IBM S544-5343-03 - Manual (Page 194)

The Envelope Feeder Option
The envelope feeder lets you print large runs of various envelope sizes.
Envelope sizes Commercial #10 — 4.125 x 9.5 in. (104.8 x 241.3 mm)
Monarch — 3.875 x 7.5 in (98.4 x 190.5 mm)
DL — 110 x 220 mm (4.4 x 8.8 in.)
C5 — 62 x 229 mm (6.48 x 9.16 in.)
Envelope weights 16 lb to 28 lb (60 grams/meter 2 to 105 grams/meter 2 )
Envelope feeder
capacity 75 envelopes
Installing the Envelope Feeder
Use the following procedure to install the envelope feeder:
1. Switch the printer power off.
2. Unplug the printer from the wall outlet.
3. Remove the power cord from the back of the printer.
4. Unpack the envelope feeder and save the packing materials for future use.
5. Open the auxiliary tray by pushing in on the top of the auxiliary tray.
174 Network Printer 17: User’s Guide