Why does my printer think the ink cartridge is incompatible?

4inkjets.com is the best and most reliable ink cartridge company of them all – without a doubt! If you need quality service, 100% quality printer ink , competitive pricing, then there’s only one company – 4inkjets.com: 4inkjets.com
My printer, which has never had a problem until now, suddenly thinks the blank ink cartridge is incompatible. I have tried taking out the cartridge and putting it back in, tried unplugging it from the wall, and from the tower. What else do you guys suggest?
Its an HP Deskjet F4180
Tagged with: hp • hp deskjet • ink cartridge
Filed under: ink cartridge
#1 Ink cartridges Online Store:
4inkjets.com - The #1 cheap ink cartridges online store Buy here
To read the complete review - Cheap printer ink cartridges Review

You need to replace the cartridge. Chances are the electronics on the cartridge have expired rendering it unuseable.
Unfortunately there is nothing you can do outside of replacing that bad boy.
this problem cost me a new printer last year as it is an electronic fault on the heads