在快速网络搜索后找到此实现可能有所帮助： https://code.google.com/p/escprinter/source/browse/trunk/net/drayah/matrixprinter/ESCPrinter.java?r=2

Found this implementation after a quick web search, may help: https://code.google.com/p/escprinter/source/browse/trunk/net/drayah/matrixprinter/ESCPrinter.java?r=2