Service manual

Contents
Contents
10.1 Basic Construcion........................................................................................................................................... 10-1
10.1.1 Outline..................................................................................................................................................... 10-1
10.2 Basic Operation .............................................................................................................................................. 10-2
10.2.1 Picking Up and Moving Originals........................................................................................................... 10-2
10.2.2 Moving Down the Original Pickup Roller and Moving Up the Original................................................ 10-2
10.3 Detection Jams ............................................................................................................................................... 10-4
10.3.1 Outline..................................................................................................................................................... 10-4
10.3.2 Types of Jams.......................................................................................................................................... 10-4
10.4 Parts Replacement Procedure......................................................................................................................... 10-6
10.4.1 ADF......................................................................................................................................................... 10-6
10.4.1.1 Removing the Left Cover................................................................................................................. 10-6
10.4.1.2 Removing the Rear Cover ................................................................................................................ 10-6
10.4.1.3 Removing the Right Cover............................................................................................................... 10-6
10.4.1.4 Removing the ADF........................................................................................................................... 10-6
10.4.2 ADF Drive Unit....................................................................................................................................... 10-7
10.4.2.1 Removing the Left Cover................................................................................................................. 10-7
10.4.2.2 Removing the Rear Cover ................................................................................................................ 10-7
10.4.2.3 Removing the Right Cover............................................................................................................... 10-8
10.4.2.4 Removing the ADF........................................................................................................................... 10-8
10.4.2.5 Removing the ADF Drive Unit ........................................................................................................ 10-9
10.4.3 ADF Motor Unit...................................................................................................................................... 10-9
10.4.3.1 Removing the Left Cover................................................................................................................. 10-9
10.4.3.2 Removing the Rear Cover .............................................................................................................. 10-10
10.4.3.3 Removing the Right Cover............................................................................................................. 10-10
10.4.3.4 Removing the ADF......................................................................................................................... 10-10
10.4.3.5 Removing the ADF Drive Unit ...................................................................................................... 10-11
10.4.3.6 Removing the White Roller............................................................................................................ 10-11
10.4.3.7 Removing the ADF Motor Unit ..................................................................................................... 10-12
10.4.4 Feeding Outside Guide.......................................................................................................................... 10-12
10.4.4.1 Removing the Left Cover............................................................................................................... 10-12
10.4.4.2 Removing the Rear Cover .............................................................................................................. 10-12
10.4.4.3 Removing the Right Cover............................................................................................................. 10-12
10.4.4.4 Removing the ADF......................................................................................................................... 10-13
10.4.4.5 Removing the ADF Drive Unit ...................................................................................................... 10-14
10.4.4.6 Removing the Feeding Outside Guide ........................................................................................... 10-14
10.4.5 Separation Roller Unit........................................................................................................................... 10-14
10.4.5.1 Removing the Left Cover............................................................................................................... 10-14
10.4.5.2 Removing the Right Cover............................................................................................................. 10-15
10.4.5.3 Removing the Rear Cover .............................................................................................................. 10-15
10.4.5.4 Removing the ADF......................................................................................................................... 10-15
10.4.5.5 Removing the ADF Drive Unit ...................................................................................................... 10-16
10.4.5.6 Removing the White Roller............................................................................................................ 10-16
10.4.5.7 Removing the ADF Motor Unit ..................................................................................................... 10-17
10.4.5.8 Removing the Original Feed/Separation Roller Unit..................................................................... 10-17