Why is my printer creating horizontal or vertical lines on my prints?

Ensure you are using the latest driver version for your printer, downloads are available on the printer manufacturer’s website.
Clean the printer rollers, as well as the printer head.
Check the paper settings in the printer menu. It is suggested to use heavy weight paper between 80 and 100gsm
Check your printing resolution. Depending on the printer model, there could be an option to do a self-cleaning process in the settings.
Align the printer head from the menu.
Check the print layout options to ensure that the size, orientation, and other options are all set accordingly.