Hey There, I am Sofia Carter. If your HP printer won't print black might not print black ink if it has not been calibrated. Thus, calibrating an HP printer by making its printhead might fix its printing. Most HP printers come with a printhead option on their printer maintenance or tools control panel menus that users can calibrate them. If you are unable to get it done on your own then we have an expert's team who can help you to get it done.