My printer is only printing the top of the letters. how can i fix it

I would try another printer cartridge.

In such type of situation, you need to reinstall the updated printer driver. The outdated printer driver causes many issues in a printer. Sometimes the Operating system incompatibility causes these type of problem. So, update the driver first. If you still facing the same problem then Dial
HP Printer technical support Phone number for quick online assistance for resolving technical issues like printer installation, Driver updation and many more.