从应用程序打印工作。hp-toolbox有时无法连接。Xsane 弹出标题中的错误消息。通过网络连接，我可以 ping 设备，我可以打印到它。
一体机曾经在不久前（至少在 12.04 之前）运行良好。
的输出hp-check -rt如下：
HP Linux Imaging and Printing System (ver. 3.12.2)
Dependency/Version Check Utility ver. 14.3
Copyright (c) 2011-14 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.
Note: hp-check can be run in three modes:
1. Compile-time check mode (-c or --compile): Use this mode before compiling …