Canon MF8100 Series, Service Manual, Page: 12 / 296

Contents
3.3.1.1 Removing the Rear Cover ..................................................................................................................................................... 3- 51
3.3.1.2 Removing the Scanner Unit ................................................................................................................................................... 3- 51
3.3.2 ADF Unit ................................................................................................................................................................3- 51
3.3.2.1 Removing the Rear Cover ..................................................................................................................................................... 3- 51
3.3.2.2 Removing the Scanner Unit ................................................................................................................................................... 3- 52
3.3.2.3 Removing the SCNT Board Unit ............................................................................................................................................ 3- 52
3.3.2.4 Removing the ADF Unit ......................................................................................................................................................... 3- 52
3.3.2.5 Points to Note When Mounting the ADF Unit......................................................................................................................... 3- 53
3.3.3
Scanner Cover Unit................................................................................................................................................3- 53
3.3.3.1 Removing the Rear Cover ..................................................................................................................................................... 3- 53
3.3.3.2 Removing the Scanner Unit ................................................................................................................................................... 3- 53
3.3.3.3 Removing the SCNT Board Unit ............................................................................................................................................ 3- 54
3.3.3.4 Removing the ADF Unit ......................................................................................................................................................... 3- 54
3.3.3.5 Removing the operation Panel............................................................................................................................................... 3- 54
3.3.3.6 Removing the Scanner Cover Unit ........................................................................................................................................ 3- 55
3.3.4 CCD Unit................................................................................................................................................................3- 55
3.3.4.1 Removing the Rear Cover ..................................................................................................................................................... 3- 55
3.3.4.2 Removing the Scanner Unit ................................................................................................................................................... 3- 55
3.3.4.3 Removing the NCU Board ..................................................................................................................................................... 3- 56
3.3.4.4
Removing the SCNT Board Unit ............................................................................................................................................ 3- 56
3.3.4.5 Removing the ADF Unit ......................................................................................................................................................... 3- 56
3.3.4.6 Removing the operation Panel............................................................................................................................................... 3- 57
3.3.4.7 Removing the Scanner Cover Unit ........................................................................................................................................ 3- 57
3.3.4.8 Removing the Flat Bed Motor Unit......................................................................................................................................... 3- 57
3.3.4.9 Removing the CCD Unit......................................................................................................................................................... 3- 57
3.3.5 Separation Guide Unit............................................................................................................................................3- 57
3.3.5.1
Removing the Rear Cover ..................................................................................................................................................... 3- 57
3.3.5.2 Removing the Scanner Unit ................................................................................................................................................... 3- 58
3.3.5.3 Removing the SCNT Board Unit ............................................................................................................................................ 3- 58
3.3.5.4 Removing the ADF Unit ......................................................................................................................................................... 3- 58
3.3.5.5 Points to Note When Mounting the ADF Unit......................................................................................................................... 3- 59
3.3.5.6 Removing the Document Pickup Roller Unit.......................................................................................................................... 3- 59
3.3.5.7 Removing the Separation guide unit...................................................................................................................................... 3- 60
3.3.6
Feed Roller ............................................................................................................................................................3- 60
3.3.6.1 Removing the Rear Cover ..................................................................................................................................................... 3- 60
3.3.6.2
Removing the Scanner Unit ................................................................................................................................................... 3- 60
3.3.6.3 Removing the SCNT Board Unit ............................................................................................................................................ 3- 61
3.3.6.4 Removing the ADF Unit ......................................................................................................................................................... 3- 61
3.3.6.5 Points to Note When Mounting the ADF Unit......................................................................................................................... 3- 61
3.3.6.6 Removing the Document feed roller ...................................................................................................................................... 3- 61
3.3.7 Pickup Roller Unit ..................................................................................................................................................3- 63
3.3.7.1 Removing the Rear Cover ..................................................................................................................................................... 3- 63
3.3.7.2 Removing the Scanner Unit ................................................................................................................................................... 3- 63
3.3.7.3 Removing the SCNT Board Unit ............................................................................................................................................ 3- 63
3.3.7.4
Removing the ADF Unit ......................................................................................................................................................... 3- 64
3.3.7.5 Points to Note When Mounting the ADF Unit......................................................................................................................... 3- 64
3.3.7.6 Removing the Document Pickup Roller Unit.......................................................................................................................... 3- 64
3.3.8 Reader Unit............................................................................................................................................................3- 65
3.3.8.1 Removing the Rear Cover ..................................................................................................................................................... 3- 65
3.3.8.2 Removing the Reader Assembly ........................................................................................................................................... 3- 65
3.3.9 Flatbed Motor Unit .................................................................................................................................................3- 66
3.3.9.1 Removing the Rear Cover ..................................................................................................................................................... 3- 66
3.3.9.2 Removing the Scanner Unit ................................................................................................................................................... 3- 67
3.3.9.3 Removing the SCNT Board Unit ............................................................................................................................................ 3- 67
3.3.9.4 Removing the ADF Unit ......................................................................................................................................................... 3- 67
3.3.9.5
Removing the operation Panel............................................................................................................................................... 3- 68
3.3.9.6 Removing the Scanner Cover Unit ........................................................................................................................................ 3- 68
3.3.9.7 Removing the Flat Bed Motor Unit......................................................................................................................................... 3- 68
3.3.10 Document Feed Motor .........................................................................................................................................3- 68
3.3.10.1
Removing the Rear Cover.................................................................................................................................................... 3- 68
3.3.10.2 Removing the Scanner Unit ................................................................................................................................................. 3- 69