【多选题】【消耗次数：1】
打印机（Printer）是计算机的输出设备之一，用于将计算机处理结果打印在相关介质上。根据打印原理的不同，打印机主要分为哪3种？
①
针式打印机
②
一体打印机
③
喷墨打印机
④
激光打印机
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