The envelope tray, designed specifically to handle envelopes, supports up to 50 envelopes.
This tray replaces Tray 1.
Envelopes supported include Naganata no. 3, Commercial no. 9, Commercial no. 10, Monarch 7 3/4, B5, DL, ISO C4 and ISO C5.
Must replace Tray 1. Can only be enabled from the control panel configuration menu.
Detects envelope size and if envelopes are present or low.