HP and 8150 MFP manual Appendix B Control Panel Menus

Appendix B Control Panel Menus		428
Item	Values	Explanation
ENV FEEDER	For supported	This item appears only when the optional
TYPE=PLAIN	paper types, see	envelope feeder is installed. Set the value to
	page 397.	correspond with the envelope type currently
		loaded in the envelope feeder.
TRAY 1	FIRST	Determine how the printer will use Tray 1.
MODE=FIRST	CASSETTE	FIRST: If paper is loaded in Tray 1, the printer will
		pull paper from that tray first.
		CASSETTE: A paper size must be assigned to
		Tray 1 using the TRAY 1 SIZE option (the next item
		in this menu when TRAY 1 MODE= CASSETTE). This
		allows Tray 1 to be used as a reserved tray.
		For more information, see page 154.
TRAY 1	For supported	This item appears only when TRAY 1 MODE=
SIZE=LETTER	paper sizes, see	CASSETTE. Set the value to correspond with the
	page 390.	paper size currently loaded in Tray 1.
TRAY 1	For supported	This item appears only when TRAY 1 MODE=
TYPE=PLAIN	paper types, see	CASSETTE. Set the value to correspond with the
	page 397.	paper type currently loaded in Tray 1.

Paper Handling Menu