Canon iR6570 series Service Manual page 13

7.10.4.2 Removing the Pre-Transfer Charging Assembly.................................................................................................................. 7- 31
7.10.5 Photosensitive Drum............................................................................................................................................ 7- 31
7.10.5.1 Points to Note When Handling the Photosensitive Drum..................................................................................................... 7- 31
7.10.5.2 Removing the Primary Fan Duct .......................................................................................................................................... 7- 31
7.10.5.3 Removing the Developing Assembly ................................................................................................................................... 7- 32
7.10.5.4 Removing the Process Unit ................................................................................................................................................. 7- 32
7.10.5.5 Removing the Primary Charging Assembly ......................................................................................................................... 7- 33
7.10.5.6 Removing the Pre-Transfer Charging Assembly.................................................................................................................. 7- 34
7.10.5.7 Removing the Potential Sensor Assembly ........................................................................................................................... 7- 34
7.10.5.8 Removing the Drum Unit...................................................................................................................................................... 7- 34
7.10.5.9 Cleaning the Photosensitive Drum....................................................................................................................................... 7- 35
7.10.6 Drum Cleaner Unit ............................................................................................................................................... 7- 35
7.10.6.1 Construction ......................................................................................................................................................................... 7- 35
7.10.6.2 Removing the Primary Fan Duct .......................................................................................................................................... 7- 35
7.10.6.3 Removing the Developing Assembly ................................................................................................................................... 7- 36
7.10.6.4 Sliding Out the Process Unit ............................................................................................................................................... 7- 36
7.10.6.5 Removing the Primary Charging Assembly ......................................................................................................................... 7- 37
7.10.6.6 Removing the Cleaning Blade.............................................................................................................................................. 7- 38
7.10.6.7 Mounting the Cleaning Blade ............................................................................................................................................... 7- 38
7.10.6.8 Mounting the Side Seal ........................................................................................................................................................ 7- 38
7.10.6.9 Cleaning the Cleaner Side Scraper...................................................................................................................................... 7- 39
7.10.7 Drum Motor.......................................................................................................................................................... 7- 39
7.10.7.1 Removing the Rear Cover (upper) ....................................................................................................................................... 7- 39
7.10.7.2 Removing the Rear Cover (lower)........................................................................................................................................ 7- 40
7.10.7.3 Removing the Main Controller Box ...................................................................................................................................... 7- 40
7.10.7.4 Removing the Waste Toner Bottle Holder............................................................................................................................ 7- 41
7.10.7.5 Removing the Drum Motor ................................................................................................................................................... 7- 41
7.10.8 Photosensitive Drum Heater................................................................................................................................ 7- 42
7.10.8.1 Points to Note When Handling the Photosensitive Drum..................................................................................................... 7- 42
7.10.8.2 Removing the Primary Fan Duct .......................................................................................................................................... 7- 42
7.10.8.3 Removing the Developing Assembly ................................................................................................................................... 7- 42
7.10.8.4 Removing the Process Unit ................................................................................................................................................. 7- 43
7.10.8.5 Removing the Primary Charging Assembly ......................................................................................................................... 7- 44
7.10.8.6 Removing the Pre-Transfer Charging Assembly.................................................................................................................. 7- 44
7.10.8.7 Removing the Potential Sensor Assembly ........................................................................................................................... 7- 44
7.10.8.8 Removing the Drum Unit...................................................................................................................................................... 7- 45
7.10.8.9 Replacing the Drum Heater.................................................................................................................................................. 7- 45
7.10.8.10 Mounting the Drum Heater ................................................................................................................................................ 7- 46
7.10.9 Hopper Assembly ................................................................................................................................................ 7- 46
7.10.9.1 Removing the Primary Fan Duct ......................................................................................................................................... 7- 46
7.10.9.2 Removing the Hopper Assembly.......................................................................................................................................... 7- 46
7.10.10 Hopper Supply Motor ......................................................................................................................................... 7- 47
7.10.10.1 Removing the Primary Fan Duct ........................................................................................................................................ 7- 47
7.10.10.2 Removing the Right Cover (upper)..................................................................................................................................... 7- 47
7.10.10.3 Removing the Front Cover ................................................................................................................................................. 7- 47
7.10.10.4 Removing the Hopper Supply Motor .................................................................................................................................. 7- 48
7.10.11 Hopper Strring Motor ......................................................................................................................................... 7- 48
7.10.11.1 Removing the Primary Fan Duct ........................................................................................................................................ 7- 48
7.10.11.2 Removing the Right Cover (upper)..................................................................................................................................... 7- 49
7.10.11.3 Removing the Hopper Stirring Motor.................................................................................................................................. 7- 49
7.10.12 Developing Assembly ........................................................................................................................................ 7- 49
7.10.12.1 Removing the Developing Assembly.................................................................................................................................. 7- 49
7.10.12.2 Cleaning the Developing Anti-Stray Sheet ......................................................................................................................... 7- 50
7.10.13 Developing Cylinder........................................................................................................................................... 7- 50
7.10.13.1 Removing the Developing Assembly.................................................................................................................................. 7- 50
7.10.13.2 Removing the Blade Unit.................................................................................................................................................... 7- 51
7.10.13.3 Removing the Developing Cylinder .................................................................................................................................... 7- 51
7.10.14 Developing Blade............................................................................................................................................... 7- 52
7.10.14.1 Removing the Developing Assembly.................................................................................................................................. 7- 52
7.10.14.2 Removing the Blade Unit.................................................................................................................................................... 7- 52
7.10.14.3 Mounting the Blade ............................................................................................................................................................ 7- 52
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