Table 48. ADF main assembly C8523-90921 Illustrations and parts lists 267 Ref Description Part number Qty 1 Registration sensor holder assembly RG5-6305-000CN 1 2 Upper registration guide assembly RG5-6304-000CN 1 3 Timing sensor holder assembly RG5-6306-000CN 3 4 ADF sensor PCB assembly RH5-3079-000CN 1 5 ADF optical assembly RG5-6307-000CN 1 6 Handle RB2-8015-000CN 1 7 Spring, tension RS6-2503-000CN 2 8 Shaft, handle RB2-8016-000CN 1 9 Lever, handle RB2-8017-000CN 1