Canon i-SENSYS LBP5300 Series, Руководство по обслуживанию

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Contents
Contents
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 ............................................................................................................................................................................... 2-3
2.3.2.1 Outline.............................................................................................................................................................................................................2-3
2.3.2.2 Image masking control....................................................................................................................................................................................2-4
2.3.2.3 Failure detection..............................................................................................................................................................................................2-5
2.3.3 Laser Scanner Motor Control....................................................................................................................................................... 2-5
2.3.3.1 Outline.............................................................................................................................................................................................................2-5
2.3.3.2 Failure detection..............................................................................................................................................................................................2-6
2.4 IMAGE FORMATION SYSTEM .................................................................................................................................2-6
2.4.1 Overview/Configuration .............................................................................................................................................................. 2-6
2.4.1.1 Outline.............................................................................................................................................................................................................2-6
2.4.1.2 Print Process....................................................................................................................................................................................................2-7
2.4.1.3 Electrostatic latent image formation block .....................................................................................................................................................2-8
2.4.1.4 Development block .........................................................................................................................................................................................2-9
2.4.1.5 Transfer block ...............................................................................................................................................................................................2-10
2.4.1.6 Fixing block ..................................................................................................................................................................................................2-11
2.4.1.7 Cleaning block ..............................................................................................................................................................................................2-12
2.4.2 Image Stabilizaton Control ........................................................................................................................................................ 2-12
2.4.2.1 Image Stabilization Control ..........................................................................................................................................................................2-12
2.4.2.2 Environment related corrective control.........................................................................................................................................................2-12
2.4.2.3 Color gradation corrective control ................................................................................................................................................................2-13
2.4.2.4 Color Misregistration Corrective Control .....................................................................................................................................................2-14
2.4.3 Toner Cartridge.......................................................................................................................................................................... 2-16
2.4.3.1 Outline...........................................................................................................................................................................................................2-16
2.4.3.2 Memory tag ...................................................................................................................................................................................................2-17
2.4.3.3 Cartridge presence detection .........................................................................................................................................................................2-17
2.4.3.4 Developing roller engagement/disengagement control.................................................................................................................................2-17
2.4.4 Transfer Unit.............................................................................................................................................................................. 2-18
2.4.4.1 ETB Unit .......................................................................................................................................................................................................2-18
2.4.4.2 Automatic bias control ..................................................................................................................................................................................2-19
2.4.4.3 ETB cleaning.................................................................................................................................................................................................2-20
2.4.4.4 Transfer roller engagement/disengagement control......................................................................................................................................2-21
2.5 Pickup/Feeding/Delivery System.................................................................................................................................2-24
2.5.1 Overview/Configuration ............................................................................................................................................................ 2-24
2.5.1.1 Outline...........................................................................................................................................................................................................2-24
2.5.2 Other Control ............................................................................................................................................................................. 2-25
2.5.2.1 Cassette pick-up mechanism .........................................................................................................................................................................2-25
2.5.2.2 Multi-purpose tray (MPT) pick-up................................................................................................................................................................2-26
2.5.2.3 Skew correction by the registration shutter...................................................................................................................................................2-27
2.5.2.4 Transport Speed Control ...............................................................................................................................................................................2-27
2.5.2.5 Warp control..................................................................................................................................................................................................2-28
2.5.2.6 Fixing roller pressurizing/release control......................................................................................................................................................2-28
2.5.3 Detecting Jams ........................................................................................................................................................................... 2-29
2.5.3.1 Jam Detection Outline...................................................................................................................................................................................2-29
2.5.3.1.1 Outline...................................................................................................................................................................................................2-29
2.5.3.2 Delay Jams ....................................................................................................................................................................................................2-29