3.3 Disassembly procedure …………………………………………
3-3
3.3.1 Cover …………………………………………………………
3-3
3.3.2 Scanner Assy …………………………………………………
3-5
3.3.2.1 OPE board ………………………………………………
3-6
3.3.2.2 CIS Unit …………………………………………………
3-7
3.3.2.3 Scan Motor ………………………………………………
3-8
3.3.2.4 Home Position Sensor …………………………………
3-8
3.3.3 DADF Unit (SCX-563xFR / 563xHR / 573xFW) …………
3-9
3.3.3.1 DADF Pick up unit ………………………………………
3-9
3.3.3.2 DADF board ……………………………………………
3-10
3.3.3.3 DADF Motor ……………………………………………
3-11
3.3.4 ADF Unit (SCX-483xFR/FD/HD)) …………………………
3-13
3.3.4.1 Tray Input ………………………………………………
3-13
3.3.4.2 Front / Rear cover ………………………………………
3-14
3.3.4.3 Paper Path Assy ………………………………………
3-14
3.3.4.4 ADF Pick up unit ………………………………………
3-15
3.3.4.5 ADF Motor ………………………………………………
3-15
3.3.5 Middle Cover …………………………………………………
3-16
3.3.6 Main board ……………………………………………………
3-17
3.3.7 HVPS board …………………………………………………
3-17
3.3.8 SMPS board …………………………………………………
3-18
3.3.9 Laser Scanning Unit (LSU) …………………………………
3-18
3.3.10 Fuser unit ……………………………………………………
3-19
3.3.11 Main drive unit ………………………………………………
3-20
3.3.12 Feed drive unit ………………………………………………
3-21
3.3.13 Pick up/ Regi/ MP clutch …………………………………
3-21
3.3.14 Pick up roller ………………………………………………
3-22
3.3.15 Transfer roller ………………………………………………
3-22
3.3.16 MP unit ………………………………………………………
3-23
3.3.17 Bin-full sensor ………………………………………………
3-23
3.3.18 Regi. / Feed / Empty sensor ……………………………… 3-24
3.3.19 Cassette roller (Retard roller) ……………………………
3-25
Contents
