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HP 21 Black Ink Cartridge C9351A Original
(31 Reviews)

HP 21 Black Ink Cartridge - C9351A (Original)

  • 1x
    5ml

    Black

    Number in Pack: 1

    Volume of Ink: 5ml each

    MPN: C9351A

£3.82 per ml£4.58 per ml
Better value alternative available here

  • Original HP C9351A

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In the unlikely event that you do find a product at a lower price through a UK-based retailer, we will refund 110% of the difference up to 7 days after your purchase.

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Will this product work with my printer?
£22.90
£19.08 ex. VAT
£19.08
£22.90 inc. VAT

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HP 21 Black Ink Cartridge - C9351A (Original) Description

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Printer Compatibility

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Customer Reviews (31)

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E
Reviewed on: March 2, 2026
Reviewed on: March 2, 2026

Quick delivery

Very happy to receive one ink card fridge as ordered

My Verdict

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n
Reviewed on: August 18, 2025
Reviewed on: August 18, 2025

Got to be the real thing

I'd been trying to cut costs using cheaper refills in my rather ancient printer -with awful results - smudgy, patchy printing. So now gone back to the proper HP cartridge with perfect results.

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M
Reviewed on: April 2, 2024
Reviewed on: April 2, 2024

HP 21

Delivered on time and works perfectly

My Verdict

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S
Reviewed on: March 8, 2024
Reviewed on: March 8, 2024

Experience

Very pleased with product and service.lofty

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A
Reviewed on: February 29, 2024
Reviewed on: February 29, 2024

HP 21 black toner

Original toner cartridge from HP, easy to install and very good performance. Cartridge people good supplier with excellent customer service.

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T
Reviewed on: November 10, 2022
Reviewed on: November 10, 2022

HP ink

The ink was the usual standard, no faults
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p
Reviewed on: November 7, 2022
Reviewed on: November 7, 2022

Wonderful for my HPDeskjet F2280

As above
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M
Reviewed on: August 17, 2022
Reviewed on: August 17, 2022

ink cartridge

Good price for good product
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J
Reviewed on: August 2, 2022
Reviewed on: August 2, 2022
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P
Reviewed on: February 11, 2022
Reviewed on: February 11, 2022

Smooth and easy ordering

The website was easy to use and the range of products very comprehensive. Prices were competitive and delivery time was excellent. Thank you!
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1xx
£22.90
£19.08 ex. VAT
£19.08
£22.90 inc. VAT

In Stock
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Our Pick
Cartridge People's Own Brand
  • £3.26£3.91 cheaper per ml of ink vs the original option
Only £15.49
£12.91 ex. VAT
Only £12.91
£15.49 inc. VAT

In Stock

Lowest Price GuaranteeIn the unlikely event that you do find a product at a lower price through a UK-based retailer, we will refund 110% of the difference up to 7 days after your purchase.