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DEPENDENCY AND CONFLICT RESOLUTION
----------------------------------
Running 'sudo apt-get install --assume-yes gtk2-engines-pixbuf'
Please wait, this may take several minutes...
Running 'sudo apt-get install --assume-yes python-pyqt5'
Please wait, this may take several minutes...
Running 'sudo apt-get install --assume-yes python-dbus.mainloop.pyqt5'
Please wait, this may take several minutes...
error: A required dependency 'pyqt5 (PyQt 5- Qt interface for Python (for Qt version 4.x))' is still missing.


RUNNING POST-PACKAGE COMMANDS
-----------------------------
OK


RE-CHECKING DEPENDENCIES
------------------------
error: A required dependency 'pyqt5 (PyQt 5- Qt interface for Python (for Qt version 4.x))' is still missing.
error: Installation cannot continue without this dependency.
error: Please manually install this dependency and re-run this installer.


哪位大神帮忙解决一下？

这个安装程序是什么？下载地址？

hplip-3.19.5.run

据HP自己的发布日志，在hplip 3.12.2版时就支持了P1108型号。而19.04桌面版里自带的hplip版本已经到了3.19.1，应该不需要再手动安装更新版本的软件。
如果你用的是服务器版没有预装hplip，手动sudo apt install hplip就行了

我们的经验，在 Ubuntu 18.04/19.04 里，如果 hplip 的版本太新常常会出现依赖的问题。我们从 19.10 开机后，直接由 Ubuntu repository 装就可以了：
之后，执行 hp-setup 就可以自动装设 hp-plugin。

https://forum.ubuntu.com.cn/viewtopic.p ... 45&start=2