该主题 https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208548#M267751 <P>您好</P><P>在保机器，手机拔打400-610-3888</P><P>说明情况，报修即可</P> Wed, 04 Jan 2023 10:00:20 GMT 双鱼座鲨鱼 2023-01-04T10:00:20Z 79 service error turn off then on https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208431#M267735 <P>新买的color laserjet pro mfp M280nw,连接wifi成功后，反复初始化自动重启，提示79 service error turn off then，断电后再开机问题仍然存在。</P> Wed, 04 Jan 2023 05:57:40 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208431#M267735 VH2023 2023-01-04T05:57:40Z Re: 79 service error turn off then on https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208442#M267738 <P>您好</P><P>可以尝试复位打印机试一下。</P><P>复位方法：</P><P class=""><SPAN class=""><SPAN>1.&nbsp;</SPAN></SPAN><SPAN class=""><SPAN>关闭打印机</SPAN></SPAN></P><P class=""><SPAN class=""><SPAN>2.&nbsp;</SPAN></SPAN><SPAN class=""><SPAN>先开机，屏幕出现hp logo时候，马上按住触屏左下角位置</SPAN></SPAN></P><P class=""><SPAN class=""><SPAN>3.&nbsp;</SPAN></SPAN><SPAN class=""><SPAN>当打印机屏幕出现&nbsp;Permanent Storage Init&nbsp;字幕时，可以松手了</SPAN></SPAN></P><P class=""><SPAN class=""><SPAN>4. NVRAM</SPAN></SPAN><SPAN class=""><SPAN>初始化开始，等待机器就绪即可</SPAN></SPAN></P><P class=""><SPAN class=""><SPAN>然后重新测试</SPAN></SPAN></P><P class=""><SPAN class=""><SPAN>如果问题依旧，可能和固件有关，建议联系维修中心具体检测打印机。</SPAN></SPAN></P><P class=""><SPAN class=""><SPAN>维修中心查询：<BR />手机微信关注“hp_service”或搜索“惠普服务”微信公众号，扫描二维码即可查询到当地维修中心信息。<BR /></SPAN></SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1672814672086.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/84203iD9A57525C944AE5E/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1672814672086.png" alt="_0-1672814672086.png" /></span></P><P>&nbsp;</P> Wed, 04 Jan 2023 06:47:43 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208442#M267738 双鱼座鲨鱼 2023-01-04T06:47:43Z Re: 79 service error turn off then on https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208532#M267747 <P>谢谢回复。新机器不应该出现这样的问题，为了避免以后麻烦不断，我们选择退货了。</P> Wed, 04 Jan 2023 09:27:25 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208532#M267747 VH2023 2023-01-04T09:27:25Z Re: 79 service error turn off then on https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208535#M267748 <P>您好</P><P>以上故障可能和打印机升级固件有关。</P><P>应该不属于硬件问题，对打印机降级固件问题应该就能解决。</P><P>给您带来不便，敬请谅解。</P> Wed, 04 Jan 2023 09:30:41 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208535#M267748 双鱼座鲨鱼 2023-01-04T09:30:41Z Re: 79 service error turn off then on https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208543#M267750 <P>主要就是惠普没有人能上门来帮我们解决问题，而是需要靠我们根据你们的回复自己去试，去摸索。我们没有时间也没有精力专门去研究处理。如果惠普在乎客户的使用体验的话，就应该安排工程师上门服务处理。</P> Wed, 04 Jan 2023 09:49:45 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208543#M267750 VH2023 2023-01-04T09:49:45Z Re: 79 service error turn off then on https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208548#M267751 <P>您好</P><P>在保机器，手机拔打400-610-3888</P><P>说明情况，报修即可</P> Wed, 04 Jan 2023 10:00:20 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/79-service-error-turn-off-then-on/m-p/1208548#M267751 双鱼座鲨鱼 2023-01-04T10:00:20Z