How to refill the Brother HL L8250cdn, HL L8350cdw, DCP L8400cdn, DCP L8450cdw, MFC L8650cdw & MFC L8850cdw toner cartridges
The video shows a starter cartridge that is shipped free with the printer being refilled. This cartridge does not have a reset gear - so we have installed one on the cartridge. We sell the gears and the refill kits on our website.

http://www.zinetic.co.uk/

EMEA part codes that can be refilled are:

TN-326BK, TN-326C, TN-326M, TN-326Y
TN-321BK, TN-321C, TN-321M, TN-321Y