If your printer is an HP Officejet Pro 8600 Plus and if it displays error code B8A2F2E8, follow these steps:
Note: BL stands for Bottom Left button which is the Back Arrow button. The buttons will not be highlighted, you will have to press the buttons in sequence outside the home screen on the printer.
1. Press Power button to turn the Printer On.
2. Press Bottom Left, Bottom Left, Bottom Left, Bottom Left Buttons, in sequence.
3. Touch Support Menu.
4. Select Reset Menu and Touch OK.
5. Select Semi-Full Reset and Touch OK.
6. Wait for unit to Power Down/Turn Off.
7. Press Power button to turn the Printer On.