@Paul310-d, Welcome to the HP Support Community! I’m here to help.
I understand the printer is not printing in Cyan. As the printer was reset, the Instant Ink data on the printer has also been deleted. Hence, the printer has to be enrolled in Instant Ink again. There will be no charges.
For assistance, refer to - Enrolling in HP Instant Ink
To assist you better, I would need some information related to your Instant Ink Subscription. This information cannot be shared on a public post.
I have sent you a private message, reply to the message with your details.
In order to access your private messages, click the private message icon on the upper right corner of your HP Community profile, next to your profile Name or simply click on this link.
Hope this helps! Let me know how it goes.
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Have a great day!
KUMAR0307
I am an HP Employee