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Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.


Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
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I have a HP OfficeJet Pro 8720. While cleaning the printer, I removed the cartridges and put the same back, it starts giving me an error "To resume printing, remove continuous ink system and install original HP cartridges." All the cartridges are genuine and that's what I was using. Can somebody help, please?

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