我的打印机不再显示在我的设置 -> 设备 GUI 菜单中。而是显示“抱歉！系统打印服务似乎不可用。”
我尝试在 'net 上搜索想法，并使用以下输出运行这些终端命令：
john@john-max:~$ sudo service cups restart
john@john-max:~$ systemctl status cups
? cups.service - CUPS Scheduler
Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)
Active: failed (Result: start-limit-hit) since Mon 2018-08-13 15:07:46 EDT; 14s ago
Docs: man:cupsd(8)
Process: 3314 ExecStart=/usr/sbin/cupsd -l (code=killed, signal=TERM)
Main PID: 3314 (code=killed, signal=TERM)
Aug 13 15:07:46 john-max systemd[1]: cups.service: Service hold-off time over, scheduling restart.
Aug 13 15:07:46 john-max systemd[1]: cups.service: Scheduled restart job, restart counter is at 5.
Aug …