There is no problem with using a 3rd party toner cartridge.
Just remember to reset the Toner messages using the instructions [https://printerthinker.com/brother-mfc-9130cw/|here].
Is there a reason why you can't refill the original toners?
https://www.amazon.com/TM-toner-MFC-9140cdn-MFC-9330CDW-MFC-9340CDW-DCP-9020cdw/dp/B0128YJ448/ref=sr_1_4?ie=UTF8&qid=1510125348&sr=8-4&keywords=tn221+refill+kit