Canon iR7086 Series Service Manual
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Contents
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Contents5.3.6.2 Overview ................................................................................................................................................................................ 5- 205.3.6.3 CCD Drive.............................................................................................................................................................................. 5- 215.3.6.4 CCD Drive.............................................................................................................................................................................. 5- 215.3.6.5 CCD Output Gain Correction, Offset Correction .................................................................................................................... 5- 225.3.6.6 CCD Output A/D Conversion ................................................................................................................................................. 5- 225.3.6.7 Outline of Shading Correction................................................................................................................................................ 5- 225.3.6.8 Shading Adjustment............................................................................................................................................................... 5- 225.3.6.9 Shading Correction ................................................................................................................................................................ 5- 225.4 Parts Replacement Procedure .................................................................................................................5- 235.4.1 CCD Unit ............................................................................................................................................................... 5- 235.4.1.1 Before Starting the Work........................................................................................................................................................ 5- 235.4.1.2 Removing the CCD Unit......................................................................................................................................................... 5- 235.4.1.3 When Replacing Components of the Scanning System ........................................................................................................ 5- 235.4.1.4 When Replacing Components of the Scanning System ........................................................................................................ 5- 235.4.2 Copyboard glass.................................................................................................................................................... 5- 235.4.2.1 Removing the Copyboard Glass ............................................................................................................................................ 5- 235.4.2.2 Removing the Stream Reading Glass.................................................................................................................................... 5- 235.4.2.3 When Replacing Components of the Scanning System ........................................................................................................ 5- 245.4.2.4 When Replacing Components of the Scanning System ........................................................................................................ 5- 245.4.3 Standard White Plate............................................................................................................................................. 5- 245.4.3.1 Removing the Standard White Plate...................................................................................................................................... 5- 245.4.3.2 When Replacing Components of the Scanning System ........................................................................................................ 5- 245.4.4 Scanning Lamp...................................................................................................................................................... 5- 255.4.4.1 Before Starting the Work........................................................................................................................................................ 5- 255.4.4.2 Before Starting the Work........................................................................................................................................................ 5- 255.4.4.3 Removing the Scanning Lamp............................................................................................................................................... 5- 265.4.4.4 When Replacing Components of the Scanning System ........................................................................................................ 5- 275.4.4.5 When Replacing Components of the Scanning System ........................................................................................................ 5- 275.4.5 Reader Controller PCB.......................................................................................................................................... 5- 275.4.5.1 Before Starting the Work........................................................................................................................................................ 5- 275.4.5.2 Removing the Reader Controller PCB ................................................................................................................................... 5- 275.4.5.3 After Replacing the Reader Controller PCB........................................................................................................................... 5- 285.4.5.4 After Replacing the Reader Controller PCB........................................................................................................................... 5- 285.4.6 Interface PCB ........................................................................................................................................................ 5- 285.4.6.1 Before Starting the Work........................................................................................................................................................ 5- 285.4.6.2 Removing the Interface PCB ................................................................................................................................................. 5- 285.4.6.3 Before Starting the Work........................................................................................................................................................ 5- 295.4.6.4 Removing the Interface PCB ................................................................................................................................................. 5- 295.4.7 Inverter PCB .......................................................................................................................................................... 5- 305.4.7.1 Before Starting the Work........................................................................................................................................................ 5- 305.4.7.2 Removing the Inverter PCB ................................................................................................................................................... 5- 305.4.7.3 When Replacing Components of the Scanning System ........................................................................................................ 5- 305.4.7.4 When Replacing Components of the Scanning System ........................................................................................................ 5- 305.4.8 Scanner Motor ....................................................................................................................................................... 5- 305.4.8.1 Before Starting the Work........................................................................................................................................................ 5- 305.4.8.2 Before Starting the Work........................................................................................................................................................ 5- 305.4.8.3 Removing the Scanner Motor ................................................................................................................................................ 5- 315.4.8.4 Mounting the Scanner Motor.................................................................................................................................................. 5- 315.4.9 ADF Open/Close Sensor ....................................................................................................................................... 5- 315.4.9.1 Before Starting the Work........................................................................................................................................................ 5- 315.4.9.2 Removing the ADF Open/Closed Sensor .............................................................................................................................. 5- 315.4.9.3 Before Starting the Work........................................................................................................................................................ 5- 325.4.9.4 Removing the ADF Open/Closed Sensor 1, 2 ....................................................................................................................... 5- 325.4.10 Original Size Sensor ............................................................................................................................................ 5- 335.4.10.1 Before Starting the Work...................................................................................................................................................... 5- 335.4.10.2 Removing the Original Size Sensor Unit.............................................................................................................................. 5- 335.4.10.3 Removing the Original Size Sensor ..................................................................................................................................... 5- 335.4.11 Scanner Home Position Sensor........................................................................................................................... 5- 335.4.11.1 Before Starting the Work...................................................................................................................................................... 5- 335.4.11.2 Removing the Scanner Home Position Sensor.................................................................................................................... 5- 34 |
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