https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/mfp-e78223dn-chu-xian49-09-02cuo-wu/m-p/1192365#M263934 <P>您好</P><P>请尝试打印机只连接电源线，开机。</P><P>确认打印机是否可以就绪。</P><P>如果问题依旧，可尝试复位打印机后再重新测试。</P><P>注：复位前一定要保存打印机之前设置，包括如果安装了字库条，需要将其取下...</P><P>复位方法：</P><P>1打印机开机，显示1/8时，按住hp logo</P><P>2选择Administrator，按ok</P><P>3选择Startup Options，按ok</P><P>4Cold Reset，按ok</P><P>5&nbsp;Continue，按ok</P><P>完成复位后，重新测试，谢谢。</P><P>&nbsp;</P> Fri, 14 Oct 2022 04:55:20 GMT 双鱼座鲨鱼 2022-10-14T04:55:20Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/mfp-e78223dn-chu-xian49-09-02cuo-wu/m-p/1192362#M263933 <P>打印和复印都不行，按照控制台关闭电源重启依旧不行</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mmexport1665721303155.jpg" style="width: 859px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/80530iE1D9224AD4BA4BB8/image-size/medium?v=v2&amp;px=400" role="button" title="mmexport1665721303155.jpg" alt="mmexport1665721303155.jpg" /></span></P> Fri, 14 Oct 2022 04:23:00 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/mfp-e78223dn-chu-xian49-09-02cuo-wu/m-p/1192362#M263933 胡小飞 2022-10-14T04:23:00Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/mfp-e78223dn-chu-xian49-09-02cuo-wu/m-p/1192365#M263934 <P>您好</P><P>请尝试打印机只连接电源线，开机。</P><P>确认打印机是否可以就绪。</P><P>如果问题依旧，可尝试复位打印机后再重新测试。</P><P>注：复位前一定要保存打印机之前设置，包括如果安装了字库条，需要将其取下...</P><P>复位方法：</P><P>1打印机开机，显示1/8时，按住hp logo</P><P>2选择Administrator，按ok</P><P>3选择Startup Options，按ok</P><P>4Cold Reset，按ok</P><P>5&nbsp;Continue，按ok</P><P>完成复位后，重新测试，谢谢。</P><P>&nbsp;</P> Fri, 14 Oct 2022 04:55:20 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/mfp-e78223dn-chu-xian49-09-02cuo-wu/m-p/1192365#M263934 双鱼座鲨鱼 2022-10-14T04:55:20Z