Press [Feed Tray Paper Type].
Select [Special Paper].
Press [OK].
Place the envelopes in the paper feed tray as shown in the illustration.
* Paper feed direction
If your envelopes do not feed in well, lift the paper feed tray a little, and then lower it so that it slants up slightly.
When you use envelopes, the paper feed tray capacity is about 150 sheets (85 g/m2, 22 lb.) or enough to load a stack up to 105 mm (4.1 inches) high.