联想LJ2400 Linux arm打印机驱动

https://lenovo-upload.oss-cn-beijing.aliyuncs.com/drivers/LJ2400%20Series_drivers_Lin_20181106101127.7z 

方法2：系统自带驱动bro DCP-7055 V6.ppd

（需安装补丁包，arm架构安装printer-driver-brlaser_6-1build1_arm64printer-driver-brlaser_6-1build1_arm64.deb，mips架构安装printer-driver-brl