This is a great place to get support, find answers and tips,
Thank you for posting your query, I'll be more than glad to help you out 🙂
As I understand you want information on replacing the Photosmart Plus B210a PRINTHEAD,
Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:
Did you check any HP Article that has a solution to your concern?
How did you identify that the printhead has failed or requires a replacement?
If you have completed all of the troubleshooting steps and are still experiencing a problem, replace the printhead.
If you have a defective cartridge or printhead, it might be under warranty. To check the warranty on your ink or toner supplies, go to hp.com/go/learnaboutsupplies, select your country/region, and then review the limited warranty information for your supplies.