Canon Color imageCLASS MF9170c Service Manual page 202

Contents
10.5.9.2 Removing the Laser Scanner Cover ......................................................................................................................................................... 10-16
10.5.10 Upper Frame Unit ................................................................................................................................................................ 10-18
10.5.10.1 Before Removing the Upper Frame Unit................................................................................................................................................ 10-18
10.5.10.2 Removing the Upper Frame Unit ........................................................................................................................................................... 10-18
10.5.11 Operation Panel Unit............................................................................................................................................................ 10-21
10.5.11.1 Removing the Control Panel Unit .......................................................................................................................................................... 10-21
10.5.11.2 Procedure after Replacing the Control Panel.......................................................................................................................................... 10-21
10.5.12 NCU Board........................................................................................................................................................................... 10-22
10.5.12.1 Before Removing the NCU PCB............................................................................................................................................................ 10-22
10.5.12.2 Removing the NCU PCB........................................................................................................................................................................ 10-22
10.5.13 DC Controller PCB .............................................................................................................................................................. 10-22
10.5.13.1 Before Removing the DC Controller PCB ............................................................................................................................................. 10-22
10.5.13.2 Removing the DC Controller PCB ......................................................................................................................................................... 10-22
10.5.13.3 Procedure after Replacing the DC controller PCB ................................................................................................................................. 10-23
10.5.14 Memory Controller PCB ...................................................................................................................................................... 10-23
10.5.14.1 Before Removing the Memory Controller PCB ..................................................................................................................................... 10-23
10.5.14.2 Removing the Memory Controller PCB ................................................................................................................................................. 10-23
10.5.15 Duplexing Driver PCB......................................................................................................................................................... 10-23
10.5.15.1 Before Removing the Duplex Driver PCB ............................................................................................................................................. 10-23
10.5.15.2 Removing the Duplex Driver PCB ......................................................................................................................................................... 10-23
10.5.16 Low-voltage Power Supply PCB ......................................................................................................................................... 10-23
10.5.16.1 Before Removing the Low-Voltage Power Supply PCB ....................................................................................................................... 10-23
10.5.16.2 Removing the Low Voltage Power Supply PCB.................................................................................................................................... 10-24
10.5.17 High-voltage Power Supply PCB......................................................................................................................................... 10-25
10.5.17.1 Before Removing the High Voltage Power Supply PCB ....................................................................................................................... 10-25
10.5.17.2 Removing the High Voltage Power Supply PCB ................................................................................................................................... 10-25
10.5.18 Off Hook PCB...................................................................................................................................................................... 10-25
10.5.18.1 Before Removing the Off Hook PCB..................................................................................................................................................... 10-25
10.5.18.2 Removing the Off Hook PCB................................................................................................................................................................. 10-25
10.5.19 Cooling Fan .......................................................................................................................................................................... 10-26
10.5.19.1 Before Removing the Cooling Fan ......................................................................................................................................................... 10-26
10.5.19.2 Removing the Cooling Fan..................................................................................................................................................................... 10-26
10.5.20 Duplex Fan ........................................................................................................................................................................... 10-26
10.5.20.1 Before Removing the Duplex Fan .......................................................................................................................................................... 10-26
10.5.20.2 Removing the Duplex Fan ...................................................................................................................................................................... 10-26