The ribbon cassette is the ribbon holder, which is a dedicated device for loading ribbons in dot matrix printers. The ribbon/ribbon core is like the ink of an inkjet printer, and the ribbon holder/ribbon cassette is like an ink cartridge.
1. Open the upper plastic cover and remove the ribbon holder;
2. Carefully pull the ribbon holder apart and use tweezers to Take out the steel sheet carefully, then remove the old ribbon and replace it with a new ribbon.
Be careful not to twist the ribbon. Once you twist the ribbon, it is easy to pierce and cause the needle to break. When loading the ribbon cassette, pay attention to the fixation and stability.