These printers use the 2801B003AA cartridge:
Click On a Printer to View it's Cartridges
          Canon imageRUNNER Advance C-5045
          Canon imageRUNNER Advance C-5045 I
          Canon imageRUNNER Advance C-5051
          Canon imageRUNNER Advance C-5051 I
          Canon imageRUNNER Advance C-5250
          Canon imageRUNNER Advance C-5255