Canon imageRunner iR2270, Service Manual, Page: 7 / 233

Contents
3.2.4 Drive Unit ......................................................................................................... 3-15
3.2.4.1 Removing the PCB Cover .......................................................................... 3-15
3.2.4.2 Removing the Top Harness Cover ............................................................. 3-16
3.2.4.3 Removing the Upper Cover........................................................................ 3-16
3.2.4.4 Removing the Stapler Cover ...................................................................... 3-17
3.2.4.5 Removing the Drive Unit ........................................................................... 3-17
3.2.5 Offset Motor ...................................................................................................... 3-18
3.2.5.1 Removing the PCB Cover .......................................................................... 3-18
3.2.5.2 Removing the Top Harness Cover ............................................................. 3-19
3.2.5.3 Removing the Upper Cover........................................................................ 3-19
3.2.5.4 Removing the Offset Motor ....................................................................... 3-20
3.2.6 Stack Slide Motor .............................................................................................. 3-20
3.2.6.1 Removing the PCB Cover .......................................................................... 3-20
3.2.6.2 Removing the Top Harness Cover ............................................................. 3-21
3.2.6.3 Removing the Upper Cover........................................................................ 3-21
3.2.6.4 Removing the Stapler Cover ...................................................................... 3-22
3.2.6.5 Removing the Drive Unit ........................................................................... 3-22
3.2.6.6 Removing the Process Tray Unit ............................................................... 3-23
3.2.6.7 Removing the Stack Slide Motor ............................................................... 3-24
3.3 Document Feeding System ...................................................................................... 3-25
3.3.1 Stack Tray Assembly ........................................................................................ 3-25
3.3.1.1 Removing the PCB Cover .......................................................................... 3-25
3.3.1.2 Removing the Top Harness Cover ............................................................. 3-25
3.3.1.3 Removing the Upper Cover........................................................................ 3-26
3.3.1.4 Removing the Bottom Cover...................................................................... 3-26
3.3.1.5 Removing the Left Cover........................................................................... 3-27
3.3.1.6 Removing the Tray Guide Top Cover........................................................ 3-27
3.3.1.7 Removing the Stapler Cover ...................................................................... 3-28
3.3.1.8 Removing the Stack Tray Assembly.......................................................... 3-28
3.3.2 Process Tray Assembly ..................................................................................... 3-28
3.3.2.1 Removing the PCB Cover .......................................................................... 3-28
3.3.2.2 Removing the Top Harness Cover ............................................................. 3-29
3.3.2.3 Removing the Upper Cover........................................................................ 3-29
3.3.2.4 Removing the Stapler Cover ...................................................................... 3-30
3.3.2.5 Removing the Drive Unit ........................................................................... 3-30
3.3.2.6 Removing the Process Tray Unit ............................................................... 3-31
3.3.3 Feed Rollor ........................................................................................................ 3-32
3.3.3.1 Removing the PCB Cover .......................................................................... 3-32
3.3.3.2 Removing the Top Harness Cover ............................................................. 3-32
3.3.3.3 Removing the Upper Cover........................................................................ 3-33