https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1365022#M311834 <P>您好</P> <P>请问升级固件后，电脑端是否有提示：升级成功的字样？</P> <P>&nbsp;</P> Mon, 20 Oct 2025 02:29:46 GMT 双鱼座鲨鱼 2025-10-20T02:29:46Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364892#M311800 <P>需要打印一份文件，然后发现被挂起，显示打印机脱机，重启电脑，重启打印机都无法解决，HPsmart也检测不出，就是显示脱机</P> Sat, 18 Oct 2025 11:29:43 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364892#M311800 VSp 2025-10-18T11:29:43Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364900#M311807 <P>您好</P> <P>请问打印机和电脑是通过什么方式连接的？</P> <P>同时，请在电脑上打开控制面板--设备和打印机--找到打印机图标。</P> <P>右击它--打印机属性--端口。</P> <P>再找到前面带√号的端口，发图片给我，以便确认问题，谢谢。</P> Sat, 18 Oct 2025 12:34:54 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364900#M311807 双鱼座鲨鱼 2025-10-18T12:34:54Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364934#M311815 <P>我刚才致电惠普客服，说要升级固件，然后我升级固件后，屏幕出现ER80代码，重启，按X+上恢复都没 用，咋办</P> Sun, 19 Oct 2025 05:35:12 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364934#M311815 VSp 2025-10-19T05:35:12Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364936#M311817 <P>现在又出现了ER49的错误代码</P> Sun, 19 Oct 2025 05:57:38 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1364936#M311817 VSp 2025-10-19T05:57:38Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1365022#M311834 <P>您好</P> <P>请问升级固件后，电脑端是否有提示：升级成功的字样？</P> <P>&nbsp;</P> Mon, 20 Oct 2025 02:29:46 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/xian-shi-tuo-ji-hou-yi-zhi-wu-fa-lian-shang/m-p/1365022#M311834 双鱼座鲨鱼 2025-10-20T02:29:46Z