Canon LBP5050 Series User Manual

Contents
Contents
Chapter 1 PRODUCT DESCRIPTION
1.1 Features .....................................................................................................................................................1- 1
1.1.1 Feature ....................................................................................................................................................................1- 1
1.2 Product Specifications ................................................................................................................................1- 1
1.2.1 Product Specifications.............................................................................................................................................1- 1
1.3 Detailed Specifications ...............................................................................................................................1- 2
1.3.1 Print Speed..............................................................................................................................................................1- 2
1.4 Name of Parts.............................................................................................................................................1- 3
1.4.1 External View...........................................................................................................................................................1- 3
1.4.2 Cross Sectional View...............................................................................................................................................1- 4
1.5 Using the Machine......................................................................................................................................1- 5
1.5.1 Control Panel...........................................................................................................................................................1- 5
1.6 Safety .........................................................................................................................................................1- 6
1.6.1 Safety of the Laser Light..........................................................................................................................................1- 6
1.6.2 CDRH Regulation ...................................................................................................................................................1- 6
1.6.3 Handling the Laser Unit...........................................................................................................................................1- 6
1.6.4 Points to note at disassembly/installation procedure...............................................................................................1- 7
Chapter 2 TECHNICAL REFERENCE
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
2.3 LASER EXPOSURE SYSTEM ...................................................................................................................2- 2
2.3.1 Overview/Configuration ...........................................................................................................................................2- 2
2.3.1.1 Outline...................................................................................................................................................................................... 2- 2
2.3.2 Laser Scanner Motor Control ..................................................................................................................................2- 2
2.3.2.1 Fault Detection......................................................................................................................................................................... 2- 2
2.4 IMAGE FORMATION SYSTEM..................................................................................................................2- 3
2.4.1 Overview/Configuration ...........................................................................................................................................2- 3
2.4.1.1 Outline...................................................................................................................................................................................... 2- 3
2.4.1.2 Image-formation Process......................................................................................................................................................... 2- 3
2.4.1.3 Latent image formation block................................................................................................................................................... 2- 4
2.4.1.4 Development block .................................................................................................................................................................. 2- 4
2.4.1.5 Transfer block .......................................................................................................................................................................... 2- 5
2.4.1.6 Fixing block .............................................................................................................................................................................. 2- 6
2.4.1.7 ITB cleaning block.................................................................................................................................................................... 2- 6
2.4.1.8 Photosensitive drum cleaning block......................................................................................................................................... 2- 7
2.4.2 High-Voltage Control ...............................................................................................................................................2- 7
2.4.2.1 Outline...................................................................................................................................................................................... 2- 7
2.4.3 Image Stabilizaton Control ......................................................................................................................................2- 8
2.4.3.1 Overview of the Image Stabilization Control Mechanism......................................................................................................... 2- 8
2.4.3.2 Image density correction control (D-max control) .................................................................................................................... 2- 8
2.4.3.3 Image gradation correction control (D-half control).................................................................................................................. 2- 9
2.4.3.4 Color displacement correction control...................................................................................................................................... 2- 9
2.4.4 Toner Cartridge .......................................................................................................................................................2- 9
2.4.4.1 Developing roller engagement/disengagement control............................................................................................................ 2- 9
2.4.5 Transfer Unit............................................................................................................................................................2- 9
2.4.5.1 Pad transfer ............................................................................................................................................................................. 2- 9
2.5 Pickup/Feeding/Delivery System..............................................................................................................2- 10

Canon LBP5050 Series Specifications

General

Print Resolution	Up to 9600 x 600 dpi
Connectivity	USB 2.0
Paper Handling	150-sheet input tray
Print Technology	Laser
Print Speed	Up to 8 ppm color, 12 ppm mono
Operating System Support	Windows, Mac OS
Paper Size	A4, Letter, Legal, Executive, A5, B5
Toner Cartridge	Canon 716 Black, Canon 716 Cyan, Canon 716 Magenta, Canon 716 Yellow