Wired printer to wireless via router issues

hello,
I'm fairly new at networking.
Devices:
Oce fx300 wired printer
laptop running windows 7
netgear WGR614 v8 with DD-WRT Nokaid firmware

Problem: wireless router connection only established when ethernet cable is connected to router and computer, once unplugged the connection is disabled.

I am attempting to make this wired printer wireless through my wireless router which has been recently fitted with dd-wrt software. I have already set a static ip adress for the computer, and set the local printer connection up. My problem lies withing the router setting I am assuming since it seems like the router wont connect wireless. Please help.
 
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