Black XL ink refill kit for HP Officejet 4310 HP 21 printer

Cityinkexpress Black XL ink refill kit for HP Officejet 4310 is an alternative solution to a ciss continuous ink system and genuine ink cartridges for the Officejet 4310 printer and replaces carts such as the HP 21 / C9351AE / HP 21XL / C9351CE.

We were not able to develop a ciss continuous ink sytem for the HP Officejet 4310 , this is our next best solution we can offer that would reduce printing cost's on your printer.

Never refilled before ?

Don't be put off by refilling your HP 21 or HP 21XL ink cartridge with our quality ink and easy to follow instructional video which you can watch below, you will realise it's a simple cost effective process that will drive down your printing costs.



The genuine inks and some compatible carts contain just 5ml of ink in a cartridge so our 100ml of refill ink for the HP Officejet 4310 is equivalent in volume to around 20 HP 21 cartridges which works out at just 53p per cart - if you normally use the HP 21XL version it's around 8.5 carts @ £1.25 each.

How much are you currently paying ?

With a shelf life of 3 + years it's a cost effective way to save money on HP 21 / C9351AE / HP 21XL / C9351CE ink carts.

Please note our HP Officejet 4310 ciss systems, Officejet 4310 HP bulk refills and Officejet 4310 refillable ink cartridges are not made by HP this is a registered trademark and we use the term for descriptive purposes only.