Canon DADF-M1 Service Manual page 71

Contents
3.1 Removing from the Host Machine ..................................................................................................................... 3-1
3.1.1 Feeder .......................................................................................................................................................... 3-1
3.1.1.1 DADF-M1 ............................................................................................................................................ 3-1
3.2 External Covers .................................................................................................................................................. 3-3
3.2.1 Front Cover.................................................................................................................................................. 3-3
3.2.1.1 Removing the Front Cover ................................................................................................................... 3-3
3.2.2 Rear Cover................................................................................................................................................... 3-3
3.2.2.1 Removing the Rear Cover .................................................................................................................... 3-3
3.2.3 Lower Left Cover ........................................................................................................................................ 3-4
3.2.3.1 Removing the Lower Left Cover.......................................................................................................... 3-4
3.2.4 Feeder Cover ............................................................................................................................................... 3-4
3.2.4.1 Removing the Front Cover ................................................................................................................... 3-4
3.2.4.2 Removing the Feeder Cover................................................................................................................. 3-5
3.3 Drive System ...................................................................................................................................................... 3-7
3.3.1 Pickup Motor ............................................................................................................................................... 3-7
3.3.1.1 Removing the Rear Cover .................................................................................................................... 3-7
3.3.1.2 Removing the Pickup Motor ................................................................................................................ 3-7
3.3.2 Feed Motor .................................................................................................................................................. 3-8
3.3.2.1 Removing the Rear Cover .................................................................................................................... 3-8
3.3.2.2 Removing the Harness Guide (right rear) ............................................................................................ 3-8
3.3.2.3 Removing the Cooling Fan................................................................................................................... 3-8
3.3.2.4 Removing the Feed motor .................................................................................................................... 3-9
3.3.3 Delivery Reversal Motor ........................................................................................................................... 3-10
3.3.3.1 Removing the Rear Cover .................................................................................................................. 3-10
3.3.3.2 Removing the Harness Guide (right rear) .......................................................................................... 3-10
3.3.3.3 Removing the Delivery Reversal Motor............................................................................................. 3-11
3.3.4 Pressurization Motor ................................................................................................................................. 3-11
3.3.4.1 Removing the Front Cover ................................................................................................................. 3-11
3.3.4.2 Removing the Harness Guide (front) ................................................................................................. 3-12
3.3.4.3 Removing the Locking Motor Drive Unit .......................................................................................... 3-12
3.3.4.4 Removing the Locking Motor ............................................................................................................ 3-13
3.3.5 Drive Unit.................................................................................................................................................. 3-13
3.3.5.1 Removing the Rear Cover .................................................................................................................. 3-13
3.3.5.2 Removing the Harness Guide (right rear) .......................................................................................... 3-14
3.3.5.3 Removing the Delivery Reversal Motor Unit .................................................................................... 3-14
3.3.5.4 Removing the Drive Unit ................................................................................................................... 3-15
3.4 Document Feeding System............................................................................................................................... 3-16
3.4.1 Pickup Roller Unit..................................................................................................................................... 3-16
3.4.1.1 Removing the Inside Cover ................................................................................................................ 3-16
3.4.1.2 Removing the Pickup Roller Unit ...................................................................................................... 3-16
3.4.2 Pickup Roller / Feed Roller ....................................................................................................................... 3-16
3.4.2.1 Removing the Inside Cover ................................................................................................................ 3-16
3.4.2.2 Removing the Pickup Roller Unit ...................................................................................................... 3-17
3.4.2.3 Removing the Pickup Roller and the Feeder Roller........................................................................... 3-17
Contents