Installation Manual 1. The label ribbon will inevitably become loose during transportation, so when opening a new ribbon, please twist it correctly in the direction of the recycling wheel, and then put it back in the machine. 2. Eccentric membrane: originally there will be this phenomenon, we control it within 0.25-0.3mm. 3. The text is not clear: there is dust on the print head of the machine. Solution: Wipe clean with alcohol cotton. 4. Unable to input words or lack of text: the function area is wrinkled. Solution: If the socket is wrinkled, use a small object to flatten it. Or print some more to see if it wrinkles.