ML2166W printer can't connect to my wlan with Mikrotik Router

I’m sorry my english is not quite good, but please help me. I want to ask how ML2166w Samsung connect to my wlan mikrotik router. ML2166w can’t detect my wlan. So, I try another printer Canon pixma mx454 is easy to connect. there is another set up for this Ml2166w printer? I’m using router wireless rb951g-2hnd