Monoprice 111069 MPI Compatible Canon BCI-3ePC BCI-5/6PC High Yield InkJet - Cyan Our cartridges are different from recycled or refilled cartridges commonly referred to as drill fill Unused toner in old cartridges is discarded A remanufactured cartridges on the other hand are completely disassembled worn out parts are discarded and then remanufactured like a new unit