HP recommends that you use genuine HP ink or toner supplies. HP cannot guarantee the quality or reliability of non-HP or refilled cartridges. If you do not use genuine HP cartridges, the steps in this document might not resolve the issue. To check the authenticity of your cartridges, go to hp.com/go/anticounterfeit.
Visit HP SureSupply to check ink or toner cartridge compatibility or purchase replacement cartridges and other supplies.
Follow the on-screen instructions to order new supplies or check cartridge compatibility with your printer.
You can also purchase genuine HP cartridges and supplies from other retailers.
Solution two: Allow the printer to rest
Many print quality problems, such as poor black text or issues that occur with a newly installed cartridges, clear up with the printer's automatic servicing routine. There is nothing you need to do. The print quality should start improving in a few hours.
If automatic servicing resolved the issue, you can stop troubleshooting.