Epson Stylus Color 640 User Manual page 147

Note:
Since the quality of any particular brand or type of paper may be changed by the manufacturer at
any time, EPSON cannot attest to the quality of any non-EPSON 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.
Special papers distributed by EPSON are only usable under these conditions:
Temperature: 59 to 77 °F (15 to 25 °C)
Humidity: 40 to 60% RH
Store EPSON Photo Quality Glossy Film and self adhesive sheets under the following
conditions:
Temperature: 59 to 86 °F (15 to 30 °C)
Humidity: 20 to 60% RH
Specifications Page 147