Xerox 4635 Operator's Manual page 256

MAINTENANCE TASKS
11-16
Figure 11-21. 9-track tape drive tape path components
1. Tape loading door
2. Supply hub
3. Clamp pads
4. Roller
5. Tension arm
6. Hub Release lever
7. BOT/EOT sensor
8. Bollard
9. Tape cleaner
10. Tape heads
11. Bollard
12. Tacho
13. Roller
14. Take-up hub
Inspect the tape path regularly and monitor the error rates. You
may be able to clean less frequently after seeing the results of
this schedule.
XEROX 4635 LASER PRINTING SYSTEM OPERATOR GUIDE