ITP04 How to clean the print head?

1）Turn off the printer and remove the paper roll from the printer cover.

2）Please dip a cotton cloth or cotton swab in medical alcohol to clean the printer head , and wait for 1 to 2 minutes before using the printer again.

Demo vedio: https://u.pcloud.link/publink/show?code=XZBH5B0ZYykW0cGyVNQM4qeuHlhJhRe06hv7