Canon L90 Series Service Manual page 25

Contents
2.1 Overview/Configuration ................................................................................................................................................2-1
2.1.1 Overview...................................................................................................................................................................................... 2-1
2.2 Parts Replacement Procedure.........................................................................................................................................2-1
2.2.1 Separation Guide Unit.................................................................................................................................................................. 2-1
2.2.1.1 Preparation for Removing the Scraper ............................................................................................................................................................2-1
2.2.1.2 Removing the Scraper .....................................................................................................................................................................................2-1
2.2.2 Contact Sensor ............................................................................................................................................................................. 2-2
2.2.2.1 Preparation for Removing the Contact Sensor................................................................................................................................................2-2
2.2.2.2 Removing the Contact Sensor.........................................................................................................................................................................2-2
2.2.3 Separation Roller ......................................................................................................................................................................... 2-3
2.2.3.1 Preparation for Removing the Document Separation Roller ..........................................................................................................................2-3
2.2.3.2 Removing the Document Separation Roller ...................................................................................................................................................2-3
2.2.4 Feed Roller................................................................................................................................................................................... 2-4
2.2.4.1 Preparation for Removing the Document Feed Roller....................................................................................................................................2-4
2.2.4.2 Removing the Document Feed Roller.............................................................................................................................................................2-4
2.2.5 Reader Unit .................................................................................................................................................................................. 2-5
2.2.5.1 Preparation for Removing the Reader Unit.....................................................................................................................................................2-5
2.2.5.2 Removing the Reader Unit..............................................................................................................................................................................2-5
2.2.6 Document Feed Motor ................................................................................................................................................................. 2-5
2.2.6.1 Preparation for Removing the Document Feed Motor....................................................................................................................................2-5
2.2.6.2 Removing the Document Feed Motor.............................................................................................................................................................2-5
2.2.7 DS/DES Sensor ............................................................................................................................................................................ 2-5
2.2.7.1 Preparation for Removing the DS/DES Sensor ..............................................................................................................................................2-5
2.2.7.2 Removing the DS/DES Sensor........................................................................................................................................................................2-6
Contents