https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/qiu-zhu-xing-hao-HP-LaserJet-M1522nf-wu-fa-zheng-chang-qi-dong-xian-shi-49-Service-Error/m-p/1224614#M271351 <P>求助 型号 HP LaserJet M1522nf, 无法正常启动, 显示 49 Service Error.</P><P>与供应者联系,更换了两块无问题的主板 (仅大块的), 已基本排除主板故障的问题.&nbsp;</P><P>开机时会进入初始化界面, 但进度条只能走到 1/3.</P><P>求助, 不胜感谢!</P> Sat, 01 Apr 2023 10:47:48 GMT 科文雨 2023-04-01T10:47:48Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/qiu-zhu-xing-hao-HP-LaserJet-M1522nf-wu-fa-zheng-chang-qi-dong-xian-shi-49-Service-Error/m-p/1224614#M271351 <P>求助 型号 HP LaserJet M1522nf, 无法正常启动, 显示 49 Service Error.</P><P>与供应者联系,更换了两块无问题的主板 (仅大块的), 已基本排除主板故障的问题.&nbsp;</P><P>开机时会进入初始化界面, 但进度条只能走到 1/3.</P><P>求助, 不胜感谢!</P> Sat, 01 Apr 2023 10:47:48 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/qiu-zhu-xing-hao-HP-LaserJet-M1522nf-wu-fa-zheng-chang-qi-dong-xian-shi-49-Service-Error/m-p/1224614#M271351 科文雨 2023-04-01T10:47:48Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/qiu-zhu-xing-hao-HP-LaserJet-M1522nf-wu-fa-zheng-chang-qi-dong-xian-shi-49-Service-Error/m-p/1224634#M271357 <P>您好</P><P>有条件可以尝试更换控制板测试一下。</P><P>如果更换主板和控制板后仍有问题，建议联系维修中心具体检测打印机。&nbsp;</P><P>&nbsp;</P> Sat, 01 Apr 2023 12:59:46 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/qiu-zhu-xing-hao-HP-LaserJet-M1522nf-wu-fa-zheng-chang-qi-dong-xian-shi-49-Service-Error/m-p/1224634#M271357 双鱼座鲨鱼 2023-04-01T12:59:46Z