Xerox Phaser 8400 Service Manual page 242

Step Questions and Actions
5
1. Run service diagnostics to verify the system
temperatures are within normal operating
range.
2. Inspect the drum thermistor, clean or replace
if necessary.
3. Did this correct the problem?
6 1. Inspect the feed rollers. An accumulation of
paper dust and oil can produce dark
rectangular marks on transparency film.
2. Run the
printer's Control Panel.
3. Replace the rollers if necessary.
4. Did this correct the problem?
5-16
Remove Print Smears
Complete.
Complete.
from the
Phaser 8400/8500/8550 Color Printer
Yes No
Go to Step 6.