Table Of Contents - Canon LBP3010 Series Service Manual

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Service manual (146 pages)

Table of Contents

Contents

1.1 Features .....................................................................................................................................................1- 1

1.1.1 Features .................................................................................................................................................................. 1- 1

1.2 Product Specifications ................................................................................................................................1- 2

1.2.1 Specifications .......................................................................................................................................................... 1- 2

1.3 Name of Parts.............................................................................................................................................1- 2

1.3.1 External View........................................................................................................................................................... 1- 2

1.3.2 Cross Section .......................................................................................................................................................... 1- 3

1.4 Using the Machine ......................................................................................................................................1- 4

1.4.1 Control Panel........................................................................................................................................................... 1- 4

1.5 Safety .........................................................................................................................................................1- 5

1.5.1 Safety of Laser Light................................................................................................................................................ 1- 5

1.5.2 CDRH Regulations .................................................................................................................................................. 1- 5

1.5.3 Safety of Toner ........................................................................................................................................................ 1- 5

1.5.4 Handling the Laser Unit ........................................................................................................................................... 1- 6

1.5.5 Points to Note at Disassembly/Assembly Work....................................................................................................... 1- 6

Chapter 2 TECHNICAL REFERENCE

2.1 Functional Configuration.............................................................................................................................2- 1

2.1.1 Outline ..................................................................................................................................................................... 2- 1

2.2 Basic Sequence..........................................................................................................................................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 Overview .................................................................................................................................................................................. 2- 2

2.3.2 Controlling the Laser Activation Timing ................................................................................................................... 2- 3

2.3.2.1 Laser ON/OFF Control............................................................................................................................................................. 2- 3

2.3.2.2 Horizontal Sync Control ........................................................................................................................................................... 2- 3

2.3.3 Laser Control ........................................................................................................................................................... 2- 4

2.3.3.1 Auto Power Control (APC) ....................................................................................................................................................... 2- 4

2.3.4 Laser Scanner Motor Control .................................................................................................................................. 2- 4

2.3.4.1 Overview .................................................................................................................................................................................. 2- 4

2.3.4.2 Scanner Motor Fault Detection ................................................................................................................................................ 2- 5

2.4 IMAGE FORMATION SYSTEM..................................................................................................................2- 6

2.4.1 Overview/Configuration ........................................................................................................................................... 2- 6

2.4.1.1 Overview .................................................................................................................................................................................. 2- 6

2.4.1.2 Print Process............................................................................................................................................................................ 2- 6

2.4.1.3 Static Latent Image Formation Block ....................................................................................................................................... 2- 7

2.4.1.4 Development Block .................................................................................................................................................................. 2- 8

2.4.1.5 Transfer Block.......................................................................................................................................................................... 2- 8

2.4.1.6 Fixing Block.............................................................................................................................................................................. 2- 9

2.4.1.7 Drum Cleaning Block ............................................................................................................................................................... 2- 9

2.4.2 High-Voltage Control ............................................................................................................................................. 2- 10

2.4.2.1 Overview ................................................................................................................................................................................ 2- 10

2.4.2.2 Generating Primary Charging Bias ........................................................................................................................................ 2- 10

2.4.2.3 Generating Developing Bias .................................................................................................................................................. 2- 10

2.4.2.4 Generating Transfer Bias....................................................................................................................................................... 2- 11

2.4.3 Toner Cartridge ..................................................................................................................................................... 2- 11

2.4.3.1 Toner Level Detection............................................................................................................................................................ 2- 11

2.4.3.2 Toner Cartridge Absence/Presence Detection ...................................................................................................................... 2- 11

Contents