Epson Stylus Color 900 Manual page 190

Print only under these conditions:
Temperature: 59 to 77 °F (15 to 25 °C)
Humidity: 40 to 60% RH
Store glossy film and self adhesive sheets under these conditions:
Temperature: 59 to 86 °F (15 to 30 °C)
Humidity: 20 to 60% RH
Since the quality of any particular brand or type of paper may be
changed by the manufacturer at any time, EPSON cannot guarantee
the use of any particular brand or type of paper. Always test samples
of paper stock before purchasing large quantities or printing
large jobs.
Poor quality paper may reduce print quality and cause paper jams and
other problems. If you encounter problems, switch to a higher grade of
paper. Do not load curled or folded paper, envelopes, or
transparencies.
Specifications Page 190