A few weeks ago I purchased a black Ink Cartridge (for my friend) a Lexmark sereis 2 X3580 but dosn't work and registers Empty when it was installed and it also disabled the colour cartridge. The PC and printer have been checked and both were OK. It was suggested that the Chip may be the fault. I tried to contact the seller but he seems to have ceased trading, so I can not receive a replacement nor a refund.
I always purchase my Epson cartridges on Ebay and I have been more than pleased (not from seller I must say) As my friend and I are both in our 70 s and very disabled with MS - Ebay-ing is just wonderful