Problem:- Hp inkjet 1510 not printing.
Action taken: - (1) Check ink level ----- OK
(2) Use Hp maintenance to clean nozzel . --- No help.
(3) Check compatability with M/ office ---- OK
(4) Uninstall Hp Ink jet 1510 - reinstall --- No help.
Conclusion:- Hp Ink dry.
Remedy:- (1) Soak the nozzel tip for a few seconds in warm water with a drop of dish washing liquid.
(2) thump against the palm of my hand till ink shows.
(3) Clean with lint free cloth.
(4) Repeat till ink is showing on full lenghth of nozzel.
(5) Replace cartridge and test - OK
After one week of not printing the black ink nozzel was again dry and clogged. Repeated the the above procedure.
Conclusion:- (Since I have never before, with any other make of printer, had this problem -now the yellow is not
printing) --- Hp Is using poor quality ink.
Remedy:- In future printer purchases - look at other products.