Canon DADF-N1, Service Manual

Page: 69 / 199

Contents
3.3.4.4 Mounting the Pickup Clutch ...................................................... 3-26
3.4 Document Feeding System ...................................................................... 3-27
3.4.1 Pickup Roller Unit ............................................................................ 3-27
3.4.1.1 Removing the Front Cover......................................................... 3-27
3.4.1.2 Removing the Feeder Cover ...................................................... 3-27
3.4.1.3 Removing the Pickup Roller Unit.............................................. 3-28
3.4.1.4 Mounting the Pickup Roller Unit............................................... 3-29
3.4.2 Pickup Roller/Separation Roller ....................................................... 3-30
3.4.2.1 Removing the Front Cover......................................................... 3-30
3.4.2.2 Removing the Feeder Cover ...................................................... 3-31
3.4.2.3 Removing the Pickup Roller Unit.............................................. 3-31
3.4.2.4 Removing the Pickup Roller and the Separation Roller ............ 3-32
3.4.3 Separation Plate/Separation Pad ....................................................... 3-33
3.4.3.1 Removing the Separation Plate and the Separation Pad ............ 3-33
3.4.3.2 Adjusting the Separation Pressure ............................................. 3-34
3.4.4 Upper Registration Roller ................................................................. 3-36
3.4.4.1 Removing the Front Cover......................................................... 3-36
3.4.4.2 Removing the Feeder Cover ...................................................... 3-36
3.4.4.3 Removing the Upper Registration Roller .................................. 3-37
3.4.5 Lower Registration Roller................................................................. 3-38
3.4.5.1 Removing the Rear Cover.......................................................... 3-38
3.4.5.2 Removing the Front Cover......................................................... 3-39
3.4.5.3 Removing the Feeder Cover ...................................................... 3-40
3.4.5.4 Removing the Pickup Motor...................................................... 3-40
3.4.5.5 Removing the Pickup Clutch ..................................................... 3-41
3.4.5.6 Removing the Reinforcing Plate................................................ 3-43
3.4.5.7 Removing the Feed Motor ......................................................... 3-43
3.4.5.8 Detaching the Timing Belt and the Pulley................................. 3-44
3.4.5.9 Removing the Feeder Unit ......................................................... 3-48
3.4.5.10 Removing the Upper Delivery Reversing Roller..................... 3-50
3.4.5.11 Removing the Platen Guide L.................................................. 3-51
3.4.5.12 Removing the Read Roller 1.................................................... 3-51
3.4.5.13 Removing the Read Roller 2.................................................... 3-55
3.4.5.14 Removing the Lower Registration Roller ................................ 3-56
3.4.6 Delivery Reversing Roller (upper).................................................... 3-58
3.4.6.1 Removing the Rear Cover.......................................................... 3-58