Orders go by Royal Mail post, normally taking 1-2 days and guaranteed to arrive within 5 working days.
Select "Next Day" at the checkout for a guaranteed next-working-day service (morning delivery also available).
(Some orders may be sent by courier depending on availability.)
|2 - 3||£25.24 each|
This item: HP 21 Black Ink Cartridge
|Page Yield||190 pages||475 pages||220 pages||380 pages|
|Running Cost||13.69p per page||8.17p per page||14.95p per page||3.42p per page|
|Type||Genuine HP Product||Genuine HP Product||Genuine HP Product||Money Saving Compatible|
|Product Guarantee||Full 1 Year Moneyback Guarantee||Full 1 Year Moneyback Guarantee||Full 1 Year Moneyback Guarantee||Full 1 Year Moneyback Guarantee|
|Delivery||Free Delivery||Free Delivery||Free Delivery||Free Delivery|
This HP 21 Black Ink Cartridge is quoted as doing up to 190 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.
This is an original HP 21 Black Ink Cartridge.
Designed for families and personal users who are looking for an affordably priced printing solution to satisfy modest printing needs .
Containing pigmented black inks, this C9351AE cartridge provides crisp sharp text for your letters and reports.
This cartridge contains 5ml of black ink and enjoys free delivery and our 12-month guarantee.
|Capacity||5ml of ink|
|Page Yield||190 pages|
13.69p per page
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.
Ordering was very easy. Delivery was prompt. Great to be able to purchase ink for an old HP printer. Fantastic to be able to return the used cartridge for recycling. Will definitely continue to use Stinkyink.
Very good product ad quick delivery . All perfect !
Great price and positive experience - as always !
Easy to order with, good product, simple payment, fantastic follow up after sales. Would like a cheap next day option on royal mail for when I Have run out. Definitely continue to purchase with.
Everything fine as I would have expected from an original brand cartridge. No problem with service either. Prompt delivery only screwed up by post office.
HP 21 Black Ink. These cartridges are always reliable, and always print well. Have used them for 5 or more years now, and very pleased with them.
Responses are typically ~10 minutes between 9am and 5pm, weekdays.
We're voted the #1 Printer Cartridge provider by TrustPilot users, with the most reviews and the highest average rating for all suppliers. At Stinkyink you'll enjoy the best prices and most reliable product quality, that's why we've shipped over 3 million cartridges to 200,000+ customers. Just read some of our amazing recent reviews.
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.
Plus there's Free Delivery on everything!