CANIR-715iFII,CANIR-615iFII,CANIR-525iFII,CANIR-715iFZII,CANIR-615iFZII,CANIR-525iFZII: Adds one additional 550-sheet cassette, one additional 2000-sheet cassette, and a wheeled stand for floor standing use. The total paper capacity becomes 3,200 sheets (550 x 2 + 2,000 + 100 Stack Bypass). Cannot be installed with Cassette Module-AG1, Envelope Cassette Module-A1, or Cassette Feeding Unit-AR1.