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bjgx2
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black ink won't print on my officejet 6812

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hp officejet 6812 all in one

I recently changed all my 935 colored cartridges and my 934 black cartridge and now my printer will print in color but not in black in white.  I tried cleaning the print head and even got a different 934 cartridge and it still won't print in black and white.  This printer is a little over a year old and this is the first problem that I am having with it.  Any help would be appreciated.

 

Thanks

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sabretooth04
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bjgx2
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I had already done everything on this page and none of it helped.

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sabretooth04
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Try these Youtube videos here.

 

https://www.youtube.com/results?search_query=officejet+6812+print+head

 

Search for more if needed.  If no joy, your printer is toast.

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