Loading Envelopes into the Envelope 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 envelope tray, set SOURCE to ENVELOPE (see “Selecting The
Default Input Tray” on page  46). Use the following procedure to load envelopes into the envelope tray (the envelope tray
replaces the 500-sheet tray): 1.   Select envelopes using these guidelines: 2.   Remove the envelope tray from the printer and place on a flat surface. 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 60 envelopes 42 User’s Guide