HP Officejet 350 All-in-One Printer - Manual (Page 164)

4. Slide the green paper guide to
the right until it's flush with
the edge of the envelopes, and
it snaps into place at the
appropriate envelope setting.
The envelope guide will pop
up to keep the envelopes
vertically aligned.
Envelope guide
U.S. No. 10
envelope
European DL
envelope
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5. Close the paper tray gently
until the envelope guide is
flush with the envelopes. The
paper tray does not close all
the way. Don't force it or you
may cause a paper jam.
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6. Insert the output tray.
An "out of fax paper" error
will display on the front panel
card of the HP OfficeJet
Manager, if it is open.
Although the device is unable
to detect the presence of
envelopes even when properly
loaded, it will print them.
sl-11