Xerox 128 Operator's Manual page 164

Technical information
Table 5-13. Top tray satisfaction guide
Stock Reliable stacking may be
expected
Type or Xerographic bond paper in
condition good condition
Drilled paper
5- 1 8
Less reliable stacking may
be expected
These may yield stacking
registration problems:
Slightly curled paper
Precut tabs cannot be sent
to the top tray.
DocuTech 128/155/180 HighLight Color Operator Guide
Suggested alternatives
Do not use excessively curled
paper.
Stock not defined here is
included in the "Using various
stocks" section in this guide.