HP Officejet 350 All-in-One Printer - Manual (Page 167)

Using the Menu Buttons
The figure below provides a quick overview of how to use the front
panel buttons with the menu system.
Press Menu to enter the
menu system.
Press Left Arrow or Right
Arrow to move to the next menu
item, device setting, or character
(during data entry).
Press Enter/Save to select the
menu item or device setting
shown on the bottom line of the
display. Press twice to make
your selection and return to the
Ready display.
Press Backspace to move back to a previous
menu level, or, during data entry, delete the
character to the left of the cursor.
Press Stop to cancel an operation in progress or exit the
menus immediately (when you don't want to make a
selection) and return to the Ready display.
Backspace Enter/Save
Load/Eject Printer Reset