Canon LBP-800 Printer User Manual


 
Paper Handling
Chapter 2 Paper Handling 11
Poorly manufactured envelopes are not recommended.
Postcards
Follow these guidelines when printing on postcards:
Postcards should not be greater than 0.28 mm in thickness.
Postcards should be free of glue, clips, and staples.
Do not use postcards that are damaged or curled, or that have special
coatings or an irregular shape.