Loading Envelopes Page 72 of 815 pages Advanced Guide Troubleshooting Contents > Loading Paper / Originals > Loading Paper > Loading Envelopes Loading Envelopes You can print on European DL and US Comm. Env. #10-sized envelopes. The address is automatically rotated and printed according to the envelope's direction by specifying with the printer driver properly. Important You can only print on envelopes with the computer. You cannot use the following envelopes. - Envelopes with an embossed or treated surface - Envelopes with a double flap (or sticker flaps) - Envelopes with pressure seals - Envelopes whose gummed flaps are already moistened and adhesive Note You cannot load envelopes in the Cassette. Load them in the Rear Tray. 1. Prepare envelopes. Press down on all four corners and edges of the envelopes to flatten them. If the envelopes are curled, hold the opposite corners and gently twist them in the opposite direction. If the corner of the envelope flap is folded, flatten it. Use a pen to press the leading edge in the inserting direction flat and sharpen the crease. The figures above show a side view of the leading edge of the envelope. Important The envelopes may jam in the machine if they are not flat or the edges are not aligned. Make sure that no curl or puff exceeds 0.1 inches / 3 mm. 2. Load envelopes.