在Ubuntu 16.04上已经解决了连接Laser Jet Pro MFP M128fn网络打印机的问题。
经过测试，可以实现打印。
解决方案如下：
1.在终端运行hp-check -r命令，进行打印机安装检查，等待结果...
虽然没有错误，但有警告提示信息如下(检测过程省略)：HP_LaserJet_Pro_MFP_M128fn
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Type: Unknown
Device URI: socket://192.168.1.3
PPD: /etc/cups/ppd/HP_LaserJet_Pro_MFP_M128fn.ppd
warning: Failed to read /etc/cups/ppd/HP_LaserJet_Pro_MFP_M128fn.ppd ppd file
PPD Description:
Printer status: printer HP_LaserJet_Pro_MFP_M128fn is idle. enabled since 2017年08月07Waiting for printer to finish.
warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: CUPS backend for HP-Devices.
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| PERMISSION |
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| SUMMARY |
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Missing Required Dependencies
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