https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374809#M314957 <P>双面打印的话，不管是PDF还是word打印，总是竖着多出一条线出来<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="c8fce48d5b2a2bc10949f908421e4661.png" style="width: 600px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/130806i59F68287C18E8F58/image-size/large?v=v2&amp;px=999" role="button" title="c8fce48d5b2a2bc10949f908421e4661.png" alt="c8fce48d5b2a2bc10949f908421e4661.png" /></span></P> Wed, 07 Jan 2026 01:18:06 GMT 简朴大碗 2026-01-07T01:18:06Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374809#M314957 <P>双面打印的话，不管是PDF还是word打印，总是竖着多出一条线出来<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="c8fce48d5b2a2bc10949f908421e4661.png" style="width: 600px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/130806i59F68287C18E8F58/image-size/large?v=v2&amp;px=999" role="button" title="c8fce48d5b2a2bc10949f908421e4661.png" alt="c8fce48d5b2a2bc10949f908421e4661.png" /></span></P> Wed, 07 Jan 2026 01:18:06 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374809#M314957 简朴大碗 2026-01-07T01:18:06Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374814#M314958 <P>您好</P> <P>请下载并解压HP OfficeJet Pro 7730打印机驱动（一定不要双击运行）</P> <P><A href="https://ftp.hp.com/pub/softlib/software13/printers/OJPRO7730/Full_Webpack-44.11.2778-OJ7730_Full_Webpack.exe" target="_blank">https://ftp.hp.com/pub/softlib/software13/printers/OJPRO7730/Full_Webpack-44.11.2778-OJ7730_Full_Webpack.exe</A></P> <P>然后在电脑上打开控制面板，右击&nbsp; 设备和打印机，点击：打开。</P> <P>再点击窗口右上角的&nbsp; 添加打印机-我需要的打印机未被列出-手动添加-选择正确的端口（与之前的7720打印机保持一致即可）-下一步-从磁盘安装-浏览-找到解压好的文件夹（选择任意一个*.inf文件）安装即可。</P> <P>最后，通过手动添加的7730打印机驱动测试双面打印，谢谢。</P> <P>&nbsp;</P> Wed, 07 Jan 2026 01:51:11 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374814#M314958 双鱼座鲨鱼 2026-01-07T01:51:11Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374816#M314959 <P>意思就是重新装一下驱动哈，我把我的卸了重新装吧</P> Wed, 07 Jan 2026 01:59:35 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374816#M314959 简朴大碗 2026-01-07T01:59:35Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374822#M314961 <DIV>您好！</DIV> <DIV>十分感谢您对本次技术方案的配合与采纳。后续在设备调试、功能使用或故障排查等环节中，若您遇到任何相关问题，欢迎随时向我们发起追问，我们会第一时间响应。谢谢！</DIV> Wed, 07 Jan 2026 02:44:08 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/shuang-mian-da-yin-de-hua-zong-shi-chu-xian-yi-tiao-shu-xian/m-p/1374822#M314961 双鱼座鲨鱼 2026-01-07T02:44:08Z