Contents7.10.8.2 Removing the Sub Hopper Unit ........................................................................................................................................... 7- 367.10.9 Developing Assembly...........................................................................................................................................7- 377.10.9.1 Before Starting the Work...................................................................................................................................................... 7- 377.10.9.2 Removing the Developing Assembly ................................................................................................................................... 7- 387.10.9.3 Points to Note When the Developing Assembly................................................................................................................... 7- 387.10.9.4 Removing the Hopper .......................................................................................................................................................... 7- 387.10.10 Developing Cylinder ...........................................................................................................................................7- 397.10.10.1 Removing the Developing Cylinder .................................................................................................................................... 7- 397.10.11 Developing Blade ...............................................................................................................................................7- 407.10.11.1 Before Starting the Work .................................................................................................................................................... 7- 407.10.11.2 Removing the Blade Unit.................................................................................................................................................... 7- 407.10.11.3 Mounting the Blade ............................................................................................................................................................ 7- 407.10.12 Developing Cylinder Deceleration Clutch...........................................................................................................7- 407.10.12.1 Before Starting the Work .................................................................................................................................................... 7- 407.10.12.2 Removing the Developing Cylinder Decelerating Clutch.................................................................................................... 7- 407.10.13 Developing Cylinder Clutch ................................................................................................................................7- 417.10.13.1 Before Starting the Work .................................................................................................................................................... 7- 417.10.13.2 Removing the Developing Cylinder Clutch......................................................................................................................... 7- 417.10.14 Transfer/Separation Charging Assembly ...........................................................................................................7- 417.10.14.1 Removing the Transfer/Separation Charging Assembly .................................................................................................... 7- 417.10.15 Pre-Transfer Exposure LED ...............................................................................................................................7- 427.10.15.1 Removing the Pre-Transfer Exposure LED........................................................................................................................ 7- 427.10.16 Separation Claw/Separation Claw Drive Assembly............................................................................................7- 427.10.16.1 Separation Claw/Separation Claw Drive Assembly............................................................................................................ 7- 427.10.17 Potential Sensor .................................................................................................................................................7- 437.10.17.1 Removing the Potential Sensor Unit .................................................................................................................................. 7- 437.10.17.2 Removing the Potential Control PCB ................................................................................................................................. 7- 437.10.17.3 When Replacing the Potential Sensor/Potential Control PCB............................................................................................ 7- 447.10.18 Dust-Collecting Roller.........................................................................................................................................7- 447.10.18.1 Removing the Dust-Collecting Roller ................................................................................................................................. 7- 447.10.19 Charging Wire ....................................................................................................................................................7- 457.10.19.1 Outline ................................................................................................................................................................................ 7- 457.10.19.2 Removing the Wire Cleaner for the Primary Charging Assembly ...................................................................................... 7- 457.10.19.3 Removing the Wire Cleaner of the Transfer Separation Charging Assembly .................................................................... 7- 457.10.19.4 Stringing the Charging Wire ............................................................................................................................................... 7- 467.10.19.5 Stringing the Grid of the Primary Charging Assembly........................................................................................................ 7- 477.10.19.6 Adjusting the Height of the Charging Wire ......................................................................................................................... 7- 47Chapter 8 Pickup/Feeding System8.1 Construction ............................................................................................................................................... 8- 18.1.1 Specifications and Construction...............................................................................................................................8- 18.1.2 Arrangement of Rollers and Sensors.......................................................................................................................8- 18.1.3 Control System ........................................................................................................................................................8- 28.1.4 Controlling the Pickup Motor (M2) ...........................................................................................................................8- 38.1.5 Index Paper Attachment ..........................................................................................................................................8- 48.2 Basic Sequence ......................................................................................................................................... 8- 58.2.1 Right Deck ...............................................................................................................................................................8- 58.2.2 Pickup from the cassette 4.......................................................................................................................................8- 58.3 Detecting Jams........................................................................................................................................... 8- 68.3.1 Jam Detection Outline..............................................................................................................................................8- 68.3.1.1 Outline...................................................................................................................................................................................... 8- 68.3.2 Delay Jams ..............................................................................................................................................................8- 78.3.2.1 Cassette Pickup (Right deck, Left deck, cassette 3, 4)............................................................................................................ 8- 78.3.2.2 Other Delay Jams .................................................................................................................................................................... 8- 78.3.3 Stationary Jams .......................................................................................................................................................8- 88.3.3.1 Common Stationary Jams........................................................................................................................................................ 8- 88.3.3.2 Stationary Jam at Power-On.................................................................................................................................................... 8- 98.4 Cassette Pick-Up Unit ................................................................................................................................ 8- 9