Pros: You get a good cost per page for this toner.

Cons: Only get to use about half of the toner it seems like. Makes a huge mess about halfway through.

Overall Review: Wer have 4 Brother HL-6810dw printers for our business, and we buy the TN-780 for the high page volume per cost. However, I have had two printers now where our pages have been coming out all black down the left side. Upon investigating, the toner cartridge is losing toner out of the left side. And not just a little. It is a large amount. It is packing in the gears and getting all over the drum. Not to mention that is falling down into the paper tray area too! You have to replace both the drum and the toner together, and blow it all out to fix it. Not as good a deal as we thought.