While I suggest you perform the steps from the document Color or Black Ink Not Printing, to assist you better, we would need some information related to your Instant Ink Subscription. This information cannot be shared on a public post.
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I tried the black instant ink but something is wrong with the black instant ink(i remembered i had the issue once I set up the printer after purchase with help from a HP customer service people, and the HP customer service person ordered another black ink),
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