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  3. Original HP 42A Toner Cartridge

Original HP 42A Toner Cartridge

£178.22 inc VAT
12 In Stock
0 in basket
  • Free UK Delivery
  • Money Back Guarantee
  • Stock up, worry free! Happily store these for 1 year
Multi-buy discount
2 - 3 £172.87 each
4+ £169.31 each

Where do I find my printer model?

The model is nearly always found on the front or top of your printer. It usually has the manufacturer name followed by letters & numbers.

Check this toner fits your printer:

This is an Original HP 42A Toner Cartridge.

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Colour Compatibility Brand Page Yield
Black HP Original HP 10000

This toner cartridge is guaranteed to work in the following HP printers

  • HP Laserjet 4240
  • HP Laserjet 4240n
  • HP Laserjet 4250 (includes; Laserjet 4250tn, Laserjet 4250N, Laserjet 4250dtn)
  • HP Laserjet 4250dtnsl
  • HP Laserjet 4350 (includes; Laserjet 4350n)
  • HP Laserjet 4350dtn
  • HP Laserjet 4350tn
View all printers

Compare With Similar HP Toner

This item: Original HP 42A Toner Cartridge
Customer Rating
(0 reviews)
(2 reviews)
Contains Black Black
Page Yield 10000 pages 18000 pages
Running Cost 1.79p per page 0.23p per page
Type Genuine HP Product Money Saving Compatible
Product Guarantee Full 1 Year Moneyback Guarantee Full 1 Year Moneyback Guarantee
Delivery Free Delivery Free Delivery
10000 pages

Page Yield Up To 10000 Pages

This Original HP 42A Toner Cartridge is quoted as doing up to 10000 pages before needing to be replaced.

The page yield is calculated by manufacturers using ISO/IEC 24711 standards, where they print set documents of 5% page coverage until the cartridge is empty. The standard means you can compare yields between cartridges and manufacturers.

Product description

Providing a yield of 10,000 pages, this cartridge is manufactured by HP to produce sharp, crisp black prints every time.

With reference Q5942A, this 42A Black Toner enjoys our free delivery and a 12-month performance guarantee.


Page Yield 10000 pages
Running Cost 1.79p per page

Running Cost

This value is calculated from manufacturer's estimates of how many pages a cartridge will print, and should only be used to compare cartridge running costs.

Page yields are estimated using the ISO standard of 5% coverage on a plain A4 page, which is roughly the length of a short letter.

MPN Q5942A
GTIN 00002900545049
Colour Black
Compatibility HP Original
Brand HP
Condition New

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All inks can be stored for 1 year

It's best to keep a spare, so you'll save money when buying 2 of any item.

These inks can be stored for 1 year without affecting performance + are covered by our money back guarantee to give you full peace of mind.

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