3,500-sheet high-capacity input (HCI) feeder The 3,500-sheet paper deck is optionally installed at bottom of the product or the 500-sheet paper feeder. It picks up the paper and feeds it to the product. The HCI controller controls the operational sequence of the 3,500-sheet paper deck. Figure 1-52 HCI paper path 3,500-sheet paper deck Right cassette Left cassette HCI cassette pickup roller HCI cassette separation roller HCI cassette feed roller ENWW 3,500-sheet high-capacity input (HCI) feeder 67