2-28 Printing With the MultiPASS C635 Chapter 2Printing On EnvelopesYou can stack up to 10 envelopes in the sheet feeder or you can manuallyfeed envelopes one at a time.U.S. Commercial number 10 (COM10) envelopes and European DLenvelopes are recommended. You may be able to stack envelopes ofother sizes in the sheet feeder; however, Canon cannot guaranteeconsistent performance on envelope sizes other than COM10 and DL.The following envelopes are not recommended because they may causejams or smears, or may damage your printer.❍ Envelopes with windows, holes, perforations, cutouts, and doubleflaps.❍ Envelopes made with special coated paper or deeply embossedpaper.❍ Envelopes using peel-off sealing strips.❍ Envelopes in which letters have been enclosed.When you are ready to print on envelopes, follow these steps to stackenvelopes in the sheet feeder. (You can also manually feed envelopes oneat a time.)❍ Open the printer cover and set the paper thickness lever.❍ Close the printer cover.Make sure thepaper thicknesslever is set to theright (A).1DO NOT TOUCHTHE GUIDE RAILDO NOT TOUCHTHE RIBBONCABLE