Contents
3.1 Construction ............................................................................................................................................... 3- 1
3.1.1 Functional Construction ...........................................................................................................................................3- 1
3.1.2 Functional Block Diagram ........................................................................................................................................3- 2
3.1.3 Image Processor PCB .............................................................................................................................................3- 2
3.1.4 DC Controller PCB...................................................................................................................................................3- 3
3.1.5 Analog Processor PCB ............................................................................................................................................3- 4
3.1.6 Power Supply PCB ..................................................................................................................................................3- 4
3.1.7 Relay PCB ...............................................................................................................................................................3- 4
3.1.8 Control Panel PCB...................................................................................................................................................3- 4
3.2 Basic Sequence ......................................................................................................................................... 3- 6
3.2.1 Basic Sequence .......................................................................................................................................................3- 6
4.1 Construction ............................................................................................................................................... 4- 1
4.1.2 Major Components...................................................................................................................................................4- 1
4.2 Basic Sequence ......................................................................................................................................... 4- 3
4.2.1 Basic Sequence at Power-on...................................................................................................................................4- 3
4.3 Various Control........................................................................................................................................... 4- 4
4.3.1 Enlargement/Reduction ...........................................................................................................................................4- 4
4.3.2 Dirt Sensor Control ..................................................................................................................................................4- 5
4.3.2.1 Outline...................................................................................................................................................................................... 4- 5
4.4.1 Copyboard glass ......................................................................................................................................................4- 7
4.4.1.1 Removing the Copyboard Glass .............................................................................................................................................. 4- 7
4.4.2 Reader Controller PCB ............................................................................................................................................4- 7
4.4.3 Scanner Motor .........................................................................................................................................................4- 7
4.4.3.1 Removing the Reader Motor.................................................................................................................................................... 4- 7
4.4.4 Contact sensor.........................................................................................................................................................4- 8
4.4.5 Contact Sensor HP Sensor......................................................................................................................................4- 8
5.1 Construction ............................................................................................................................................... 5- 1
5.1.2 Main Components....................................................................................................................................................5- 2
5.2.1 Laser Scanner Unit ..................................................................................................................................................5- 3