The Brother Drum unit works great.

Brother toner drum unit works perfectly

The drum unit has been working fine to this point in time.

I've been buying this drum unit for my Brother Laser Printer for years, and it works great

I bought this DR420 Drum Unit for my Brother Printer...this drum unit does not work at all, there is 0 ink in it

This drum unit works with

Drum Unit works great.

The drum unit is very "user friendly", and quite simple in its installation.

The drum needs replacing much less often than the cartidges do, but when it does need to replaced, this drum unit is compatible with the Brother multifax unit

The drum unit was easy to install and performed well immediately.