Table of Contents
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Contents
1.1 Features .....................................................................................................................................................1- 1
1.1.1 Feature .................................................................................................................................................................... 1- 1
1.1.2 Feature .................................................................................................................................................................... 1- 1
1.2 System construction ...................................................................................................................................1- 1
1.2.1 System Construction ............................................................................................................................................... 1- 1
1.2.2 System Construction ............................................................................................................................................... 1- 2
1.3 Product Specifications ................................................................................................................................1- 2
1.3.1 Product Specifications ............................................................................................................................................. 1- 2
1.3.2 Product Specifications ............................................................................................................................................. 1- 3
1.4 Name of Parts.............................................................................................................................................1- 4
1.4.1 External View........................................................................................................................................................... 1- 4
1.4.2 Cross Section View ................................................................................................................................................. 1- 6
1.5 Using the Machine ......................................................................................................................................1- 7
1.5.1 Control Panel........................................................................................................................................................... 1- 7
1.6 Safety .........................................................................................................................................................1- 8
1.6.1 Safety of the Laser Light.......................................................................................................................................... 1- 8
1.6.2 Regulations Under the Center for Devices and Radiological Health (CDRH) ......................................................... 1- 8
1.6.3 Handling the Laser Unit ........................................................................................................................................... 1- 8
1.6.4 Safety of Toner ........................................................................................................................................................ 1- 8
2.1 Functional Configuration.............................................................................................................................2- 1
2.1.1 Outline ..................................................................................................................................................................... 2- 1
2.2 Basic Sequense..........................................................................................................................................2- 1
2.2.1 Basic Sequence of Operation.................................................................................................................................. 2- 1
2.2.2 Power-On Sequence ............................................................................................................................................... 2- 1
2.3 LASER EXPOSURE SYSTEM ...................................................................................................................2- 2
2.3.1 Overview/Configuration ........................................................................................................................................... 2- 2
2.3.1.1 Outline...................................................................................................................................................................................... 2- 2
2.3.2 Laser Control ........................................................................................................................................................... 2- 4
2.3.2.1 Outline...................................................................................................................................................................................... 2- 4
2.3.2.2 Laser Emission Control............................................................................................................................................................ 2- 4
2.3.2.3 Automatic power control (APC)................................................................................................................................................ 2- 5
2.3.2.4 Horizontal synchronous control................................................................................................................................................ 2- 5
2.3.2.5 Image Mask Control................................................................................................................................................................. 2- 5
2.3.2.6 Fault Detection......................................................................................................................................................................... 2- 6
2.3.3 Laser Scanner Motor Control .................................................................................................................................. 2- 6
2.3.3.1 Outline...................................................................................................................................................................................... 2- 6
2.3.3.2 Speed Control .......................................................................................................................................................................... 2- 6
2.3.3.3 Phase Control .......................................................................................................................................................................... 2- 6
2.3.3.4 Fault Detection......................................................................................................................................................................... 2- 7
2.4 IMAGE FORMATION SYSTEM..................................................................................................................2- 7
2.4.1 Overview/Configuration ........................................................................................................................................... 2- 7
2.4.1.1 Outline...................................................................................................................................................................................... 2- 7
2.4.1.2 Image Formation Process........................................................................................................................................................ 2- 8
2.4.1.3 Electrostatic latent image formation block ............................................................................................................................... 2- 9
2.4.1.4 Developing block.................................................................................................................................................................... 2- 10
2.4.1.5 Transfer block ........................................................................................................................................................................ 2- 11
2.4.1.6 Fixing block ............................................................................................................................................................................ 2- 12
2.4.1.7 Drum cleaning block .............................................................................................................................................................. 2- 12
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