Canon DADF-Q1 Service Manual page 77

Contents
3.1 Removing from the Host Machine.................................................................................................................................3-1
3.1.1 Feeder........................................................................................................................................................................................... 3-1
3.1.1.1 Disconnecting the DADF ................................................................................................................................................................................3-1
3.2 External Covers..............................................................................................................................................................3-1
3.2.1 External Covers............................................................................................................................................................................ 3-1
3.2.1.1 External Covers...............................................................................................................................................................................................3-1
3.2.2 Front Cover .................................................................................................................................................................................. 3-1
3.2.2.1 Removing the Front Cover..............................................................................................................................................................................3-1
3.2.3 Main Cover .................................................................................................................................................................................. 3-1
3.2.3.1 Removing the Main Cover ..............................................................................................................................................................................3-1
3.3 Drive System..................................................................................................................................................................3-2
3.3.1 Reversal Motor............................................................................................................................................................................. 3-2
3.3.1.1 Removing the Front Cover..............................................................................................................................................................................3-2
3.3.1.2 Removing the Main Cover ..............................................................................................................................................................................3-2
3.3.1.3 Removing the Reversal Motor Unit ...............................................................................................................................................................3-3
3.3.2 Pickup Motor ............................................................................................................................................................................... 3-3
3.3.2.1 Removing the Front Cover..............................................................................................................................................................................3-3
3.3.2.2 Removing the Main Cover ..............................................................................................................................................................................3-4
3.3.2.3 Removing the Separation Motor Unit .............................................................................................................................................................3-4
3.3.2.4 Removing the Pickup Motor Unit ..................................................................................................................................................................3-5
3.3.3 Delivery Motor............................................................................................................................................................................. 3-5
3.3.3.1 Disconnecting the DADF ................................................................................................................................................................................3-5
3.3.3.2 Removing the Front Cover..............................................................................................................................................................................3-6
3.3.3.3 Removing the Main Cover ..............................................................................................................................................................................3-6
3.3.3.4 Removing the Delivery Motor ........................................................................................................................................................................3-7
3.3.4 Separation Motor Unit ................................................................................................................................................................. 3-7
3.3.4.1 Removing the Front Cover..............................................................................................................................................................................3-7
3.3.4.2 Removing the Main Cover ..............................................................................................................................................................................3-7
3.3.4.3 Removing the Separation Motor Unit .............................................................................................................................................................3-8
3.3.5 Belt Motor Unit............................................................................................................................................................................ 3-9
3.3.5.1 Removing the Front Cover..............................................................................................................................................................................3-9
3.3.5.2 Removing the Main Cover ..............................................................................................................................................................................3-9
3.3.5.3 Removing the Separation Motor Unit ...........................................................................................................................................................3-10
3.3.5.4 Removing the Pickup Motor Unit ................................................................................................................................................................3-10
3.3.5.5 Removing the Belt Motor Unit .....................................................................................................................................................................3-10
3.4 Document Feeding System ..........................................................................................................................................3-11
3.4.1 Registration Roller ..................................................................................................................................................................... 3-11
3.4.1.1 Removing the Front Cover............................................................................................................................................................................3-11
3.4.1.2 Removing the Main Cover ............................................................................................................................................................................3-11
3.4.1.3 Removing the Registration Roller.................................................................................................................................................................3-12
3.4.2 Reversing Roller ........................................................................................................................................................................ 3-12
3.4.2.1 Removing the Front Cover............................................................................................................................................................................3-12
3.4.2.2 Removing the Main Cover ............................................................................................................................................................................3-13
3.4.2.3 Removing the Reversal Motor Unit .............................................................................................................................................................3-14
3.4.2.4 Removing the Reversing Roller ....................................................................................................................................................................3-14
3.4.3 Feed Belt .................................................................................................................................................................................... 3-15
3.4.3.1 Removing the Front Cover............................................................................................................................................................................3-15
3.4.3.2 Removing the Feeding Belt...........................................................................................................................................................................3-15
3.4.3.3 Attaching the Feeding Belt............................................................................................................................................................................3-15
3.4.4 Separation Belt........................................................................................................................................................................... 3-16
3.4.4.1 Removing the Front Cover............................................................................................................................................................................3-16
3.4.4.2 Removing the Main Cover ............................................................................................................................................................................3-16
3.4.4.3 Removing the Separation Belt ......................................................................................................................................................................3-17
Contents