https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/4648yi-ti-da-yin-ji-lian-jie-dian-yuan-xian-mei-you-ren-he-fan-ying/m-p/1086243#M242644 <P>打印机使用频率不高，放办公室一直插电待机，十几天前打印正常，昨晚需要使用时一看打印机指示灯没亮，按开关按钮打印机没任何反应。已初步检查不是电源线问题，同时通过观察口看到电源模块的指示灯会亮。请大家帮忙为我指明检修方向，谢谢！</P> Sun, 18 Apr 2021 09:05:37 GMT WDH 2021-04-18T09:05:37Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/4648yi-ti-da-yin-ji-lian-jie-dian-yuan-xian-mei-you-ren-he-fan-ying/m-p/1086243#M242644 <P>打印机使用频率不高，放办公室一直插电待机，十几天前打印正常，昨晚需要使用时一看打印机指示灯没亮，按开关按钮打印机没任何反应。已初步检查不是电源线问题，同时通过观察口看到电源模块的指示灯会亮。请大家帮忙为我指明检修方向，谢谢！</P> Sun, 18 Apr 2021 09:05:37 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/4648yi-ti-da-yin-ji-lian-jie-dian-yuan-xian-mei-you-ren-he-fan-ying/m-p/1086243#M242644 WDH 2021-04-18T09:05:37Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/4648yi-ti-da-yin-ji-lian-jie-dian-yuan-xian-mei-you-ren-he-fan-ying/m-p/1086343#M242663 <P>您好</P><P>从故障描述来看，主板存在问题可能性较大。</P> Mon, 19 Apr 2021 03:04:15 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/4648yi-ti-da-yin-ji-lian-jie-dian-yuan-xian-mei-you-ren-he-fan-ying/m-p/1086343#M242663 双鱼座鲨鱼 2021-04-19T03:04:15Z