Loading Envelopes into the 80-Sheet Auxiliary Tray Note Many applications allow you to specify the input tray you want to use.   This value
will override any value set at the printer.   If your application does not let you pick an
input tray, use the Paper Menu to select the tray. To select the 80-sheet auxiliary tray, set SOURCE to AUXTRAY (see “Selecting
The Default Input Tray” on page  46). Use the following procedure to load envelopes into the 80-sheet auxiliary tray: 1.   Select envelopes using these guidelines: 2.   Pull on both sides of the auxiliary tray door to open it. Note:   The tray may be difficult to open at first; if so, use firm pressure to pull it
open. Envelope size Commercial #10 — 104.8 x 241.3 mm (4.125 x 9.5 in.) Monarch — 98.4 x 190.5 mm (3.875 x 7.5 in.) DL — 110 x 220 mm (4.4 x 8.8 in.) C5 — 162 x 229 mm (6.48 x 9.16 in.) Envelope weight 16- to 28-pound paper (60 grams/meter² to 105 grams/meter²) Envelope Capacity Up to 10 envelopes for all envelope sizes 32 User’s Guide