Print Head HP 746 DesignJet Printhead for Z6 Z9 Printers

The HP 746 DesignJet Printhead for Z6 Z9 Printers is a replacement printhead compatible with HP DesignJet Z6 and Z9 series. Designed for high-resolution technical and graphic printing, this OEM component supports high-definition output by leveraging HP’s nozzle architecture. The unit dimensions are approximately 28 mm wide, 143 mm deep and 132 mm high and it is manufactured in Singapore. The printhead is intended for use with supported HP DesignJet printers to restore or maintain print quality for professional applications.

Advantages

This HP printhead uses high-density nozzle design to deliver improved dot placement and consistent color rendering across large-format prints. The design reduces the need for light color inks in certain workflows by providing precise drop control and dual-drop capability. As an OEM part, it meets HP’s manufacturing and quality standards for reliable operation and predictable results in production environments.

Suitable for

• Print service providers producing technical drawings, posters and photographic reproductions
• GIS map creators and users requiring accurate line work and color consistency
• Retailers and studios printing high-quality graphics and point-of-sale materials
• Maintenance and service technicians performing printhead replacement on HP DesignJet Z6 and Z9 printers

Key specifications

• Compatibility: HP DesignJet Z6 and Z9 printer series
• Printhead width: approximately 28 mm
• Depth: approximately 143 mm
• Height: approximately 132 mm
• Nozzle architecture: high-density nozzle arrangement with dual-drop capability for finer dot control
• Origin: manufactured in Singapore
• Packaging: single printhead unit

How to use

Before installation, power off the printer and follow the printer’s service manual instructions for replacing a printhead. Remove the spent printhead assembly carefully to avoid ink contact and align the new HP 746 printhead into the carrier according to the printer prompts. After seating the printhead, run any recommended alignment, cleaning or calibration routines provided by the printer firmware to ensure optimal color registration and nozzle performance. Dispose of any packaging and used parts according to local regulations.

Usage recommendations

Use genuine HP printheads and follow HP service guidelines for maintenance intervals and cleaning procedures. Store replacement printheads in original packaging in a cool, dry environment and install promptly to avoid nozzle drying. For best results, perform regular nozzle checks and cleaning cycles within the printer’s maintenance menu and use compatible HP inks and media recommended for the Z6 and Z9 series.