Ubuntu 18.04.2 LTS 上“系统打印服务似乎不可用”

Ubuntu 18.04.2 LTS 上“系统打印服务似乎不可用”

昨天打印还可以,但不知什么原因停止了。我唯一做的就是更改了一些可编辑的打印机设置,但现在无法更改回来。我尝试了论坛上已经发布的一个答案(“打印服务不可用”),但没有成功。

然后我发现问题,“系统打印服务不可用 ubuntu 18.10”并运行:systemctl status cups.service 返回

   Loaded: loaded (/lib/systemd/system/cups.service; enabled; vendor preset: enabled)
   Active: failed (Result: start-limit-hit) since Fri 2019-05-10 12:53:47 BST; 35min ago
     Docs: man:cupsd(8)
  Process: 4222 ExecStart=/usr/sbin/cupsd -l (code=killed, signal=TERM)
 Main PID: 4222 (code=killed, signal=TERM)

May 10 12:53:47 mike-XPS-13-9370 systemd[1]: cups.service: Service hold-off time over, scheduling restart.
May 10 12:53:47 mike-XPS-13-9370 systemd[1]: cups.service: Scheduled restart job, restart counter is at 5.
May 10 12:53:47 mike-XPS-13-9370 systemd[1]: Stopped CUPS Scheduler.
May 10 12:53:47 mike-XPS-13-9370 systemd[1]: cups.service: Start request repeated too quickly.
May 10 12:53:47 mike-XPS-13-9370 systemd[1]: cups.service: Failed with result 'start-limit-hit'.
May 10 12:53:47 mike-XPS-13-9370 systemd[1]: Failed to start CUPS Scheduler.

我也尝试过这个:

mike@mike-XPS-13-9370:~$ systemctl status cups.socket
● cups.socket - CUPS Scheduler
   Loaded: loaded (/lib/systemd/system/cups.socket; enabled; vendor preset: enabled)
   Active: failed (Result: start-limit-hit) since Fri 2019-05-10 12:29:05 BST; 2h 23min ago
   Listen: /run/cups/cups.sock (Stream)

May 10 12:29:05 mike-XPS-13-9370 systemd[1]: Listening on CUPS Scheduler.
May 10 12:29:05 mike-XPS-13-9370 systemd[1]: Closed CUPS Scheduler.
May 10 12:29:05 mike-XPS-13-9370 systemd[1]: Stopping CUPS Scheduler.
May 10 12:29:05 mike-XPS-13-9370 systemd[1]: cups.socket: Start request repeated too quickly.
May 10 12:29:05 mike-XPS-13-9370 systemd[1]: cups.socket: Failed with result 'start-limit-hit'.
May 10 12:29:05 mike-XPS-13-9370 systemd[1]: Failed to listen on CUPS Scheduler.

计算机是戴尔 XPS,配备 Intel® Core™ i7-8550U CPU @ 1.80GHz × 8 处理器;Intel® UHD Graphics 620 (Kabylake GT2) 显卡;运行 Gnome 3.28.2 且为 64 位。我是唯一的用户,但当我搜索“cups”时,文件系统只显示 .cups 文件夹,其中只有 1 个文件 (lpoptions),位于 Home>Mike>.cups 中。

如果我尝试使用疑难解答程序,它会告诉我在主菜单>系统>管理>服务中查找 cups 服务,但我找不到主菜单,我注意到其他人也遇到了找不到它的问题!

我对 Linux 完全是个新手,所以需要有人手把手地指导。谢谢!

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