https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091209#M243712 <P>我就是这样操作&nbsp; &nbsp;不行啊&nbsp; &nbsp;&nbsp;</P> Mon, 17 May 2021 02:31:15 GMT 64276360 2021-05-17T02:31:15Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091151#M243695 <P>惠普7740固件1605A怎么升级到1851A或者更高？我尝试联网升级都失败。</P> Sun, 16 May 2021 06:55:39 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091151#M243695 64276360 2021-05-16T06:55:39Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091200#M243708 <P>您好</P><P>升级固件存在风险，过保机器建议联系维修中心处理。</P><P>更新方法：</P><P>通过电脑浏览器登录打印机web--工具选项--在打印机更新部分，单击固件更新。</P><P>操作过程中电脑和打印机不能关机，不能断电，直到完成更新。</P> Mon, 17 May 2021 01:43:24 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091200#M243708 双鱼座鲨鱼 2021-05-17T01:43:24Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091209#M243712 <P>我就是这样操作&nbsp; &nbsp;不行啊&nbsp; &nbsp;&nbsp;</P> Mon, 17 May 2021 02:31:15 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091209#M243712 64276360 2021-05-17T02:31:15Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091477#M243756 <P>您好</P><P>建议联系维修中心帮您处理</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></P><P>给您带来不便，敬请谅解。</P> Tue, 18 May 2021 09:13:39 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1091477#M243756 双鱼座鲨鱼 2021-05-18T09:13:39Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1093715#M244296 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mmexport1622524039147.jpg" style="width: 1440px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/58342i4822DB0FF87599E0/image-size/medium?v=v2&amp;px=400" role="button" title="mmexport1622524039147.jpg" alt="mmexport1622524039147.jpg" /></span></P><P> 按你说的方法也更新不了。为什么会这样子？</P> Tue, 01 Jun 2021 05:08:35 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1093715#M244296 64276360 2021-06-01T05:08:35Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1093716#M244297 <P>您好</P><P>请确认打印机处于就绪状态。</P><P>有条件可以更换其它网络环境测试。</P><P>如果问题依旧，建议联系维修中心处理。</P><P>给您带来不便，敬请谅解。</P> Tue, 01 Jun 2021 05:28:40 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/hui-pu7740gu-jian1605A-zen-me-sheng-ji-dao1851A-huo-zhe-geng-gao/m-p/1093716#M244297 双鱼座鲨鱼 2021-06-01T05:28:40Z