1.) Press and hold the Home button for 7 to 10 seconds until the touchscreen display changes to show the Serial #, ROM Version, and Printed Pages.
2.) Press and hold in the blank rectangle displayed under 3. Print Page for 2-3 seconds.
3.) This will change the touchscreen display to a keypad.
4.) Using the numeric keypad on the touchscreen display press *, 0, # in that order. The touchscreen will display '0 Maintenance' in the top left corner.
5.) Press 7, 6, 4. The top left corner will change to 'uINIT_P ALL'.
6.) Press the Left Arrow at the bottom left corner until the display changes to show 4 arrows on the top row of the chart.
7.) If the affected color is only Black, press the ◄ or ► key on the top row until the display changes to 'uINIT_P BLACK'.
8.) Then press Mono Start on the touchscreen to begin the User Reset Purge.