenance system is operating correctly.
2. Inspect or replace the following parts, check
for cracking:
■ Drum maintenance pivot plate
Drum maintenance cam shaft
■
3. Did this correct the problem?
5 1. Run service diagnostics to check the
temperature of the drum.
2. Verify the drum termperature sensor is clean
and properly installed.
3. Did this correct the problem?
Print-Quality Troubleshooting
Yes
Complete. Go to Step 5.
Complete. Replace the
drum
temperature
sensor.
No
5-21