Service manual

Contents
4.4.3 Scanner Motor ...........................................................................................................................................4-17
4.4.3.1 Removing the Rear Cover...................................................................................................................4-17
4.4.3.2 Removing the Right Cover (Lower)...................................................................................................4-17
4.4.3.3 Removing the Right Cover (Upper)....................................................................................................4-17
4.4.3.4 Removing the Left Cover (Rear) ........................................................................................................4-17
4.4.3.5 Removing the Reader Rear Cover ......................................................................................................4-18
4.4.3.6 Removing the Scanner Motor.............................................................................................................4-18
4.4.4 Contact sensor............................................................................................................................................4-18
4.4.4.1 Removing the Rear Cover...................................................................................................................4-18
4.4.4.2 Removing the Right Cover (Lower)...................................................................................................4-18
4.4.4.3 Removing the Right Cover (Upper)....................................................................................................4-19
4.4.4.4 Removing the Left Cover (Rear) ........................................................................................................4-19
4.4.4.5 Removing the Reader Rear Cover ......................................................................................................4-19
4.4.4.6 Removing the Copyboard glass..........................................................................................................4-19
4.4.4.7 Removing the Contact Image Sensor (CIS)........................................................................................4-20
4.4.4.8 Procedure after Replacing the CIS......................................................................................................4-20
4.4.5 Copyboard Cover Open/Close Sensor.......................................................................................................4-20
4.4.5.1 Removing the Rear Cover...................................................................................................................4-20
4.4.5.2 Removing the Right Cover (Lower)...................................................................................................4-21
4.4.5.3 Removing the Right Cover (Upper)....................................................................................................4-21
4.4.5.4 Removing the Left Cover (Rear) ........................................................................................................4-21
4.4.5.5 Removing the Reader Rear Cover ......................................................................................................4-21
4.4.5.6 Removing the Copyboard Cover Open/Close Sensor (Front/Rear)....................................................4-22
4.4.6 Contact Sensor HP Sensor.........................................................................................................................4-22
4.4.6.1 Removing the Copyboard glass..........................................................................................................4-22
4.4.6.2 Removing the ADF Reading Glass.....................................................................................................4-22
4.4.6.3 Removing the Contact Sensor HP Sensor...........................................................................................4-23
4.4.7 Original Size Sensor ..................................................................................................................................4-23
4.4.7.1 Removing the Copyboard glass..........................................................................................................4-23
4.4.7.2 Removing the Original Sensor (Vertical Scan Direction) ..................................................................4-23
4.4.7.3 Removing the Original Sensor (Horizontal Scan Direction)..............................................................4-24
4.4.8 Reader Heater (option) ..............................................................................................................................4-24
4.4.8.1 Removing the Copyboard glass..........................................................................................................4-24
4.4.8.2 Removing the Reader Heater (Right) .................................................................................................4-25
4.4.8.3 Removing the Reader Front Cover .....................................................................................................4-25
4.4.8.4 Removing the ADF Reading Glass.....................................................................................................4-25
4.4.8.5 Removing the Reader Heater (Left)....................................................................................................4-26