HP India — hp deskjet gt 5820 printing problem

I have purchase hp deskjet gt 5820 model in[protected].
6 months proper working condition. But now last two weeks for main
Problems for not printing. Xerox print or block print or colour print and pc to print or any printing "not printing on the paper" this is major issue. I have affect the last two weeks works sir.
Pls solve the problem immediately sir.