COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000R 2CONTENTS6.2.1 Removing the ScannerSystem Drive Cable ........ 2-19R6.2.2 Routing the ScannerDrive Cable ..................... 2-21R6.2.3 Positioning the No. 1/2Mirror Base ..................... 2-22R7. Others .......................................... 2-24R7.1 Removing the Original SizeSensor ................................... 2-24R7.2 Removing the HP Sensor ...... 2-25R7.3 Removing the CopyboardSensor ................................... 2-26R8. PCBs ........................................... 2-27R8.1 Removing the Fuse PCB ....... 2-27R8.2 Removing the Inverter PCB .. 2-28R1. Outline ........................................... 3-1R2. Analog Image Processing .............. 3-2R2.1 Outline .................................... 3-2R2.2 Driving the CCD ..................... 3-2R2.3 Gain Correction and OffsetCorrection of the CCD Output 3-3R2.4 A/D Conversion of the CCDOutput ..................................... 3-3R3. Digital Image Processing ............... 3-4R3.1 Outline ..................................... 3-4R3.2 Shading Correction .................. 3-4R3.2.1 Outline .............................. 3-4R3.2.2 Shading Adjustment .......... 3-5R3.2.3 Shading Correction ........... 3-5R3.2.4 Edge Gain Correction(ADF in use) ..................... 3-6R3.3 Auto Density Adjustment(AE) ........................................ 3-7RCHAPTER 3 IMAGE PROCESSING SYSTEM3.3.1 Outline .............................. 3-7R3.3.2 ABC Circuit ...................... 3-7R3.4 Related Service Mode .............. 3-8R4. External Covers ............................. 3-9R4.1 Removing the Reader FrontCover ....................................... 3-9R4.2 Removing the Reader RearCover ..................................... 3-11R5. CCD/AP PCB ............................. 3-12R5.1 Removing the CCD Unit ....... 3-12R5.2 When Replacing the CCD/AP PCB ................................ 3-13R6. Reader Controller PCB ................ 3-14R6.1 Removing the ReaderController PCB ...................... 3-14R6.2 When Replacing the ReaderController PCB ...................... 3-14R