3 Printhead Adjustment 3 Introduction 3-2 Tools Required 3-2 Calibrate the Printhead Adjustment Jig 3-3 Install the Printhead Adjustment Jigs in the Carriage 3-5 Set Printhead Voltage 3-9 Print the Printhead Adjustment Pattern 3-10 Perform Printhead Position Correction 3-11 Print the Check Printhead Pattern 3-14 Adjust the Printhead 3-15 Tip to Speed-Up the Printhead Adjustment 3-19 3-1 HP Designjet 9000s Series Printer Service Manual