Newegg has the [l=Rosewill RTCG-TN660 Economy Compatible Toner Cartridge (replaces Brother TN-660, TN-630)] for $ 12.99 after coupon code EMCRBDB34 with free shipping

Rosewill RTCG-TN660 Economy Compatible Toner Cartridge (replaces Brother TN-660, TN-630) 2,600 pages yield; Black
Replaces OEM # TN-660, TN-630
Black
2,600 Pages
Compatible With Brother Laser Printers

The Rosewill RTCG-TN660 is specially designed to replace Brother TN-660, TN660, TN-630 and TN630. Its compatible with various printers, including Brother HL-L2320D / L2340DW / L2360DW / L2380DW, MFC-L2700DW / L2720DW / L2740DW, and DCP-L2520DW / L2540DW.

Hope this might help someone. (i prefer $ 10 for toner, but this is decent) Thank you for reading.[/L]