Hi @Tate_Smith
Welcome to the HP Support Community. I understand you are not able to print in color from your iOS device. I'd be happy to assist you. This could be an issue with the HP Smart app.
Update the printer firmware
Click here to know different methods of updating printer firmware.
To know how to update the firmware, refer to page 39 of the user manual.
Also, check for any software updates on the iOS device
Click here to know how.
Try to print, if the issue persists, reinstall the HP Smart app. Click here to know how.
Hope this helps! Keep me posted.
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Have a great day!
KUMAR0307
I am an HP Employee