1.Why buy compatible cartridges from http://www.britanniainks.co.uk?
Our compatible HP DeskJet 840C Ink Cartridges come with the latest chip and work the same way as original. They are filled with highest quality ink (which is made in US) and gives best performance as originals. You will save 50% or more on the cost when using our compatible cartridges comparing with originals. Our HP DeskJet 840C Ink Cartridges have up to 18 months shelf life and we offer no quibble 12 months warranty.
2.Will compatible cartridges damage my printer?
Don't worry, the manufacturer already made strict compatibility testing for us and the ink of the HP DeskJet 840C Ink Cartridges is made in USA. As long as following the compatible printer list we provide, there should be no problem.
3.Will using compatible HP DeskJet 840C Ink Cartridges void the printer manufacturer warranty?
No. It is not allowed by law for the printer manufacturer to use warranty preventing customers using consumables from third parties.
4.What are compatible HP DeskJet 840C Ink Cartridges?
Compatible HP DeskJet 840C Ink Cartridges normally is produced by some third parties, not original manufacturer. But the products can work well in the same way as OEM cartridges. Meanwhile, the price is much lower than the OEM ones.