Table of Contents Table of Contents 1 Troubleshooting 1-1 System Error Codes 2-1 Head Adjustment 3-1 Maintenance Mode 4-1 Adjustments and Calibrations 5-1 Print Quality 6-1 Parts and Diagrams 7-1 Removal and Installation 8-1 Preventive Maintenance 9-1 6 HP Designjet 9000s Series Printers Service Manual