Canon iR2016 Series, Service Manual

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Contents
6.4 Driving and Controlling the High-Voltage System ...................................................................................... 6- 3
6.4.1 Outline......................................................................................................................................................................6- 3
6.5 Drum Unit ................................................................................................................................................... 6- 4
6.5.1 Outline of the Drum Unit ..........................................................................................................................................6- 4
6.5.1.1 Outline...................................................................................................................................................................................... 6- 4
6.5.2
Charging Mechanism ...............................................................................................................................................6- 4
6.5.2.1 Primary Charging Bias Control ................................................................................................................................................ 6- 4
6.6 Developing Unit .......................................................................................................................................... 6- 5
6.6.1 Outline......................................................................................................................................................................6- 5
6.6.2
Developing Bias Control ..........................................................................................................................................6- 5
6.7
Toner Container ......................................................................................................................................... 6- 6
6.7.1
Outline......................................................................................................................................................................6- 6
6.8 Transfer Unit............................................................................................................................................... 6- 6
6.8.1
Outline of the Transfer Unit......................................................................................................................................6- 6
6.8.1.1 Outline...................................................................................................................................................................................... 6- 6
6.8.2 Controlling the Transfer Bias ...................................................................................................................................6- 7
6.8.2.1 Transfer Roller Bias Control..................................................................................................................................................... 6- 7
6.8.3 Separation Mechanism ............................................................................................................................................6- 7
6.8.3.1
Static Eliminator Bias Control .................................................................................................................................................. 6- 7
6.9 Photosensitive Drum Cleaning ................................................................................................................... 6- 8
6.9.1 Outline......................................................................................................................................................................6- 8
6.9.2 Waste Toner Full Detection .....................................................................................................................................6- 8
6.10 Parts Replacement Procedure ................................................................................................................. 6- 9
6.10.1 Drum Unit ...............................................................................................................................................................6- 9
6.10.1.1 Removing the Drum Unit........................................................................................................................................................ 6- 9
6.10.2 Developing Assembly.............................................................................................................................................6- 9
6.10.2.1 Removing the Drum Unit........................................................................................................................................................ 6- 9
6.10.2.2 Removing the Rear Cover...................................................................................................................................................... 6- 9
6.10.2.3 Removing the Right Cover (Lower)........................................................................................................................................ 6- 9
6.10.2.4 Removing the Delivery Tray................................................................................................................................................... 6- 9
6.10.2.5
Removing the Developing Assembly ..................................................................................................................................... 6- 9
6.10.2.6 Precautions about Installation of Developing Assembly ..................................................................................................... 6- 10
6.10.2.7 Procedure after Replacing the Developing Assembly.......................................................................................................... 6- 10
6.10.3 Transfer Charging Roller......................................................................................................................................6- 10
6.10.3.1 Removing the Transfer Charging Roller............................................................................................................................... 6- 10
Chapter 7 Pickup/Feeding System
7.1 Construction ............................................................................................................................................... 7- 1
7.1.1 Specifications/Configuration/Operation Methods.....................................................................................................7- 1
7.1.2 Locations of Main Units............................................................................................................................................7- 1
7.1.3 Roller Layout Drawing..............................................................................................................................................7- 2
7.1.4
Paper Path Drawing(Printer on its own)...................................................................................................................7- 2
7.1.5 Paper Path Drawing(Finisher-U1)............................................................................................................................7- 3
7.1.6 Paper Path Drawing(Duplex Unit-A1/Finisher-U1)...................................................................................................7- 3
7.1.7 Paper Path Drawing(Duplex-A1)..............................................................................................................................7- 3
7.1.8 Paper Path Drawing(Duplex-A1/Inner 2Way Tray-E1) ............................................................................................7- 4
7.1.9
Paper Path Drawing(Inner 2Way Tray-E1) ..............................................................................................................7- 4
7.1.10 Sensor Layout Drawing..........................................................................................................................................7- 5
7.2 Detecting Jams........................................................................................................................................... 7- 6
7.2.1 Delay Jams ..............................................................................................................................................................7- 6
7.2.1.1 Delay Jam in Pickup Assembly................................................................................................................................................ 7- 6
7.2.1.2 Delay Jam in Delivery Assembly (Paper Leading Edge Jam at First Delivery Sensor/Wound Paper Jam at Fixing Assembly) 7-
6
7.2.2 Stationary Jams .......................................................................................................................................................7- 6
7.2.2.1 Stationary Jam in Pickup Assembly......................................................................................................................................... 7- 6
7.2.2.2 Stationary Jam in Delivery Assembly (Paper Trailing Edge Stationary Jam at First Delivery Sensor/Stationary Jam at First
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