HP 16V - Manual (Page 92)

Adding Paper Sources
3. Remove the three paper
guides from the tray.
Unlock the guides as
follows:
Left and right guides:
Press the two catches
inward.
Rear guide:
Push the end of the left or
right frame outward and
release the pin of the guide
from the hole, then release
the other pin.
4. Attach the paper guides to
the correct positions.
Locate the mounting holes
of the desired paper size by
referring to the label or
engraving on the tray.
Left and right guides:
Put the two catches into the
holes.
User’s Manual 3-11