> Found data of MFC-L2710DW - seems very close to yours:
> These printers does'nt support Postcript nor PCL or anything
> else of normaly used emulations - this seems to be a GDI-Pinter.

Yes, according to the user manual (and also what's quoted in comment #6), of this printer family, only DCP-L2550DN, MFC-L2730DW and MFC-L2750DW support the quoted languages.