8.3.2. CIS (Contact type Image Sensor) / Back
1. Remove Sensor Roller 1.
2. Remove screw and Conveyor Plate Lower 2.
3. Remove Drive Roller 3.
4. Remove 4 hexagonal bolts.
5. Disconnect all connectors.
6. Remove the CIS Back.
7. Remove 4 screws on the both sides of CIS Plate.
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