Ports: Serial. Tested and working ok. This is a used product. Print Speed 300mm/second (11.8”) graphics and text. Print font Font 9 x 17/12 x 24. Important Notice. Character size 0.99(W) x 2.4(H)/1.41(W) x 3.39(H)mm {0.039 x 0.095"/0.056 x 0.133"}.
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