https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP-OfficeJet-7740-lan-pingB80FBE4E/m-p/1221514#M270779 <P>您好</P><P>请先检查打印机内部是否有卡纸或其它异物。</P><P>同时，请重新安装打印机耗材，重启打印机测试，谢谢。</P> Fri, 17 Mar 2023 02:48:56 GMT 双鱼座鲨鱼 2023-03-17T02:48:56Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP-OfficeJet-7740-lan-pingB80FBE4E/m-p/1221505#M270775 <P>无线连接打印机，用电脑打印，突然蓝屏</P> Fri, 17 Mar 2023 02:25:11 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP-OfficeJet-7740-lan-pingB80FBE4E/m-p/1221505#M270775 comsu 2023-03-17T02:25:11Z https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP-OfficeJet-7740-lan-pingB80FBE4E/m-p/1221514#M270779 <P>您好</P><P>请先检查打印机内部是否有卡纸或其它异物。</P><P>同时，请重新安装打印机耗材，重启打印机测试，谢谢。</P> Fri, 17 Mar 2023 02:48:56 GMT https://h30471.www3.hp.com/t5/da-yin-ji-shi-yong-xiang-guan-wen-ti/HP-OfficeJet-7740-lan-pingB80FBE4E/m-p/1221514#M270779 双鱼座鲨鱼 2023-03-17T02:48:56Z