I'm having some problems with my HP 1350 all-in-one. I was trying to print some text earlier and the output was full of white lines as you'd expect from an empty cartidge. According to the control panel the black cartridge is virtually full, and the colour cartirdge is just above half full. I printed a calibration page which came out like this...
I did a head clean which then produced this image
Thinking that the problem was then fixed i tried to print the original document again, only to have it appear just the same as the first image above. Now I don't know if it's a bad cartridge/cartridges or something else. Any ideas?

I did a head clean which then produced this image

Thinking that the problem was then fixed i tried to print the original document again, only to have it appear just the same as the first image above. Now I don't know if it's a bad cartridge/cartridges or something else. Any ideas?