HP DeskJet 3740 InkJet Printer "model 670" Questions

model SP35 plus .could you tell me this is product . thank you. i visited http://www.alibaba.com/product-gs/266057096/Datacard_SP35_Print_head.html and it says that FOB Price:US $670 - 680 / Piece Get

my printer is not printing nor it is taking any paper printer model is hp 670 C is it powering on,if no then check the powercables if the problem persists then you should send it for servicing