Canon LaserBase MF3220 Series Service Manual page 40

Contents
3.1.9.7 Removing the Power Supply Assembly ......................................................................................................................................................... 3-9
3.1.9.8 Removing the Power Supply Board................................................................................................................................................................ 3-9
3.1.10 High-voitage Power Supply PCB .............................................................................................................................................. 3-9
3.1.10.1 Removing the Cassette.................................................................................................................................................................................. 3-9
3.1.10.2 Removing the front cover ............................................................................................................................................................................. 3-9
3.1.10.3 Removing the right cover ............................................................................................................................................................................. 3-9
3.1.10.4 Removing the left cover.............................................................................................................................................................................. 3-10
3.1.10.5 Removing the rear cover............................................................................................................................................................................. 3-10
3.1.10.6 Removing the Power Supply Shield Plate .................................................................................................................................................. 3-10
3.1.10.7 Removing the Power Supply Board............................................................................................................................................................ 3-10
3.1.10.8 Removing the High-Voltage Power Supply Board..................................................................................................................................... 3-11
3.1.11 Top Sensor ............................................................................................................................................................................... 3-11
3.1.11.1 Removing the Cassette................................................................................................................................................................................ 3-11
3.1.11.2 Removing the front cover ........................................................................................................................................................................... 3-11
3.1.11.3 Removing the right cover ........................................................................................................................................................................... 3-11
3.1.11.4 Removing the left cover.............................................................................................................................................................................. 3-11
3.1.11.5 Removing the rear cover............................................................................................................................................................................. 3-12
3.1.11.6 Removing the Scanner Unit ........................................................................................................................................................................ 3-12
3.1.11.7 Removing the top cover .............................................................................................................................................................................. 3-12
3.1.11.8 Removing the Right Frame......................................................................................................................................................................... 3-12
3.1.11.9 Removing the Plate ..................................................................................................................................................................................... 3-12
3.1.11.10 Removing the Left Frame ......................................................................................................................................................................... 3-13
3.1.11.11 Removing the Power Supply Shield Plate ................................................................................................................................................ 3-13
3.1.11.12 Removing the Power Supply Assembly ................................................................................................................................................... 3-13
3.1.11.13 Removing the top sensor........................................................................................................................................................................... 3-13
3.1.12 Paper Delivery Sensor.............................................................................................................................................................. 3-14
3.1.12.1 Removing the Cassette................................................................................................................................................................................ 3-14
3.1.12.2 Removing the front cover ........................................................................................................................................................................... 3-14
3.1.12.3 Removing the right cover ........................................................................................................................................................................... 3-14
3.1.12.4 Removing the left cover.............................................................................................................................................................................. 3-14
3.1.12.5 Removing the rear cover............................................................................................................................................................................. 3-14
3.1.12.6 Removing the Power Supply Shield Plate .................................................................................................................................................. 3-14
3.1.12.7 Removing the Scanner Unit ........................................................................................................................................................................ 3-15
3.1.12.8 Removing the Plate ..................................................................................................................................................................................... 3-15
3.1.12.9 Removing the Paper Delivery Sensor ......................................................................................................................................................... 3-15
3.2 Document Feed/Exposure System............................................................................................................................... 3-15
3.2.1 Scanner Unit............................................................................................................................................................................... 3-15
3.2.1.1 Removing the Cassette.................................................................................................................................................................................. 3-15
3.2.1.2 Removing the front cover ............................................................................................................................................................................. 3-15
3.2.1.3 Removing the right cover ............................................................................................................................................................................. 3-16
3.2.1.4 Removong the left cover............................................................................................................................................................................... 3-16
3.2.1.5 Removing the rear cover............................................................................................................................................................................... 3-16
3.2.1.6 Removing the Scanner Unit .......................................................................................................................................................................... 3-16
3.2.2 Scanner Cover Unit.................................................................................................................................................................... 3-17
3.2.2.1 Removing the Cassette.................................................................................................................................................................................. 3-17
3.2.2.2 Removing the front cover ............................................................................................................................................................................. 3-17
3.2.2.3 Removing the right cover ............................................................................................................................................................................. 3-17
3.2.2.4 Removing the left cover................................................................................................................................................................................ 3-17
3.2.2.5 Removing the rear cover............................................................................................................................................................................... 3-17
3.2.2.6 Removing the Scanner Unit .......................................................................................................................................................................... 3-17
3.2.2.7 Removing the Operation Panel Unit ............................................................................................................................................................. 3-18
3.2.2.8 Scanner cover unit ........................................................................................................................................................................................ 3-18
3.2.3 Contact Sensor ........................................................................................................................................................................... 3-18
3.2.3.1 Removing the Cassette.................................................................................................................................................................................. 3-18
3.2.3.2 Removing the front cover ............................................................................................................................................................................. 3-18
3.2.3.3 Removing the right cover ............................................................................................................................................................................. 3-18
3.2.3.4 Removing the left cover................................................................................................................................................................................ 3-19
3.2.3.5 Removing the rear cover............................................................................................................................................................................... 3-19
3.2.3.6 Removing the Scanner Unit .......................................................................................................................................................................... 3-19
3.2.3.7 Removing the Operation Panel Unit ............................................................................................................................................................. 3-19
3.2.3.8 Removing the Scanner Cover Unit ............................................................................................................................................................... 3-20