Canon iR4570 Series, Service Manual

Page: 168 / 876

Contents
5.4.3 Scanner Motor ...........................................................................................................................................5-37
5.4.3.1 Removing the Reader Rear Cover ......................................................................................................5-37
5.4.3.2 Removing the Scanner Motor .............................................................................................................5-37
5.4.4 Contact sensor............................................................................................................................................5-38
5.4.4.1 Removing the Reader Front Cover .....................................................................................................5-38
5.4.4.2 Removing the Reader Rear Cover ......................................................................................................5-40
5.4.4.3 Removing the Copyboard Glass .........................................................................................................5-40
5.4.4.4 Removing the Contact Image Sensor (CIS)........................................................................................5-42
5.4.4.5 After Replacement of the CIS.............................................................................................................5-44
5.4.5 Copyboard Cover Open/Close Sensor .......................................................................................................5-45
5.4.5.1 Removing the Reader Rear Cover ......................................................................................................5-45
5.4.5.2 Removing the Copyboard Cover Open/Closed Sensor (front/rear)....................................................5-46
5.4.6 Contact Sensor HP Sensor .........................................................................................................................5-47
5.4.6.1 Removing the Copyboard Glass .........................................................................................................5-47
5.4.6.2 Removing the ADF Reading Glass.....................................................................................................5-48
5.4.6.3 Removing the Contract Sensor Home Position Sensor ......................................................................5-49
5.4.7 Original Size Sensor ..................................................................................................................................5-50
5.4.7.1 Removing the Reader Rear Cover ......................................................................................................5-50
5.4.7.2 Removing the Copyboard Glass .........................................................................................................5-51
5.4.7.3 Removing the Original Size Sensor....................................................................................................5-53
5.4.8 Reader Heater (option) ..............................................................................................................................5-55
5.4.8.1 Removing the Copyboard Glass .........................................................................................................5-55
5.4.8.2 Removing the Reader Heater (right)...................................................................................................5-57
5.4.8.3 Removing the ADF Reading Glass.....................................................................................................5-58
5.4.8.4 Removing the Reader Heater (left).....................................................................................................5-58