Printhead Adjustment 10 In the PH to PH Val submenu, select the color of the Printhead that you would like to adjust and press the OK key. If you would like to exit the PH to PH Val submenu, press the W key. # PH TO PH VAL > Lm >+00 11 Use the S and T keys to change the digits and use the W and X keys to select the digits. Enter the value that you noted down in step 8. # PH TO PH VAL > Lm >+01 12 Press the OK key once you have entered the new value. HP Designjet 9000s Series Printer Service Manual 3-13