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Problems with printing black

HP DeskJet 3700 All-in-One series

My printer doesn't print properly, i changed ink, but it still doesn't print black, only grey, how can I solve this problem? 


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Problems with printing black

@NicolePandolfi, Welcome to HP Support Community!


If you have already performed the steps from the document Fixing Poor Print Quality and the issue persists, it could be a hardware failure.


Please reach out to the HP Support in your region regarding the service options for your printer.


Hope this helps!


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