Xerox 92C - Manual (Page 74)

Supplies
A-4 System Overview Guide
Figure A-1. Storing paper correctly
Figure A-2. Recommended temperature and humidity for
paper storage
Conditioning
paper
Because temperature and humidity affect paper performance in
the printer, you need to condition paper before using it. To do
this, store paper for a specified length of time in the same type of
environment as your printer.