unknown

asked Dec 3, 2012 at 1:45pm
Hp HP LaserJet 4

HP 6500 model E709a Printer

Just installed 4 new ink cartardges Now I have an Ink system failure message telling me to turn the printer off & on, which I have done several times with no results. Printer will still not print.

How do I fix this problem?

Thanks
Frank Adams