5.4.2.2 Removing the Stream Reading Glass ........................................................................................................................................................... 5-23

5.4.2.3 When Replacing Components of the Scanning System................................................................................................................................ 5-24

5.4.2.4 When Replacing Components of the Scanning System................................................................................................................................ 5-24

5.4.3 Standard White Plate.................................................................................................................................................................. 5-24

5.4.3.1 Removing the Standard White Plate ............................................................................................................................................................. 5-24

5.4.3.2 When Replacing Components of the Scanning System................................................................................................................................ 5-24

5.4.4 Scanning Lamp .......................................................................................................................................................................... 5-25

5.4.4.1 Before Starting the Work .............................................................................................................................................................................. 5-25

5.4.4.2 Before Starting the Work .............................................................................................................................................................................. 5-25

5.4.4.3 Removing the Scanning Lamp...................................................................................................................................................................... 5-26

5.4.4.4 When Replacing Components of the Scanning System................................................................................................................................ 5-27

5.4.4.5 When Replacing Components of the Scanning System................................................................................................................................ 5-27

5.4.5 Reader Controller PCB .............................................................................................................................................................. 5-27

5.4.5.1 Before Starting the Work .............................................................................................................................................................................. 5-27

5.4.5.2 Removing the Reader Controller PCB.......................................................................................................................................................... 5-27

5.4.5.3 After Replacing the Reader Controller PCB................................................................................................................................................. 5-28

5.4.5.4 After Replacing the Reader Controller PCB................................................................................................................................................. 5-28

5.4.6 Interface PCB............................................................................................................................................................................. 5-28

5.4.6.1 Before Starting the Work .............................................................................................................................................................................. 5-28

5.4.6.2 Removing the Interface PCB ........................................................................................................................................................................ 5-28

5.4.6.3 Before Starting the Work .............................................................................................................................................................................. 5-29

5.4.6.4 Removing the Interface PCB ........................................................................................................................................................................ 5-29

5.4.7 Inverter PCB .............................................................................................................................................................................. 5-30

5.4.7.1 Before Starting the Work .............................................................................................................................................................................. 5-30

5.4.7.2 Removing the Inverter PCB.......................................................................................................................................................................... 5-30

5.4.7.3 When Replacing Components of the Scanning System................................................................................................................................ 5-30

5.4.7.4 When Replacing Components of the Scanning System................................................................................................................................ 5-30

5.4.8 Scanner Motor............................................................................................................................................................................ 5-30

5.4.8.1 Before Starting the Work .............................................................................................................................................................................. 5-30

5.4.8.2 Before Starting the Work .............................................................................................................................................................................. 5-30

5.4.8.3 Removing the Scanner Motor ....................................................................................................................................................................... 5-31

5.4.8.4 Mounting the Scanner Motor ........................................................................................................................................................................ 5-31

5.4.9 ADF Open/Close Sensor............................................................................................................................................................ 5-31

5.4.9.1 Before Starting the Work .............................................................................................................................................................................. 5-31

5.4.9.2 Removing the ADF Open/Closed Sensor ..................................................................................................................................................... 5-31

5.4.9.3 Before Starting the Work .............................................................................................................................................................................. 5-32

5.4.9.4 Removing the ADF Open/Closed Sensor 1, 2 .............................................................................................................................................. 5-32

5.4.10 Original Size Sensor ................................................................................................................................................................ 5-33

5.4.10.1 Before Starting the Work ............................................................................................................................................................................ 5-33

5.4.10.2 Removing the Original Size Sensor Unit.................................................................................................................................................... 5-33

5.4.10.3 Removing the Original Size Sensor............................................................................................................................................................ 5-33

5.4.11 Scanner Home Position Sensor................................................................................................................................................ 5-33

5.4.11.1 Before Starting the Work ............................................................................................................................................................................ 5-33

5.4.11.2 Removing the Scanner Home Position Sensor ........................................................................................................................................... 5-34

5.4.11.3 Before Starting the Work ............................................................................................................................................................................ 5-34

5.4.11.4 Removing the Scanner Home Position Sensor ........................................................................................................................................... 5-34

5.4.12 Cooling Fan.............................................................................................................................................................................. 5-35

5.4.12.1 Before Starting the Work ............................................................................................................................................................................ 5-35

5.4.12.2 Removing the Reader Cooling Fan 1/2....................................................................................................................................................... 5-35

5.4.12.3 Before Starting the Work ............................................................................................................................................................................ 5-36

5.4.12.4 Removing the Reader Cooling Fan............................................................................................................................................................. 5-36

5.4.13 Scanner Drive Cable ................................................................................................................................................................ 5-36

5.4.13.1 Before Starting the Work ............................................................................................................................................................................ 5-36

5.4.13.2 Before Starting the Work ............................................................................................................................................................................ 5-37

5.4.13.3 Removing the Scanner Drive Cable............................................................................................................................................................ 5-39

5.4.13.4 Fitting the Scanner Drive Cable.................................................................................................................................................................. 5-40

5.4.13.5 Adjusting the Position of the No. 1/No. 2 Mirror Base .............................................................................................................................. 5-40

Table of Contents