Hp deskjet 3820 changed ink cartridge now it wont print

my hp deskjet 3820 won't print! the black cartridge was working, color has never worked. I ran out of black so i changed the cartridge out and now it won't print at all...it tries but no ink is going onto the page...Please help! I work from home and having a working printer is an absolute must!!

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More about deskjet 3820 changed cartridge wont print
  1. Try re-installing the cartridge.
  2. I'd recommend calling tech support so you can get it up and running quickly. 800-BUY-MYHP
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