https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1274924#M284745 <P>您好</P><P>非常抱歉，线上不提供打印机降低固件服务，如有此需求，建议联系当地维修中心处理。</P><P>给您带来不便，敬请谅解。</P> Wed, 31 Jan 2024 01:38:27 GMT 双鱼座鲨鱼 2024-01-31T01:38:27Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1215292#M269458 <P>由于机器升级问题，需要降级为原固件，原固件版本 20190807&nbsp; 谢谢！</P> Wed, 15 Feb 2023 12:30:27 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1215292#M269458 高新 2023-02-15T12:30:27Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1215327#M269467 <P>您好</P><P>非常抱歉，以上问题，需要联系当地维修中心。</P><P>给您带来不便，敬请谅解。</P><P>维修中心查询：<BR />手机微信关注“hp_service”或搜索“惠普服务”微信公众号，扫描二维码即可查询到当地维修中心信息。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1676509512089.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/86046iC0430AF1BEE7C39C/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1676509512089.png" alt="_0-1676509512089.png" /></span></P><P>&nbsp;</P> Thu, 16 Feb 2023 01:06:19 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1215327#M269467 双鱼座鲨鱼 2023-02-16T01:06:19Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1215344#M269477 <P>原则上不能降级固件，可以联系当地维修站获取固件试试。</P> Thu, 16 Feb 2023 02:31:53 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1215344#M269477 Tsingddi 2023-02-16T02:31:53Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1274895#M284744 <P>HP LaserJet Enterprise M527 MFP <SPAN>由于机器升级问题，需要降级为原固件，原固件版本 20190807&nbsp; 谢谢</SPAN></P> Tue, 30 Jan 2024 13:31:09 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1274895#M284744 上善若水1979 2024-01-30T13:31:09Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1274924#M284745 <P>您好</P><P>非常抱歉，线上不提供打印机降低固件服务，如有此需求，建议联系当地维修中心处理。</P><P>给您带来不便，敬请谅解。</P> Wed, 31 Jan 2024 01:38:27 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/jiang-ji-gu-jian/m-p/1274924#M284745 双鱼座鲨鱼 2024-01-31T01:38:27Z