https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1167904#M259130 <P>DJ4720喷墨打印机，打印出来的纸张背面有黑色竖条点线。好像是安装新墨盒后出现的，换了另一个墨盒问题仍有。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1654402339164.jpg" style="width: 3072px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/74840i9C1072AA331F8BD0/image-size/medium?v=v2&amp;px=400" role="button" title="1654402339164.jpg" alt="1654402339164.jpg" /></span></P><P> </P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1654402400174.jpg" style="width: 3072px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/74841i6B120D266FE63F79/image-size/medium?v=v2&amp;px=400" role="button" title="1654402400174.jpg" alt="1654402400174.jpg" /></span></P><P> </P> Sun, 05 Jun 2022 04:13:50 GMT sunq 2022-06-05T04:13:50Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1167904#M259130 <P>DJ4720喷墨打印机，打印出来的纸张背面有黑色竖条点线。好像是安装新墨盒后出现的，换了另一个墨盒问题仍有。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1654402339164.jpg" style="width: 3072px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/74840i9C1072AA331F8BD0/image-size/medium?v=v2&amp;px=400" role="button" title="1654402339164.jpg" alt="1654402339164.jpg" /></span></P><P> </P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1654402400174.jpg" style="width: 3072px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/74841i6B120D266FE63F79/image-size/medium?v=v2&amp;px=400" role="button" title="1654402400174.jpg" alt="1654402400174.jpg" /></span></P><P> </P> Sun, 05 Jun 2022 04:13:50 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1167904#M259130 sunq 2022-06-05T04:13:50Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1168044#M259159 <P>您好</P><P>从故障描述来看，可能是打印机内部（纸路）脏造成的。</P><P>建议清洁打印机整个纸路后，重新测试，谢谢。</P> Mon, 06 Jun 2022 03:03:02 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1168044#M259159 双鱼座鲨鱼 2022-06-06T03:03:02Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1168062#M259166 <P>应该是的，昨天清理了一下，里面很脏，清理完好像的确没有了，再持续观察一段时间，谢谢</P> Mon, 06 Jun 2022 03:53:40 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/DJ4720pen-mo-da-yin-ji-da-yin-chu-lai-de-zhi-zhang-bei-mian-you-hei-se-shu-tiao-dian-xian/m-p/1168062#M259166 sunq 2022-06-06T03:53:40Z