Canon Color imageCLASS MF9170c Service Manual page 7

4.3.3.1 Overview .............................................................................................................................................4- 6
4.3.4 Dirt Sensor Control ...................................................................................................................................4- 7
4.3.4.1 Overview .............................................................................................................................................4- 7
4.3.4.2 Stream Reading Position Shift ........................................................................................................4- 7
4.4 Parts Replacement Procedure ......................................................................................................................4- 8
4.4.1 ADF Unit + Reader Unit ...........................................................................................................................4- 8
4.4.1.1 Before Removing the ADF Unit + Reader Unit .............................................................................4- 8
4.4.1.2 Removing the ADF Unit + Reader Unit..........................................................................................4- 8
4.4.1.3 Procedure after Replacing the ADF Unit .....................................................................................4- 10
4.4.1.4 Procedure after Replacing the Reader Unit ................................................................................4- 10
4.4.2 Reader Unit ..............................................................................................................................................4- 10
4.4.2.1 Before Removing the Reader Unit................................................................................................4- 10
4.4.2.2 Removing the Reader Unit.............................................................................................................4- 10
4.4.2.3 Procedure after Replacing the Reader Unit ................................................................................4- 11
Chapter 5 Original Feeding System
5.1 Basic Construction ..........................................................................................................................................5- 1
5.1.1 Overview ....................................................................................................................................................5- 1
5.2 Basic Operation ...............................................................................................................................................5- 3
5.2.1 Operation Mode ........................................................................................................................................5- 3
5.2.2 Document Size Detection........................................................................................................................5- 5
5.3 Detection Jams ................................................................................................................................................5- 6
5.3.1 Overview ....................................................................................................................................................5- 6
5.4 ADF/DADF........................................................................................................................................................5- 7
5.4.1 ADF/DADF .................................................................................................................................................5- 7
5.4.1.1 Removing the ADF unit ....................................................................................................................5- 7
5.4.1.2 Procedure after Replacing the ADF Unit .......................................................................................5- 8
5.4.2 Pickup Feed Unit.......................................................................................................................................5- 8
5.4.2.1 Removing the ADF Pickup Feed Unit ............................................................................................5- 8
5.4.3 Pick-up Roller ..........................................................................................................................................5- 10
5.4.3.1 Removing the ADF Pickup Roller .................................................................................................5- 10
5.4.4 Separation Roller ....................................................................................................................................5- 11
5.4.4.1 Removing the ADF Separation Roller ..........................................................................................5- 11
5.4.5 Pick-up Motor...........................................................................................................................................5- 12
5.4.5.1 Before Removing the ADF Pickup Motor.....................................................................................5- 12
5.4.5.2 Removing the ADF Pickup Motor .................................................................................................5- 12
5.4.6 Pick-up Solenoid .....................................................................................................................................5- 13
5.4.6.1 Before Removing the ADF Pickup Solenoid ...............................................................................5- 13
5.4.6.2 Removing the ADF Pickup Solenoid ............................................................................................5- 13
5.4.7 Separation Pad........................................................................................................................................5- 14
5.4.7.1 Removing the ADF Separation Pad .............................................................................................5- 14
Chapter 6 Laser Exposure
6.1 Overview/Configuration ..................................................................................................................................6- 1
6.1.1 Overview ....................................................................................................................................................6- 1
6.2 Controlling the Laser.......................................................................................................................................6- 3
6.2.1 Overview ....................................................................................................................................................6- 3
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