HP 738/739 Consumables

Optimize Flexibility with HP DesignJet 738 Water Resistant Flex Tech Ink & 739 Printhead

Designed for HP DesignJet T850 and T950 Series Printers. Achieve outstanding fine line detail, bold blacks, and vivid colors.

Revolutionary Flex Tech Performance

What is Flex Tech Ink?

HP DesignJet 738 Flex Tech inks are advanced cartridges engineered for the T850 and T950 series. They deliver exceptional versatility, print quality, and durability for CAD drawings, blueprints, and marketing posters.

Featuring HP's revolutionary Flex Tech formulation, these inks provide resistance to water, fading, smudging, and highlighter bleed—meeting professional standards.

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Available HP 738 Flex Tech Ink & 739 Printheads

Browse our complete range of genuine HP 738 Flex Tech ink cartridges (130ml, 300ml) and HP 739 printheads for DesignJet T850 and T950 multifunction plotters.

Key Features & Benefits

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Excellent Quality

Achieve outstanding fine line detail, bold blacks, distinguishable grays, and vivid colors. Accommodate applications from technical drawings to maps and posters.

🛡️
Durable Performance

Confidently share prints with outstanding light/water fastness and resistance to smudging/highlighter bleed. Don't fret about spills with impressive water resistance.

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Fine Line Quality

Produce professional technical drawings with fine line quality and excellent small letter clarity. Communicate effectively with pigment technology.

♻️
Sustainability Progress

First inks in technical large-format market to meet UL ECOLOGO® Certification. Unlabeled cartridges make recycling easier via HP Planet Partners.

Why Choose HP 738 Flex Tech Ink?

What makes Flex Tech ink special?

HP Flex Tech ink combines qualities of different technologies: water resistance (like pigment), vibrant colors (like dye), and versatility. Prints resist water, highlighter bleed, and fading while maintaining exceptional vibrancy and line sharpness.

How long will prints last?

Wilhelm Imaging Research tests indicate documents printed with Flex Tech inks stored in the dark achieve "Greater Than 200 Years" ratings. Prints reach "over 100 years" exposed to indoor light fading (ozone tests).

What about sustainability?

Flex Tech Inks meet UL ECOLOGO® Certification (UL 2801), meeting multi-attribute criteria for health and environment. Unlabeled cartridges simplify recycling.

Compatible HP DesignJet Multifunction Plotters

HP 738 Flex Tech ink cartridges and HP 739 printheads are compatible with HP DesignJet T850 and T950 series multifunction plotters.

Works With These HP Printers

HP 738 Printer Compatibility

HP 738 Flex Tech inks are compatible with:

T850 and T850 MFP • T870 • T950 and T950 MFP

Multifunction Plotter Details

🖨️ HP DesignJet T850 (36-inch MFP)

Advanced 36-inch multifunction printer (print/scan/copy). Features wireless connectivity, touchscreen, mobile printing, automatic sheet feeder, cloud connectivity, and security. Handles CAD and graphics proficiently with Flex Tech ink.

🖨️ HP DesignJet T950 (36-inch PostScript MFP)

Professional 36-inch PostScript MFP. Includes all T850 features plus native PostScript support for professional graphics, Adobe apps, and complex technical drawings. Ensures accurate reproduction of complex designs.

T850 vs T950: Which is right?

Choose T850 for versatile CAD workflows without PostScript needs. Choose T950 if you require PostScript for Adobe apps/complex graphics. Both use same HP 738/739 supplies.

Product Highlights

Discover HP 738 Flex Tech inks featuring revolutionary water-resistant technology for exceptional quality.

HP 738 Ink Family

Complete color range available in 130ml and 300ml capacities. Cyan, Magenta, Yellow, and Black with revolutionary Flex Tech formulation.

Fine Clear Lines

Fine clear lines and excellent small letter quality. Produce professional technical drawings with outstanding detail and precision.

Support & Resources

📚 Installation Guide

Ink: Unpack (130/300ml), insert firmly. Printhead: Access carriage via panel, release latch, swap printhead, secure latch. Printer auto-aligns.

🔧 Troubleshooting Tips

Faded colors? Run alignment. Streaking? Deep clean printhead. Reduced water resistance? Verify genuine ink. Recognition issues? Re-seat cartridges. Contact support.

💡 Best Practices

Store sealed. Keep in climate-controlled room (20-25°C). Run cleaning monthly if idle. Test water resistance on samples. Use 300ml for efficiency. Use genuine ink.

Order Genuine HP 738 / 739 Supplies

Contact our HP DesignJet specialists to order genuine HP 738 Flex Tech ink cartridges (130ml, 300ml) and HP 739 printheads for your T850 or T950 multifunction plotter.

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