HP LaserJet 9000 Printer series - Manual (Page 25)

2 The control panel 25
Control panel navigation
Cancel button
Each lower-level screen (any screen below the main screen) on the touch screen displays a Cancel button. Touching the
Cancel button negates any changes you made, and takes you back to the previous screen.
OK button
Each lower-level screen on the touch screen displays an OK button. Touching the OK button accepts any changes you made,
and takes you to the next screen.