我的是Xerox DocuPrint N2825 PS打印机，设置过程仅供参考
rh8上的打印机设置
1. setup
2. Printer configuration
3. Run Tool
4. new
5. queue name: abc
6. Unix print Queue
7. server: abc
queue : abc
8. Postscript printer
Xerox-DocuPrint N32-Postscript (*)
9. next
10.end
11.the one with + sign is the default
