Canon imageRUNNER iR2270 Service Manual page 49

Contents
3.1 External Covers..........................................................................................3-1
3.1.1 Upper Cover ........................................................................................3-1
3.1.1.1 Removing the PCB Cover ............................................................3-1
3.1.1.2 Removing the Top Harness Cover ...............................................3-2
3.1.1.3 Removing the Upper Cover .........................................................3-2
3.1.2 Left Cover ...........................................................................................3-4
3.1.2.1 Removing the Left Cover.............................................................3-4
3.1.3 PCB Cover ..........................................................................................3-5
3.1.3.1 Removing the PCB Cover ............................................................3-5
3.1.4 Top Harness Cover..............................................................................3-6
3.1.4.1 Removing the PCB Cover ............................................................3-6
3.1.4.2 Removing the Top Harness Cover ...............................................3-7
3.1.5 Bottom Cover ......................................................................................3-8
3.1.5.1 Removing the Bottom Cover .......................................................3-8
3.1.6 Tray Guide Top Cover ........................................................................3-9
3.1.6.1 Removing the Bottom Cover .......................................................3-9
3.1.6.2 Removing the Tray Guide Top Cover........................................3-10
3.2 Drive System............................................................................................3-11
3.2.1 Feed Motor ........................................................................................3-11
3.2.1.1 Removing the PCB Cover ..........................................................3-11
3.2.1.2 Removing the Top Harness Cover .............................................3-12
3.2.1.3 Removing the Upper Cover .......................................................3-12
3.2.1.4 Removing the Stapler Cover ......................................................3-14
3.2.1.5 Removing the Drive Unit ...........................................................3-14
3.2.1.6 Removing the Process Tray Unit ...............................................3-16
3.2.1.7 Removing the Feed Motor .........................................................3-17
3.2.2 Stack Tray Shift Motor......................................................................3-17
3.2.2.1 Removing the PCB Cover ..........................................................3-17
3.2.2.2 Removing the Top Harness Cover .............................................3-18
3.2.2.3 Removing the Upper Cover .......................................................3-19
3.2.2.4 Removing the Bottom Cover .....................................................3-20
3.2.2.5 Removing the Left Cover...........................................................3-21
Contents