https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340414#M305186 <P>您好</P> <P>请下载并解压7720驱动（不要双击运行）</P> <P><A href="https://ftp.hp.com/pub/softlib/software13/printers/OJPRO7720/Full_Webpack-44.11.2778-OJ7720_Full_Webpack.exe" target="_blank">https://ftp.hp.com/pub/softlib/software13/printers/OJPRO7720/Full_Webpack-44.11.2778-OJ7720_Full_Webpack.exe</A></P> <P>然后在电脑上打开控制面板--设备和打印机--添加打印机--添加本地打印机--选择正确的端口。</P> <P>再选择从磁盘安装--浏览到解压好的文件夹下，选择其中任意一个inf格式的文件。</P> <P>按提示操作，下一步，下一步，直到完成。</P> <P>最后请使用7720驱动重新测试打印效果，谢谢。</P> Sat, 19 Apr 2025 00:42:57 GMT 双鱼座鲨鱼 2025-04-19T00:42:57Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340201#M305125 <P>HP7730打印机打印用A4打印表格没有问题，用A3打印横线呈锯齿状。已清洗探头2次，校正探头3次，问题依旧</P> Thu, 17 Apr 2025 07:30:19 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340201#M305125 536962 2025-04-17T07:30:19Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340206#M305126 <P>您好</P> <P>请在电脑上打开hp smart。</P> <P>再点击打印机设置--高级设置--工具--质量工具。</P> <P>然后打印质量页，发图片给我，以便确认问题，谢谢。</P> Thu, 17 Apr 2025 07:35:02 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340206#M305126 双鱼座鲨鱼 2025-04-17T07:35:02Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340392#M305184 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="微信图片_20250418174511.jpg" style="width: 600px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120607i029CF99B45F6F233/image-size/large?v=v2&amp;px=999" role="button" title="微信图片_20250418174511.jpg" alt="微信图片_20250418174511.jpg" /></span></P> Fri, 18 Apr 2025 09:47:18 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340392#M305184 536962 2025-04-18T09:47:18Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340414#M305186 <P>您好</P> <P>请下载并解压7720驱动（不要双击运行）</P> <P><A href="https://ftp.hp.com/pub/softlib/software13/printers/OJPRO7720/Full_Webpack-44.11.2778-OJ7720_Full_Webpack.exe" target="_blank">https://ftp.hp.com/pub/softlib/software13/printers/OJPRO7720/Full_Webpack-44.11.2778-OJ7720_Full_Webpack.exe</A></P> <P>然后在电脑上打开控制面板--设备和打印机--添加打印机--添加本地打印机--选择正确的端口。</P> <P>再选择从磁盘安装--浏览到解压好的文件夹下，选择其中任意一个inf格式的文件。</P> <P>按提示操作，下一步，下一步，直到完成。</P> <P>最后请使用7720驱动重新测试打印效果，谢谢。</P> Sat, 19 Apr 2025 00:42:57 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP7730da-yinA3biao-ge-heng-xian-cheng-ju-chi-zhuang/m-p/1340414#M305186 双鱼座鲨鱼 2025-04-19T00:42:57Z