3.2.1.7 Removing the Upper Cover................................................................................................................ 3-16 3.2.1.8 Removing the Reader Unit ................................................................................................................. 3-16 3.2.1.9 Removing the Upper Reader Unit Frame........................................................................................... 3-17 3.2.1.10 Removing the Separation Guide Unit............................................................................................... 3-17 3.2.2 Contact Sensor........................................................................................................................................... 3-17 3.2.2.1 Removing the Right Cover................................................................................................................. 3-17 3.2.2.2 Removing the Left Cover ................................................................................................................... 3-17 3.2.2.3 Removing the Front Cover ................................................................................................................. 3-17 3.2.2.4 Removing the Rear Cover .................................................................................................................. 3-18 3.2.2.5 Removing the Cartridge Cover........................................................................................................... 3-18 3.2.2.6 Removing the Operation Panel Unit................................................................................................... 3-18 3.2.2.7 Removing the Upper Cover................................................................................................................ 3-18 3.2.2.8 Removing the Reader Unit ................................................................................................................. 3-18 3.2.2.9 Removing the Contact Sensor ............................................................................................................ 3-19 3.2.3 Separation Roller ....................................................................................................................................... 3-19 3.2.3.1 Removing the Right Cover................................................................................................................. 3-19 3.2.3.2 Removing the Left Cover ................................................................................................................... 3-19 3.2.3.3 Removing the Front Cover ................................................................................................................. 3-19 3.2.3.4 Removing the Rear Cover .................................................................................................................. 3-20 3.2.3.5 Removing the Cartridge Cover........................................................................................................... 3-20 3.2.3.6 Removing the Operation Panel Unit................................................................................................... 3-20 3.2.3.7 Removing the Upper Cover................................................................................................................ 3-20 3.2.3.8 Removing the Reader Unit ................................................................................................................. 3-21 3.2.3.9 Removing the Upper Reader Unit Frame........................................................................................... 3-21 3.2.3.10 Removing the Separation Roller ...................................................................................................... 3-21 3.2.4 Feed Roller ................................................................................................................................................ 3-21 3.2.4.1 Removing the Right Cover................................................................................................................. 3-21 3.2.4.2 Removing the Left Cover ................................................................................................................... 3-21 3.2.4.3 Removing the Front Cover ................................................................................................................. 3-21 3.2.4.4 Removing the Rear Cover .................................................................................................................. 3-22 3.2.4.5 Removing the Cartridge Cover........................................................................................................... 3-22 3.2.4.6 Removing the Operation Panel Unit................................................................................................... 3-22 3.2.4.7 Removing the Upper Cover................................................................................................................ 3-22 3.2.4.8 Removing the Reader Unit ................................................................................................................. 3-23 3.2.4.9 Removing the Upper Reader Unit Frame........................................................................................... 3-23 3.2.4.10 Removing the Document Feed Roller .............................................................................................. 3-23 3.2.5 Reader Unit................................................................................................................................................ 3-24 3.2.5.1 Removing the Right Cover................................................................................................................. 3-24 3.2.5.2 Removing the Left Cover ................................................................................................................... 3-24 3.2.5.3 Removing the Front Cover ................................................................................................................. 3-24 3.2.5.4 Removing the Rear Cover .................................................................................................................. 3-24 3.2.5.5 Removing the Cartridge Cover........................................................................................................... 3-24 3.2.5.6 Removing the Operation Panel Unit................................................................................................... 3-25 3.2.5.7 Removing the Upper Cover................................................................................................................ 3-25 3.2.5.8 Removing the Reader Unit ................................................................................................................. 3-25 3.2.6 Document Feed Motor............................................................................................................................... 3-25 3.2.6.1 Removing the Right Cover................................................................................................................. 3-25 3.2.6.2 Removing the Left Cover ................................................................................................................... 3-25 3.2.6.3 Removing the Front Cover ................................................................................................................. 3-26