Hey There, I am Sofia Carter. If HP Printer Not Printing Black, there are possibly some issues. In general, clogged nozzle HP printers do not print in black ink. As a result, cleaning the print head may be the best approach. It's worth noting that you'll have to repeat this process a few times to entirely repair the issue. For the record, cleaning a printing head is a little task. In an HP printer, this is distinct. You can also select Deep Cleaning or Print-head Cleaning.