According to the basic control requirements, for instance, page control, carriage return, and new line control, the chromatography printing model and the corresponding C description for EPSON 300K are given.

• 在考虑了打印页的尺寸 (规格 )、以及回车换行基本控制要求的基础上 ；给出了套打打印模型以及针对 EPSON30 0 K的 C语言描述 .