Canon DADF-M1 Service Manual download pdf (Page 8)

2003 CANON INC. 2000 2000 2000 CANON DADF-B1/K1 REV.1 JAN. 2003

CONTENTS

1 Basic configuration .............................. 3-1

1.1 Outer covers .................................. 3-1

1.1.1 Removing the document tray .. 3-2

1.1.2 Removing the ADF ................. 3-4

1.1.3 Removing the main

unit cover ............................. 3-5

1.2 Removing the feed belt unit ........ 3-7

1.3 ADF controller circuit board ...... 3-10

1.3.1 Removal ................................ 3-10

1.3.2 Installation ............................. 3-11

2 Drive systems .................................... 3-12

2.1 Removing the pickup unit .......... 3-12

2.2 Removing the separation

motor (M1)............................... 3-14

2.3 Removing the feed motor (M2) .. 3-15

2.3.1 Removal ................................ 3-15

2.3.2 Installation............................ 3-17

2.4 Removing the reverse

delivery unit ............................. 3-19

2.4.1 Removal ............................... 3-20

2.4.2 Installation ............................. 3-21

2.5 Removing the reverse delivery

motor (M3)............................... 3-23

3 Paper feed related .............................. 3-25

3.1 Removing the separation pad ..... 3-25

3.2 Removing the separation roller .. 3-28

3.3 Removing the pickup roller ........ 3-31

3.4 Installing the separation

roller unit ................................. 3-32

3.5 Removing the reverse roller and

feed roller ................................. 3-35

3.6 Removing the feed belt ............... 3-42

4 Sensors............................................... 3-44

4.1 Removing the document sensor

board (U503) ............................ 3-44

4.2 Removing the document set LED

board ........................................ 3-46

4.3 Removing the final document

detection sensor board (U504) . 3-47

4.4 Document detection dial (VR).... 3-48

4.4.1 Removal ................................ 3-48

4.4.2 Installation ............................. 3-48

4.5 Removing the pre-registration

sensor (U502)........................... 3-51

4.6 Removing the reverse exit

sensor (U505)........................... 3-53

CHAPTER 3 MECHANICAL SYSTEMS

1 Periodic replacement parts .................. 4-1

2 Consumable replacement parts

replacement targets list ....................... 4-1

CHAPTER 4 MAINTENANCE AND INSPECTION

3 Periodic service items list .................... 4-2

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 210 211

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