不同类型的打印机不仅它们的物理结构、应用领域不相同，而且打印原理也有本质的区别，至于打印技术就更是完全不同了。下面就当今打印机领域应用最为广泛的针式打印机、喷墨打印机、激光打印机和热转换打印机等的工作原理作一描述。-Different types of printers not only their physical structure, applications are not the same, and printing principle, there are fundamental di