Wireless connection problems

I'm running OSX 10.9.1 on this machine:

Model Name: iMac

Model Identifier: iMac10,1

Processor Name: Intel Core 2 Duo

Processor Speed: 3.06 GHz

Number of Processors: 1

Total Number of Cores: 2

L2 Cache: 3 MB

Memory: 4 GB

Bus Speed: 1.07 GHz

Boot ROM Version: IM101.00CC.B00

SMC Version (system): 1.53f13

My router is a BTHUB5 that comes with their Infinity package. My Samsung wireless printer ML2165w worked fine until I disconnected the router in order to move it. Now the printer cannot connect to the router and Samsung claim the problem is because the BTHUB5 uses IPV6 which is incompatible with their printers.

The printer works fine so long as I connect to it with a USB cable. Could anyone suggest how to get it back to WiFi?

Ciao,

John