HP Deskjet 3940 Ink Cartridges

The following 10 products are guaranteed to work in your HP 3940 printer:

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Sets of ink cartridges for the HP Deskjet 3940 printer

Genuine High Capacity Black & Tri-Colour HP 21XL / HP 22XL Ink Multipack (HP C9351CE & HP C9352CE)
  • Multipack saving: £2.94

    Compared to buying these separately

  • Pack of 2 high capacity ink cartridges
  • Lowest online price guaranteed

    If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

  • 12 month guarantee and FREE returns

    If within a year of purchase you happen to experience any quality problem, we'll happily provide a replacement, or a full refund.

    Whatever the reason for returning items to cartridgesave.co.uk, you will never pay a penny for postage.

Best value Genuine

5.6p per page

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

475 pages
415 pages
1 £49.58 (£59.49 inc VAT)
2 £47.98 (£57.57 inc VAT)
3+ £47.37 (£56.84 inc VAT)
Prices includes FREE next-day delivery

Best value Genuine

5.6p per page

For most cartridges this is based on 5% coverage on A4 paper. These numbers are based on manufacturer quoted values and are for comparison purposes only.

475 pages
415 pages
£49.58 (£59.49 inc VAT)

FREE next-day delivery

Multi-buy discount
2 £47.98 (£57.57 inc VAT)
3+ £47.37 (£56.84 inc VAT)

Black ink cartridges for the HP Deskjet 3940 printer

Colour ink cartridges for the HP Deskjet 3940 printer

Customer Questions & Answers

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  • Will the Deskjet 3940 printer works with only the colour cartridge or are both required for working?

    Deskjet 3940 colour cartridge use

    Yes, it's likely that you'll need to have both the black and the tri-colour cartridge installed with at least some ink in each cartridge in order for your Deskjet 3940 printer to work. If it's possible to change the settings and use a black or colour cartridge on its own this information should be documented in your user manual. If you no longer have a copy of the user guide for your HP Deskjet 3940 colour inkjet printer you can dowload it from the following page on HP's website:


    Answered by Tamara Sawyer (Staff Member) - over 4 years ago
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Find Low Cost HP 3940 Ink Today

There's little doubt that the HP 3940 printer is perfect for use at home or in the office. Some day in the not too distant future your HP 3940 will use all of your printer ink, and when it finally happens you'll soon see that replacement HP 3940 ink is typically really pricey. You do not need to worry about shelling out the steep asking prices you'll get on the main street because here at Cartridge Save you can purchase all the HP 3940 cartridges you want at little cost. Save cash on your ink by buying with Cartridge Save!

Best Quality Replacement Ink Cartridges For Less

Why pay more to get the 3940 original cartridge or 3940 compatible ink in the main street when it is easy to save a bundle of money buying online with Cartridge Save. You enjoy total peace of mind when buying DeskJet 3940 ink cartridges from us seeing as every one is covered by a no quibbles money back guarantee. Bear in mind that every order also comes with free delivery, usually delivered to your door the following business day!

HP Deskjet 3940 Printer Review

Expert review of the HP Deskjet 3940 printer

Our Verdict:

The stylish HP Deskjet 3940 looks a lot like other Deskjet 3900s from HP. This affordable choice is a reliable and no-frills solution that does one task and does it well, which is to produce good quality black/white and colour prints. It is a decent personal printer and an above-average photo printer. Minus the occasional paper jams and high cost of ink tanks, the HP Deskjet 3940 is a great product for light print jobs.


The HP Deskjet 3940 has a white and grey casing and a foldable small-capacity paper tray. It features a USB port for connecting to Mac and Windows PCs, and runs on a 128MB memory. This simple design allows easy operation, making the HP Deskjet 3940 a suitable device even for young users.


More than its ergonomic and easy-to-use design, the HP Deskjet 3940 printer also boasts top quality outputs at 1200x1200dpi for black prints. It uses 2 ink cartridges (one of which is tri-colour) and produces excellent graphics and images.


The HP Deskjet 3940 has received negative reviews from users because of its high ink consumption. It is also prone to paper misfeeds and jams, and offers limited connectivity options.