小白一个，安装deepin后，打印设置打不开。在命令行中输入system-config-printer,出现错误
litao@litao-PC:~$ system-config-printer
Traceback (most recent call last):
File "/usr/share/system-config-printer/system-config-printer.py", line 29, in
import dbus
ModuleNotFoundError: No module named 'dbus'
中文 
litao@litao-PC:~$ system-config-printer
Traceback (most recent call last):
File "/usr/share/system-config-printer/system-config-printer.py", line 29, in
import dbus
ModuleNotFoundError: No module named 'dbus'
请教这是什么原因？