Contents
5.2.3Basic Sequence of Operation in Response to a Press on the Start Key (ADF mode; 1 original )...............5- 8
5.3 Various Control ...............................................................................................................................................5- 10
5.3.1 Controlling the Scanner Drive System......................................................................................................5- 10
5.3.1.1 Outline ...............................................................................................................................................5- 10
5.3.1.2 Controlling the Reader Motor............................................................................................................5- 10
5.3.2 Contact Image Sensor (CIS)......................................................................................................................5- 12
5.3.2.1 Outline ...............................................................................................................................................5- 12
5.3.2.2 Analog Control Inside the Contact Image Sensor .............................................................................5- 13
5.3.3 Enlargement/Reduction.............................................................................................................................5- 14
5.3.3.1 Changing the Magnification in Main Scanning Direction.................................................................5- 14
5.3.3.2 Varying the Magnification in Sub Scanning Direction .....................................................................5- 14
5.3.4 Detecting the Size of Originals .................................................................................................................5- 16
5.3.4.1 Outline ...............................................................................................................................................5- 16
5.3.4.2 Outline of Size Identification.............................................................................................................5- 17
5.3.5 Dirt Sensor Control ...................................................................................................................................5- 19
5.3.5.1 Outline ...............................................................................................................................................5- 19
5.3.6 Image Processing.......................................................................................................................................5- 22
5.3.6.1 Outline ...............................................................................................................................................5- 22
5.3.6.2 CCD Drive .........................................................................................................................................5- 23
5.3.6.3 Gain Correction and Offset Correction of the CCD Output ..............................................................5- 23
5.3.6.4 A/D Conversion of the CCD Output..................................................................................................5- 24
5.3.6.5 Shading Correction (outline) .............................................................................................................5- 24
5.3.6.6 Shading Adjustment...........................................................................................................................5- 24
5.3.6.7 Shading Correction ............................................................................................................................5- 24
5.4 Parts Replacement Procedure ..........................................................................................................................5- 26
5.4.1 Copyboard glass ........................................................................................................................................5- 26
5.4.1.1 Removing the Copyboard Glass ........................................................................................................5- 26
5.4.1.2 Removing the ADF Reading Glass....................................................................................................5- 26
5.4.2 Reader Controller PCB.............................................................................................................................. 5- 27
5.4.2.1 Before Replacing the Reader Controller PCB ...................................................................................5- 27
5.4.2.2 Removing the Reader Rear Cover .....................................................................................................5- 27
5.4.2.3 Removing the rear cover of the machine ...........................................................................................5- 27
5.4.2.4 Removing the flexible cable cover ....................................................................................................5- 28
5.4.2.5 Removing the Copyboard Glass ........................................................................................................5- 28
5.4.2.6 Removing the Reader Controller PCB............................................................................................... 5- 29
5.4.2.7 After Replacing the Reader Controller PCB or After Initializing the RAM .....................................5- 31
5.4.3 Scanner Motor ...........................................................................................................................................5- 32
5.4.3.1 Removing the Reader Rear Cover .....................................................................................................5- 32
5.4.3.2 Removing the Scanner Motor ............................................................................................................5- 32
5.4.4 Contact sensor ...........................................................................................................................................5- 33
5.4.4.1 Removing the Reader Front Cover ....................................................................................................5- 33
5.4.4.2 Removing the Reader Rear Cover .....................................................................................................5- 33
5.4.4.3 Removing the Copyboard Glass ........................................................................................................5- 34
5.4.4.4 Removing the Contact Image Sensor (CIS).......................................................................................5- 35
5.4.4.5 After Replacement of the CIS............................................................................................................5- 36
5.4.5 Copyboard Cover Open/Close Sensor.......................................................................................................5- 36
5.4.5.1 Removing the Reader Rear Cover .....................................................................................................5- 36
5.4.5.2 Removing the Copyboard Cover Open/Closed Sensor (front/rear)...................................................5- 37
5.4.6 Contact Sensor HP Sensor.........................................................................................................................5- 37
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Содержание iR4570 Series
Страница 2: ...Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Страница 6: ...Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Страница 27: ...Chapter 1 Introduction Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Страница 28: ...Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Страница 81: ...Chapter 2 Installation ...
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Страница 106: ...system setup network Ethernet driver setup auto detect ...
Страница 126: ...F 2 94 3 2 3 1 ...
Страница 127: ...Chapter 3 Basic Operation ...
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Страница 137: ...Chapter 4 Main Controller ...
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Страница 165: ...Chapter 5 Original Exposure System ...
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Страница 213: ...Chapter 6 Laser Exposure ...
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Страница 221: ...P ACC Motor acceleration signal P DEC Motor deceleration signal BD BD output level single Single Description ...
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Страница 231: ...Chapter 7 Image Formation ...
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Страница 309: ...Chapter 8 Pickup Feeding System ...
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Страница 379: ...Chapter 8 8 63 An image is formed for the 1st side of the 5th sheet F 8 85 The 5th sheet is delivered 4 1 2 3 5 ...
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Страница 465: ...Chapter 9 Fixing System ...
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Страница 500: ...Chapter 9 9 32 F 9 107 3 Disconnect the connector 1 and detach the fixing film sensor 2 F 9 108 ...
Страница 501: ...Chapter 10 External and Controls ...
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Страница 565: ...Chapter 11 MEAP ...
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Страница 567: ...Contents Contents 11 1 Overview 11 1 11 2 MEAP Counter 11 2 11 3 Construction of the MEAP Platform 11 4 ...
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Страница 573: ...Chapter 12 Maintenance and Inspection ...
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Страница 613: ...Chapter 13 Standards and Adjustments ...
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Страница 635: ...Chapter 14 Correcting Faulty Images ...
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Страница 675: ...T 14 22 Notation Description VR201 for factory use ...
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Страница 677: ...Chapter 15 Self Diagnosis ...
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Страница 757: ...Chapter 16 Service Mode ...
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Страница 760: ...Contents 16 8 1 COPIER 16 102 16 8 1 1 Copier List 16 102 ...
Страница 869: ...Chapter 17 Service Tools ...
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Страница 871: ...Contents Contents 17 1 Special Tools 17 1 17 2 Oils and Solvents 17 2 ...
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Страница 875: ...Oct 8 2004 ...
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