Bad print head on my hp officejet j4680 all-in-one
Being six years old it's probably got a fair amount of crud built-up. I generally remove the print head, on printers that have this ability, and then clean with some qtips and 90% isopropyl alcohol. If that doesn't fix it and a replacement print head is available then replace it. But consider the cost, as cheap as printers are these days you don't want to put a lot of money into a six year old printer when you can replace it just as cheaply.
Bad Black Print Head (replace Pentagon)
I have replaced both the black and colour cartridges. Still the same problem?
Thanks
Brian
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