Canon DADF-N1, Service Manual

Page: 7 / 199

Contents
3.3.2.2 Removing the Feed Motor............................................................................ 3-6
3.3.2.3 Mounting the Feed Motor ............................................................................ 3-6
3.3.3 Timing Belt/Pulley .............................................................................................. 3-7
3.3.3.1 Removing the Rear Cover ............................................................................ 3-7
3.3.3.2 Removing the Front Cover........................................................................... 3-8
3.3.3.3 Removing the Feeder Cover......................................................................... 3-8
3.3.3.4 Removing the Pickup Motor ........................................................................ 3-9
3.3.3.5 Removing the Pickup Clutch........................................................................ 3-9
3.3.3.6 Removing the Reinforcing Plate ................................................................ 3-10
3.3.3.7 Removing the Feed Motor.......................................................................... 3-10
3.3.3.8 Detaching the Timing Belt and the Pulley ................................................. 3-11
3.3.4 Pickup Clutch .................................................................................................... 3-13
3.3.4.1 Removing the Rear Cover .......................................................................... 3-13
3.3.4.2 Removing the Pickup Motor ...................................................................... 3-13
3.3.4.3 Removing the Pickup Clutch...................................................................... 3-14
3.3.4.4 Mounting the Pickup Clutch ...................................................................... 3-15
3.4 Document Feeding System ...................................................................................... 3-16
3.4.1 Pickup Roller Unit ............................................................................................ 3-16
3.4.1.1 Removing the Front Cover......................................................................... 3-16
3.4.1.2 Removing the Feeder Cover....................................................................... 3-16
3.4.1.3 Removing the Pickup Roller Unit .............................................................. 3-16
3.4.1.4 Mounting the Pickup Roller Unit ............................................................... 3-17
3.4.2 Pickup Roller/Separation Roller ....................................................................... 3-18
3.4.2.1 Removing the Front Cover......................................................................... 3-18
3.4.2.2 Removing the Feeder Cover....................................................................... 3-18
3.4.2.3 Removing the Pickup Roller Unit .............................................................. 3-18
3.4.2.4 Removing the Pickup Roller and the Separation Roller ............................ 3-19
3.4.3 Separation Plate/Separation Pad ....................................................................... 3-19
3.4.3.1 Removing the Separation Plate and the Separation Pad ............................ 3-19
3.4.3.2 Adjusting the Separation Pressure.............................................................. 3-20
3.4.4 Upper Registration Roller ................................................................................. 3-21
3.4.4.1 Removing the Front Cover......................................................................... 3-21
3.4.4.2 Removing the Feeder Cover....................................................................... 3-21
3.4.4.3 Removing the Upper Registration Roller................................................... 3-21
3.4.5 Lower Registration Roller ................................................................................. 3-22
3.4.5.1 Removing the Rear Cover .......................................................................... 3-22
3.4.5.2 Removing the Front Cover......................................................................... 3-22
3.4.5.3 Removing the Feeder Cover....................................................................... 3-23
3.4.5.4 Removing the Pickup Motor ...................................................................... 3-23
3.4.5.5 Removing the Pickup Clutch...................................................................... 3-24