HP 1230 SERIES - Manual (Page 9)

front panel overview
3
16 On button: Turn the HP Fax on and off.
17 Options button: Access various fax and copy options.
18 Left and Right arrows: Scroll through fax and copy option settings, or move
forward and backward in a text entry.
19 Enter button: Select or save displayed setting.
20 Cancel button: Stop job or exit menu.
feature purpose