... line2. Font Height: 1.2mm-12mm 3. Print speed: 2m / s4. Print direction: 360 degrees5. Print content: Chinese, English, Arabic, picture6. ... 5 * 77 * 9 12 * 12 16 * 16 24 * 249. Print format: positive and negative, reverse, back reverse, Main structural characteristics1 ... achieving online3. The first to use large print head input method4. On-line print three lines of numbers in Chinese and English5 ...