Button Function
Scroll down
Opens a drop‑down list
Left scroll decrease
Scrolls to another value in decreasing order
Right scroll increase
Scrolls to another value in increasing order
Left arrow
Scrolls left
Right arrow
Scrolls right
Submit
Saves a value as the new user default setting
Back
Navigates back to the previous screen
Other touch-screen buttons
Button Function
Down arrow
Moves down to the next screen
Learning about the printer 18