针式打印机在一些学校里使用较为普遍，色带是其主要耗材，如果保养得当，其性价比是喷墨和激打根本不能比的。我把平时使用针打的几点心得写下，也许对你有些帮助。一、养成根据纸张厚薄调节打印头到纸张之间距离的习惯。原则是能大则大，只要打印效果合乎要求。对于新上色带? Dot matrix printers are more commonly used in some schools. Ribbons are the main consumables. If properly maintained, their price / performance ratio is simply not comparable to inkjet or laser. I usually use the needle to write a few tips, maybe some help to you. First, develop according to the thickness of the paper to adjust the print head to the paper the distance between the habit. The principle can be big and big, as long as the printing effect meets the requirements. For the new ribbon?