Canon DADF-P1 Service Manual page 8

Contents
3.1.1 Feeder ........................................................................................................................................................ 3- 1
3.1.1.1 Removing from the Host Machine .................................................................................................. 3- 1
3.2 External Covers............................................................................................................................................... 3- 1
3.2.1 Front Cover................................................................................................................................................ 3- 1
3.2.1.1 Removing the Front Cover .............................................................................................................. 3- 1
3.2.2 Rear Cover ................................................................................................................................................ 3- 1
3.2.2.1 Removing the Rear Cover ............................................................................................................... 3- 1
3.2.3 Feeder Cover ............................................................................................................................................ 3- 1
3.2.3.1 Removing the Front Cover .............................................................................................................. 3- 1
3.2.3.2 Removing the Feeder Cover ........................................................................................................... 3- 2
3.3 Drive System.................................................................................................................................................... 3- 2
3.3.1 Pickup Motor.............................................................................................................................................. 3- 2
3.3.1.1 Removing the Rear Cover ............................................................................................................... 3- 2
3.3.1.2 Removing the Pickup Motor ............................................................................................................ 3- 2
3.3.1.3 Installing the Pickup Motor .............................................................................................................. 3- 2
3.3.2 Feed Motor ................................................................................................................................................ 3- 3
3.3.2.1 Removing the Rear Cover ............................................................................................................... 3- 3
3.3.2.2 Removing the Feed Motor ............................................................................................................... 3- 3
3.3.2.3 Installing the Feed Motor ................................................................................................................. 3- 3
3.3.3 Timing Belt/Pulley ..................................................................................................................................... 3- 3
3.3.3.1 Removing the Front Cover .............................................................................................................. 3- 3
3.3.3.2 Removing the Feeder Cover ........................................................................................................... 3- 3
3.3.3.3 Removing the Rear Cover ............................................................................................................... 3- 4
3.3.3.4 Removing the ADF Driver PCB ...................................................................................................... 3- 4
3.3.3.5 Removing the Pickup Motor ............................................................................................................ 3- 4
3.3.3.6 Removing the Feed Motor ............................................................................................................... 3- 4
3.3.3.7 Removing the Timing Belt................................................................................................................ 3- 4
3.4 Document Feeding System ........................................................................................................................... 3- 5
3.4.1 Pickup Roller Unit ..................................................................................................................................... 3- 5
3.4.1.1 Removing the Front Cover .............................................................................................................. 3- 5
3.4.1.2 Removing the Feeder Cover ........................................................................................................... 3- 5
3.4.1.3 Removing the Pickup Roller Unit.................................................................................................... 3- 5
3.4.1.4 Precaution about Pickup Roller Unit Installation ......................................................................... 3- 6
3.4.2 Pickup Roller/Separation Roller ............................................................................................................. 3- 6
3.4.2.1 Removing the Front Cover .............................................................................................................. 3- 6
3.4.2.2 Removing the Feeder Cover ........................................................................................................... 3- 6
3.4.2.3 Removing the Pickup Roller Unit.................................................................................................... 3- 6
3.4.2.4 Removing the Pickup Roller and Separation Roller .................................................................... 3- 6
3.4.3 Separation Plate/Separation Pad........................................................................................................... 3- 7
3.4.3.1 Removing the Separation Pad ........................................................................................................ 3- 7
3.4.4 Upper Registration Roller ........................................................................................................................ 3- 7
3.4.4.1 Removing the Front Cover .............................................................................................................. 3- 7
3.4.4.2 Removing the Feeder Cover ........................................................................................................... 3- 7
3.4.4.3 Removing the Upper Registration Roller....................................................................................... 3- 7
3.4.5 Lower Registration Roller ........................................................................................................................ 3- 8
3.4.5.1 Removing the Front Cover .............................................................................................................. 3- 8
3.4.5.2 Removing the Feeder Cover ........................................................................................................... 3- 8
3.4.5.3 Removing the Rear Cover ............................................................................................................... 3- 8
3.4.5.4 Removing the ADF Driver PCB ...................................................................................................... 3- 8