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Cartridge No
Printheads, HP 728 Cartridges

HP 729 Printhead Replacement Kit

MPN: F9J81A

For use with: HP DesignJet T730 & T830 Printers

What's Included

  • Printhead
  • 1 x 69ml Black
  • 3 x 40ml Cyan, Magenta and Yellow
  • Plot it can send you a video link for fitting if needed

£413.94 inc VAT

£344.95 ex VAT

Quantity

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HP
HP 728 Cyan Ink Cartridge – 130ml

HP 728 Cyan Ink Cartridge – 130ml

From

£100.80inc VAT

£84.00ex VAT

HP
HP 728 Cyan Ink Cartridge – 300ml

HP 728 Cyan Ink Cartridge – 300ml

From

£190.80inc VAT

£159.00ex VAT

HP
HP 728 Magenta Ink Cartridge – 130ml

HP 728 Magenta Ink Cartridge – 130ml

From

£100.80inc VAT

£84.00ex VAT

HP
HP 728 Magenta Ink Cartridge – 300ml

HP 728 Magenta Ink Cartridge – 300ml

From

£190.80inc VAT

£159.00ex VAT

HP
HP 728 Matte Black Ink Cartridge – 300ml

HP 728 Matte Black Ink Cartridge – 300ml

From

£190.80inc VAT

£159.00ex VAT

HP
HP 728 Yellow Ink Cartridge – 130ml

HP 728 Yellow Ink Cartridge – 130ml

From

£100.80inc VAT

£84.00ex VAT

HP
HP 728 Yellow Ink Cartridge – 300ml

HP 728 Yellow Ink Cartridge – 300ml

From

£190.80inc VAT

£159.00ex VAT

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CAD Plot
CAD Plot 90 Inkjet Paper A0 841mm x 50m – 90gsm (Box 4)

CAD Plot 90 Inkjet Paper A0 841mm x 50m – 90gsm (Box 4)

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£50.92ex VAT

CAD Plot
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All you need to know about the HP 729 Printhead Replacement Kit

HP 729 Printhead Replacement Kit F9J81A: includes ink set

The HP 729 Printhead Replacement Kit (F9J81A) is a genuine HP replacement printhead designed to restore sharp line accuracy, clean colour output, and reliable performance on compatible HP DesignJet printers.

Ideal for CAD, GIS, technical drawings, and everyday large format printing, this integrated 4-colour HP printhead is engineered to work seamlessly with HP 728 ink cartridges as part of a complete HP printing system.

For architects, engineers, surveyors, and technical users, the HP 729 printhead helps reduce downtime and maintain consistent professional print quality.

Ink Included

This HP 729 printhead replacement kit includes a generous amount of genuine HP ink:

1 x 69ml Black
3 x 40ml Cyan, Magenta and Yellow

This makes the kit a practical and cost-effective way to restore print performance, we recommend removing installed cartridges, and using the included ink for the installation process, and then reinstalling your original cartridges once ink is depleted.

Restore Crisp CAD and Technical Print Quality

If your printer is showing reduced line quality, inconsistent colour, or print defects, replacing the printhead can help restore output performance.

The HP 729 printhead is designed to produce:

  • Crisp, clear CAD drawings
  • Sharp text and fine line detail
  • Accurate colour reproduction
  • Smooth general-purpose print output

It is particularly well suited to technical environments where precision matters.

Designed for Reliable HP DesignJet Performance

Original HP printheads are developed alongside the printer to create a fully optimised printing system.

This helps ensure:

  • Consistent print quality
  • Dependable day-to-day reliability
  • Fewer interruptions
  • Reduced risk of compatibility issues

Using a genuine HP 729 printhead helps protect your printer and maintain predictable performance over time.

Easy to Replace, Easy to Maintain

The HP 729 printhead replacement kit is designed for simple user installation.

It fits the way technical teams work, making it easier to replace worn printheads quickly and get the printer back into service with minimal disruption.

Once replaced, return the old printhead to HP through the HP Planet Partners recycling scheme. Simply request a free postage return envelope.

Compatible HP DesignJet Printers

The HP 729 Printhead Replacement Kit F9J81A for the following printers:

  • HP DesignJet T830 24″ A1 MFP
  • HP DesignJet T830 36″ A0 MFP
  • HP DesignJet T730 36″ A0 Printer

If you use HP 728 inks in one of the above models, this is the correct genuine HP printhead replacement kit.

Why Choose the HP 729 Printhead Replacement Kit?

Choosing a genuine HP printhead helps maintain the print quality and reliability your DesignJet printer was built to deliver.

The HP 729 printhead replacement kit is a strong choice for users who need dependable technical print quality, clean line accuracy for CAD output, reliable colour performance, and fast replacement with minimal downtime.

Because it is designed by HP as part of the complete printing system, it helps deliver more predictable results and long-term printer reliability.

Key Features

  • Genuine HP 729 Printhead Replacement Kit
  • HP part number F9J81A
  • Integrated 4-colour printhead
  • Designed for crisp CAD and general-purpose prints
  • Helps reduce downtime and maintain productivity
  • Easy to install and replace
  • Supports consistent colour accuracy and fine line detail
  • Includes free genuine HP ink
  • Works with HP 728 ink cartridges

HP 729 Printhead and HP 728 Inks

The HP 729 printhead works with HP 728 inks, making it an essential component in compatible HP DesignJet technical printers.

Using the correct genuine consumables helps ensure:

  • Better system reliability
  • More predictable output
  • Reduced maintenance issues
  • Professional large format print quality

Genuine HP Quality You Can Trust

HP supplies are designed to work together as one complete system.

That means the printer, printhead, and ink cartridges are all developed to deliver reliable performance and professional results.

For users producing technical drawings, presentation layouts, and general office plots, that reliability matters.

When Should You Replace the HP 729 Printhead?

You may need to replace the HP 729 printhead if you notice fading output, missing lines, inconsistent colour, nozzle-related defects, or a drop in CAD line sharpness. Your HP DesignJet may also display an error code advising replacement.

Replacing the printhead at the right time helps restore print quality and prevent avoidable downtime.

F9J81A_TECH SPEC_PLOT-IT

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