https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122462#M250054 <P>给打印机升级了固件（固件包：2051B），结果使用USB连不上电脑，请问各位大神，怎样给打印机固件降级（型号：HP Smart Tank 518）</P><P>**注**：请不要说使用无线连接，因为用无线连接，打印机反应太慢了，要等好久</P> Wed, 20 Oct 2021 13:12:04 GMT RemyYYZ 2021-10-20T13:12:04Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122462#M250054 <P>给打印机升级了固件（固件包：2051B），结果使用USB连不上电脑，请问各位大神，怎样给打印机固件降级（型号：HP Smart Tank 518）</P><P>**注**：请不要说使用无线连接，因为用无线连接，打印机反应太慢了，要等好久</P> Wed, 20 Oct 2021 13:12:04 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122462#M250054 RemyYYZ 2021-10-20T13:12:04Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122565#M250075 <P>您好</P><P>打印机的固件无法降级.感谢您的支持与理解.</P> Thu, 21 Oct 2021 03:53:05 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122565#M250075 双鱼座鲨鱼 2021-10-21T03:53:05Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122580#M250083 <P>那你们惠普也应当对这种BUG做个修复啊</P> Thu, 21 Oct 2021 04:35:18 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122580#M250083 RemyYYZ 2021-10-21T04:35:18Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122692#M250108 <P>只有更换主板，或者更高级的操作，找 一块完好同型号主析，拿下ROM，用superro580U读取后，再写入你的坏板，就好了，建议你换主板吧，这个操作简单。</P> Thu, 21 Oct 2021 16:49:01 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1122692#M250108 汤姆叔叔 2021-10-21T16:49:01Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1131858#M252046 <P><FONT face="hpsimplifiedhans-light,arial,sans-serif" size="2">您好！我购买的第三方墨盒没办法使用了，卖家说是因为更新了固件。固件不能回退的话，有其他办法解决吗？型号是</FONT><FONT face="hpsimplifiedhans-light,arial,sans-serif" size="2">PageWide Pro 477dw</FONT></P> Thu, 02 Dec 2021 05:03:13 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/ru-he-gei-da-yin-ji-gu-jian-jiang-ji/m-p/1131858#M252046 Patrick2021 2021-12-02T05:03:13Z