Unverified85% confidenceCautionTime unknown
只有明确需要打印A3工程图、报表或海报时才选A3激光机，A3机身体积、重量和耗材成本远高于A4，普通办公99%需求A4足够，不要为极少用A3而买
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Unverified需打印A3图纸、海报的用户不要买标称A4的机型，必须确认最大纸张规格支持A3，且需注意A3机型体积明显更大84% similarUnverified含A0/A1大幅纸样的电子教程需商用打印机或拼接A4打印（拼图式打印），家用打印机需数十张纸拼接对齐，误差累积会影响成衣精度，购买前确认纸样交付方式69% similarUnverified追求纯便携性(经常出差随身带)不要选平板式扫描仪，其体积重量接近A4纸尺寸且较厚，应选笔式或折叠馈纸式67% similarUnverified需要打印机批量打印内容的便利贴不要买普通手写款，应选专用可打印便利贴(带A4底衬定位模板)，否则普通款过纸易卡纸或错位66% similarUnverified6寸(4R,10x15cm)是家用照片打印最经济尺寸，A4相纸单张成本约为6寸的4-5倍但可裁切多张，批量打印小图选A4更省65% similar
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