HP LaserJet 4240n Toner Cartridges

The following 3 products are guaranteed to work in your HP 4240n printer:

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Black toner cartridges for HP LaserJet 4240n printer

Genuine Black HP 42A Toner Cartridge - (Q5942A)
  • Black toner cartridge
  • 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.

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Best value Genuine

1.2p 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.

10,000 pages
1 £121.71 (£146.05 inc VAT)
2 £120.07 (£144.08 inc VAT)
3+ £119.37 (£143.24 inc VAT)
Prices includes FREE next-day delivery

Best value Genuine

1.2p 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.

10,000 pages
£121.71 (£146.05 inc VAT)

FREE next-day delivery

Multi-buy discount
2 £120.07 (£144.08 inc VAT)
3+ £119.37 (£143.24 inc VAT)

Maintenance items for HP LaserJet 4240n printer

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Order Budget Toner Cartridges For HP LaserJet 4240n Printers

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Complimentary Next Day Delivery On Each HP LaserJet 4240n Cartridge

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HP LaserJet 4240n Printer Review

Expert review of the HP LaserJet 4240n printer

Our Verdict:

The network-ready HP LaserJet 4240n is a workhorse favoured by offices and workgroups. This compact printer may be small, but it delivers good quality output at a quick speed and it can handle 175,000 pages per month. It has a standard memory of 64MB, which can be expanded to 512 MB to be able to handle complex printing jobs. Designed for workgroups, this unit also has Ethernet. The HP LaserJet 4240n workgroup printer would have been better if it had Wi-Fi, too.


Measuring 16.5 x 17.8 x 14.8 inches, the Hewlett Packard Laserjet 4240n printer is quite compact. It weighs 44.5 lbs and has paper handling capacity of 600 sheets. Print speed is quite fast at 40 ppm. Users will find a USB, parallel, and Ethernet port at the back and in the front, and there is a status LCD display on the control panel of the Laserjet 4240n. Operating as a monochrome only device, the Laserjet 4240n can only use a single black HP 4240n toner cartridge.


Workgroups will have no trouble using the HP LaserJet 4240n printer as it has built-in Ethernet. This unit offers support for Windows, Linux, and Macintosh computers. It delivers top quality output and is able to finish print jobs quickly. The HP LaserJet 4240n mono laser printer is very reliable and can be upgraded with paper handling accessories for higher-volume needs.


The control panel of the HP LaserJet 4240n network laser printer is not very user friendly. Furthermore, the HP 4240n laser printer does not have Wi-Fi.