<1> Cassette Feeding Unit-AQ1 RM and High Capacity Cassette Feeding Unit-C1 RM cannot be installed at the same time. <2> Inner Finisher-L1 RM and Staple Finisher-AB1 RM cannot be installed at the same time. <3> Requires Buffer Pass Unit-P1 RM <4> May receive the item with the different item code. The functionality is the same with the item listed in the price list. <5> May receive the item with the different item code and item name. The functionality is the same with the item listed in the price list.