Cannot find Samsung 3185 printer trough Bonjour print service?

Hi, I have earlier enjoyed to print wireless directly to my Samsung CLX 3185 laser printer ,or scan for that sake - trough Bonjour. Just lately this dissapeared and the only way I can print is trough the USB? I do not understand why this have happend

When I try to find som way to connetct Bonjour to my printer again, it seems tis is not explained somewhere - Anybody who can help me with this?