半杯清茶半页书 2021-06-07 22:24 例如ABS开发者_StackOverflow社区EBDTCS==...（每个详细介绍下）突尼斯诸葛瑾开发者_StackOverflow中文版
I\'m trying to find a way to get paper status from a POS pr开发者_开发技巧inter; I think I would use GS a, GS r sequence but I cannot understand how to return info from the printer; I\'m under Linux,
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