reset HP 7000 printer - please HELP

[Tigerman]

Hi all

i am so tired about the chip in hp 920 cartidge any one can give us how can reset the Hp 7000 printer ?

i cant determine is it ink or chip to make printer fail to print ?????


please any information will help just tell me what to do ???????
i use this ink

 

[samurusawyer]

Step to Reset HP 7000 printer
1. Without turning the unit off, unplug the power cord from the back of the product.
2. Press and hold # and 6″ keys.
3. While holding those keys plug the power cord back in.
4. Wait until the screen goes blank before you release those keys.
5. Follow on printer screen instructions.