How to mend Hp Z640

My 4 year old HP Printer 2710 problems picking up?

HP p2055dn?

paper is loaded but printer keeps asking to load paper?

HP psc2210 all-in-one printer has locked out?

cartriadge error?

HP printer not printing all colours?

printer prblem?

how to fix HP photosmart C5180 ALL IN ONE?

the printhead in HP officejet 4500 is sticking?

showing paper jam?

How can I fix my HP Deskjet 690 C Printer?

HP 4l paper jam?

Printer not printing black with new cartridge?

HP 8600 series printer wireless problem?

Replacing cartridge?

HP 890C DeskJet Professional Series will not power up and print?

What does Cartridge Error mean on HP 5610 All-in-one printer?

How can I fix my HP PSC 2310 All-in-One series?

How can i get my hp 2575 all in one to do anything at all?

How can I fix a rear hinge on my HP All-in-One Printer?

Noise when ink cartridges move along the bar?

New Ink cartridge to HP printer Officejet 4500 series will not printer?

when i press 1 e7 seven appears ?

hp ptotosmart ?

how can i fix my paper jaming problem on my HP deskjetf380?

hp printer won't print?

My HP photosmart printer 7792 has suddenly decided to take a very long time?

HP Deskjet 9800 how to fix carriage jam fault ?

how do I install my hp6310 without the disc ?

printer won't work though green light on?