我在 ubuntu 16.04 上运行，从 15.10 升级（可能不相关）。由于依赖性问题，我无法安装 libcups2-dev。我概述了下面的问题和故障排除步骤：
我的问题：
安装 libcups2-dev（用于 dymo 打印机）的以下命令会得到以下响应：
~ % sudo apt-get install libcups2-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages …