AR-C172M (serv.man13). Update of parts guide, 2 Exteriors, 3 Document Detect Unit, 4 Operation Panel Section, 5 Scanner Unit 1, 6 Scanner Unit 2, 8 Scanner Joint Unit, 16 Cassette Guide R Vertical Transport Lower Unit, 20 Transfer Lift-up Unit, 26 Left Door, 29 Frame 2, 30 Frame 3, 32 Duct Unit, 33 Control Box, 37 RSPF Exteriors, 39 RSPF Transport Section, 40 PCU PWB, 42 ICU PWB, 44 Driver PWB, 45 LVDS INV PWB. - Sharp Copying Equipment Parts Guide (repair manual). Page 2