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CHAPTER 12: ADF SCANNING SECTION
Contents
Mechanism ......................................................................................................................... 12-2
1. ADF Original Set Mechanism ................................................................................ 12-2
2. ADF Original Scanning Mechanism (with Automatic Base Control) ..................... 12-6
3. ADF Original Scanning Mechanism ...................................................................... 12-8
Removal and Assembly .................................................................................................... 12-11
1. Removing the Original Scraper Ass'y .................................................................. 12-11
2. Removing the Pickup Roller ................................................................................ 12-13
3. Removing the Original Stripper Roller ................................................................ 12-14
4. Removing the ADF Original Detection, Original IN, and Original
OUT Sensors ....................................................................................................... 12-15
5. Removing the ADF Original Registration Sensor ............................................... 12-16
6. Removing the ADF Read Pulse Motor ................................................................. 12-17
7. Removing the Registration Roller, Original Read Roller,
and Original Ejection Roller (top) ........................................................................ 12-19
Adjustment ........................................................................................................................ 12-22
1. ADF Scan Start Position Adjustment ................................................................... 12-22
2. ADF Horizontal Scan Position Adjustment .......................................................... 12-23
3. ADF Read Pulse Motor Speed Adjustment
(Image Elongation & Shrinkage Adjustment) ..................................................... 12-24
4. Original IN Sensor Sensitivity Adjustment ........................................................... 12-25
5. ADF Image Skew Adjustment .............................................................................. 12-26
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