Xerox 4635 Operator's Manual page 281

PROBLEM SOLVING TASKS
Figure 12-21. Area 14
Note: You may sometimes find paper lying on top of area 14,
even though there is no message indicating a jam in this area.
Discard the paper.
Figure 12-22. Area 15
XEROX 4635 LASER PRINTING SYSTEM OPERATOR GUIDE 12-17