Brother TN439BK Original Ultra High Yield Laser Toner Cartridge - Black - 1 Each - 9000 Pages

This toner cartridge continues to work well in my Brother MFC-L9570CDW printer. I do a lot of printing, and this toner does not disappoint with its massive lifespan. As I understand it, at this time anyway, the only other printer it works for is the Brother HL-L9310CDW. That's worth noting if you're considering matching this ultra high yield toner with a printer you plan on purchasing.

They do no stand behind their products. Brother says they have a 90 day warranty. Everyone knows you have to buy toner ahead of time so you don't run out in middle of print jobs; if the toner cartridge is defective (yes they often are) on the day you first open & install it and just found out it's defective, they will not replace it since it was purchased 95 days ago and they do 90 day warranty from purchase date.

Be sure you're matching the toner to your specific printer. There is a tab on the printer specifically to prevent ultra high yield toners from being used in a Brother L8900-CDW printer.