Lexmark W850 Technical Reference Manual page 18

= Supported
X = Not supported
Tray operators
Operator
c5envelopetray
176x250envelopetray
b5envelopetray
3.875x7.5envelopetray
monarcenvelopetray
3.875x8.875envelopetray tray with 3.875 x 8.875 size envelopes
4.125x9.5envelopetray
com10envelopetray
otherenvelopetray
Tray selected (Corresponding image size
is set)
tray with 162 x 229 size envelopes
tray with 176 x 250 size envelopes
tray with 176 x 250 size envelopes
tray with 3.875 x 7.5 size envelopes
tray with 3.875 x 7.5 size envelopes
tray with 4.125 x 9.5 size envelopes
tray with 4.125 x 9.5 size envelopes
tray with other size envelopes
PostScript (PS) emulation
X860de, X862de, X862dte,
X864de, X864dhe
X
X
X
18
Printer models
W850n, W850dn
X
X
X