IBM 1725 SLS - Manual (Page 33)

Using the
Control Panel
1-17 Introduction
L
Press the Tray Select key to choose the cassette (input
bin) from which the printer should draw media.
Press the Next key to advance through the list of
selections or options for the current menu. When
changing character information, use this key to advance to
the next choice for the current input character.
Press the Previous key to return to the previous selection
or option for the current menu. When changing character
information, use this key to return to the previous choice
for the current input character.
Press the Menu key to access the configuration menu
after the printer goes off line. When you’re changing
printer configuration, press this key to cancel a change
(before pressing the Select key), to return to a previous
menu, or to return to a previous character when entering
character information.
Press the Select key to access a menu or to choose a
displayed menu option.