Canon IR6570 Series Service Manual page 14

Contents
7.10.3.1 Removing the Primary Fan Duct ..................................................................................................... 7- 42
7.10.3.2 Removing the Primary Charging Assembly .................................................................................... 7- 42
7.10.4 Pre-Transfer Charging Assembly............................................................................................................ 7- 43
7.10.4.1 Removing the Primary Fan Duct ..................................................................................................... 7- 43
7.10.4.2 Removing the Pre-Transfer Charging Assembly............................................................................. 7- 43
7.10.5 Photosensitive Drum ............................................................................................................................... 7- 44
7.10.5.1 Points to Note When Handling the Photosensitive Drum................................................................ 7- 44
7.10.5.2 Removing the Primary Fan Duct ..................................................................................................... 7- 44
7.10.5.3 Removing the Developing Assembly .............................................................................................. 7- 44
7.10.5.4 Removing the Process Unit ............................................................................................................. 7- 45
7.10.5.5 Removing the Primary Charging Assembly .................................................................................... 7- 47
7.10.5.6 Removing the Pre-Transfer Charging Assembly............................................................................. 7- 47
7.10.5.7 Removing the Potential Sensor Assembly....................................................................................... 7- 47
7.10.5.8 Removing the Drum Unit ................................................................................................................ 7- 47
7.10.5.9 Cleaning the Photosensitive Drum .................................................................................................. 7- 48
7.10.6 Drum Cleaner Unit .................................................................................................................................. 7- 49
7.10.6.1 Construction..................................................................................................................................... 7- 49
7.10.6.2 Removing the Primary Fan Duct ..................................................................................................... 7- 49
7.10.6.3 Removing the Developing Assembly .............................................................................................. 7- 50
7.10.6.4 Sliding Out the Process Unit ........................................................................................................... 7- 51
7.10.6.5 Removing the Primary Charging Assembly .................................................................................... 7- 52
7.10.6.6 Removing the Cleaning Blade ......................................................................................................... 7- 52
7.10.6.7 Mounting the Cleaning Blade .......................................................................................................... 7- 53
7.10.6.8 Mounting the Side Seal.................................................................................................................... 7- 53
7.10.6.9 Cleaning the Cleaner Side Scraper .................................................................................................. 7- 54
7.10.7 Drum Motor............................................................................................................................................. 7- 54
7.10.7.1 Removing the Rear Cover (upper)................................................................................................... 7- 54
7.10.7.2 Removing the Rear Cover (lower)................................................................................................... 7- 55
7.10.7.3 Removing the Main Controller Box ................................................................................................ 7- 55
7.10.7.4 Removing the Waste Toner Bottle Holder ...................................................................................... 7- 56
7.10.7.5 Removing the Drum Motor.............................................................................................................. 7- 57
7.10.8 Photosensitive Drum Heater.................................................................................................................... 7- 57
7.10.8.1 Points to Note When Handling the Photosensitive Drum................................................................ 7- 57
7.10.8.2 Removing the Primary Fan Duct ..................................................................................................... 7- 58
7.10.8.3 Removing the Developing Assembly .............................................................................................. 7- 58
7.10.8.4 Removing the Process Unit ............................................................................................................. 7- 59
7.10.8.5 Removing the Primary Charging Assembly .................................................................................... 7- 60
7.10.8.6 Removing the Pre-Transfer Charging Assembly............................................................................. 7- 61
7.10.8.7 Removing the Potential Sensor Assembly....................................................................................... 7- 61
7.10.8.8 Removing the Drum Unit ................................................................................................................ 7- 61
7.10.8.9 Replacing the Drum Heater ............................................................................................................. 7- 62
7.10.8.10 Mounting the Drum Heater........................................................................................................... 7- 63
7.10.9 Hopper Assembly .................................................................................................................................... 7- 63
7.10.9.1 Removing the Primary Fan Duct .................................................................................................... 7- 63
7.10.9.2 Removing the Hopper Assembly..................................................................................................... 7- 63
7.10.10 Hopper Supply Motor............................................................................................................................ 7- 64
7.10.10.1 Removing the Primary Fan Duct ................................................................................................... 7- 64
7.10.10.2 Removing the Right Cover (upper) ............................................................................................... 7- 65
7.10.10.3 Removing the Front Cover ............................................................................................................ 7- 65