Contents7.8 Toner Container........................................................................................................................................................... 7-527.8.1 Outline........................................................................................................................................................................................ 7-527.8.2 Outline........................................................................................................................................................................................ 7-537.8.3 Toner Bottle Presence Detection ............................................................................................................................................... 7-547.8.4 Toner Bottle Presence Detection ............................................................................................................................................... 7-557.8.5 Toner Supply.............................................................................................................................................................................. 7-557.8.6 Toner Supply.............................................................................................................................................................................. 7-577.8.7 Toner Level Detection ............................................................................................................................................................... 7-587.8.8 Toner Level Detection ............................................................................................................................................................... 7-597.9 Transfer Device ........................................................................................................................................................... 7-607.9.1 Overview of Transfer Assembly................................................................................................................................................ 7-607.9.2 Transfer Bias Control................................................................................................................................................................. 7-617.9.3 Overview of the Primary Transfer Assembly ............................................................................................................................ 7-637.9.4 ITB Cleaner Attachment/Detachment Control .......................................................................................................................... 7-637.9.5 ITB Cleaner Attachment/Detachment Detection ....................................................................................................................... 7-647.9.6 Overview of the Secondary Transfer Assembly ........................................................................................................................ 7-657.9.7 Secondary Transfer Outside Roller Attachment/Detachment Control ...................................................................................... 7-667.9.8 Secondary Transfer Roller Attachment/Detachment Detection ................................................................................................ 7-677.9.9 Secondary Transfer Roller Cleaning Control ............................................................................................................................ 7-687.9.10 ITB Home Position Detection.................................................................................................................................................. 7-707.9.11 ITB Home Position Detection.................................................................................................................................................. 7-717.10 Photosensitive Drum Cleaning .................................................................................................................................. 7-747.10.1 Overview of Drum Cleaning Unit............................................................................................................................................ 7-747.10.2 Drum Cleaning Unit Drive Control ......................................................................................................................................... 7-747.11 Waste Toner Collection Mechanism ......................................................................................................................... 7-757.11.1 Collecting Waste Toner ........................................................................................................................................................... 7-757.11.2 Waste Toner Full Detection ..................................................................................................................................................... 7-767.12 Drum Heater .............................................................................................................................................................. 7-797.12.1 Drum Heater Control ............................................................................................................................................................... 7-797.13 ITB Heater................................................................................................................................................................. 7-807.13.1 ITB Heater Control .................................................................................................................................................................. 7-807.14 Parts Replacement Procedure.................................................................................................................................... 7-837.14.1 Process Unit ............................................................................................................................................................................. 7-837.14.1.1 Preparation for Sliding the Processing Unit ............................................................................................................................................... 7-837.14.1.2 Sliding the Processing Unit......................................................................................................................................................................... 7-837.14.1.3 Sliding the Processing Unit......................................................................................................................................................................... 7-847.14.2 Pre-exposure LED Array ......................................................................................................................................................... 7-867.14.2.1 Preparation for Removing the Pre-Exposure LED ..................................................................................................................................... 7-867.14.2.2 Removing the Pre-Exposure LED unit ....................................................................................................................................................... 7-867.14.3 Preconditioning Exposure LED Unit ....................................................................................................................................... 7-867.14.3.1 Preparation for Removing the Drum Cleaning Pre-Exposure LED Unit ................................................................................................... 7-867.14.3.2 Removing the Drum Cleaning Pre-Exposure LED Unit ............................................................................................................................ 7-867.14.4 Primary Charging Assembly.................................................................................................................................................... 7-867.14.4.1 Preparation for Removing the Primary Corona Assembly ......................................................................................................................... 7-867.14.4.2 Removing the Primary Corona Assembly .................................................................................................................................................. 7-867.14.4.3 After Replacing the Primary Charging Assembly ...................................................................................................................................... 7-877.14.5 Primary Corona Grid Panel...................................................................................................................................................... 7-877.14.5.1 Preparation for Removing the Primary Grid Plate...................................................................................................................................... 7-877.14.5.2 Removing the Primary Grid Plate............................................................................................................................................................... 7-877.14.6 Primary Corona Pad Holder..................................................................................................................................................... 7-877.14.6.1 Preparation for Removing the Primary Corona Pad Holder ....................................................................................................................... 7-877.14.6.2 Removing the Primary Corona Assembly Pad Holder ............................................................................................................................... 7-877.14.7 Primary Corona Slider ............................................................................................................................................................. 7-887.14.7.1 Preparation for Removing the Primary Corona Assembly Slider............................................................................................................... 7-887.14.7.2 Removing the Primary Corona Assembly Slider........................................................................................................................................ 7-887.14.8 Pre-transfer Charging Assembly.............................................................................................................................................. 7-887.14.8.1 Preparation for removing the Pre-transfer Corona Assembly .................................................................................................................... 7-88
