1、打印機上的CA的意思是：取消所有。
2、打印機是計算機的輸出設備之一，用于将計算機處理結果打印在相關介質上。衡量打印機好壞的指标有三項：打印分辨率，打印速度和噪聲。打印機的種類很多，按打印元件對紙是否有擊打動作，分擊打式打印機與非擊打式打印機。按打印字符結構，分全形字打印機和點陣字符打印機。
打印機上的CA是什麼意思
更新时间：2025-11-17 15:30:40
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