If your HP printer not printing, it can be because it is offline. Some other reasons include insufficient paper ink or toner. Paper jams and faulty printer cartridges also prevent the printer from printing. Restart your printer and give it a print command. You can also use the free HP Print and Scan Doctor to diagnose the issue. Follow the instructions that the program gives a... https://www.hpprintersupportpro.com/blog/how-to-fix-hp-printer-wont-print-black-issue/