Contents
5.1 Basic Construction .........................................................................................................................................................5-1
5.1.1 Overview...................................................................................................................................................................................... 5-1
5.1.2 Major Components....................................................................................................................................................................... 5-1
5.2 Basic Sequence ..............................................................................................................................................................5-3
5.3 Various Control..............................................................................................................................................................5-5
5.3.1 Lamp Control ............................................................................................................................................................................... 5-5
5.3.1.1 Overview .........................................................................................................................................................................................................5-5
5.3.2 Enlargement/Reduction................................................................................................................................................................ 5-5
5.3.2.1 Overview .........................................................................................................................................................................................................5-5
5.3.3 Detecting the Size of Originals .................................................................................................................................................... 5-6
5.3.3.1 Overview .........................................................................................................................................................................................................5-6
5.3.4 Dirt Sensor Control ...................................................................................................................................................................... 5-7
5.3.4.1 Overview .........................................................................................................................................................................................................5-7
5.3.4.2 Stream Reading Position Shift ........................................................................................................................................................................5-7
5.4 Parts Replacement Procedure.........................................................................................................................................5-8
5.4.1 ADF Unit + Reader Unit.............................................................................................................................................................. 5-8
5.4.2 Reader Unit ................................................................................................................................................................................ 5-10
5.4.2.1 Before Removing the Reader Unit ................................................................................................................................................................5-10
5.4.2.2 Removing the Reader Unit............................................................................................................................................................................5-10
Contents