https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1113828#M248307 <P>感谢，后来更换了加热组件解决问题了，根本不是电源问题。</P> Wed, 08 Sep 2021 15:39:09 GMT 山顶的老树 2021-09-08T15:39:09Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1109471#M247411 <P> 惠普77422一体机（复合机），新机4000张打印量，第一次卡纸故障后，取出后即报该故障，找惠普售后咨询说是,加热组件的报错，非说电源环境不行，学校有专用变压器，大型配电箱，当售后面万用表测试电压稳着，说怀疑缺接地，立即地板打眼捷地线入土，售后来修数小时后至晚上八九点，期间换了最里的一张板子，中间试机乱报故障，最后也是不晓得咋好的。（中间没打印）隔一天打印一百页左右，卡纸一张，热机，算不上纸潮。故障出现，无语。重启也无效。专业工程师有没有呢，售后我看也无奈。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="8963536A-5AA5-4548-A497-64FBC5B5AE27.jpeg" style="width: 1170px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/61983iD7624DFC89E813D8/image-size/medium?v=v2&amp;px=400" role="button" title="8963536A-5AA5-4548-A497-64FBC5B5AE27.jpeg" alt="8963536A-5AA5-4548-A497-64FBC5B5AE27.jpeg" /></span></P><P> </P> Sat, 21 Aug 2021 14:27:00 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1109471#M247411 山顶的老树 2021-08-21T14:27:00Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1109661#M247442 <P>您好</P><P>如果&nbsp;排除电源环境问题，可能和打印机的加热组件或电源板有关。</P><P>建议联系维修中心具体检测打印机。</P><P>这是维修中心查询链接：<A href="http://support.hpicss.com/ascindex_detail.aspx" target="_blank">http://support.hpicss.com/ascindex_detail.aspx</A><BR />给您带来不带，敬请谅解</P> Mon, 23 Aug 2021 02:31:42 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1109661#M247442 双鱼座鲨鱼 2021-08-23T02:31:42Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1113828#M248307 <P>感谢，后来更换了加热组件解决问题了，根本不是电源问题。</P> Wed, 08 Sep 2021 15:39:09 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu77422gu-zhang50-ff-05cuo-wu-wu-fa-da-yin-fu-yin/m-p/1113828#M248307 山顶的老树 2021-09-08T15:39:09Z