How can I use a duplexer on a network based printer?
I have a Lexmark Optra SE 3455 with a marknet card.
Anyway, I have cups installed, but how do I get the printer installed, and then configured to use the duplexer?
I got cups to "install" it, but it didn't have exact model number information, and has NO settings to change. I want to print on both sides of my paper again!!
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