Canon iR2422 series Service Manual page 195

Contents
8.1 Construction ...................................................................................................................................................................8-1
8.1.1 Specifications, Control Mechanisms, and Functions ................................................................................................................... 8-1
8.1.2 Major Components....................................................................................................................................................................... 8-1
8.2 Various Control Mechanisms.........................................................................................................................................8-2
8.2.1 Controlling the Speed of the Fixing Film .................................................................................................................................... 8-2
8.2.1.1 Controlling the Fixing Film Speed..................................................................................................................................................................8-2
8.2.2 Controlling the Fixing Film Temperature.................................................................................................................................... 8-3
8.2.2.1 Outline.............................................................................................................................................................................................................8-3
8.2.2.2 Controlling the Fixing Film Temperature .......................................................................................................................................................8-3
8.2.2.3 Target Temperatures by Mode ........................................................................................................................................................................8-3
8.2.3 Detecting the Passage of Paper .................................................................................................................................................... 8-4
8.2.3.1 Detecting the Passage of Paper .......................................................................................................................................................................8-4
8.3 Parts Replacement Procedure.........................................................................................................................................8-5
8.3.1 Fixing Unit ................................................................................................................................................................................... 8-5
8.3.1.1 Removing the Fixing Unit...............................................................................................................................................................................8-5
8.3.2 Pressure Roller ............................................................................................................................................................................. 8-6
8.3.2.1 Removing the Pressure Roller.........................................................................................................................................................................8-6
8.3.3 Fixing Film................................................................................................................................................................................... 8-7
8.3.3.1 Removing the Fixing Film Unit ......................................................................................................................................................................8-7
8.3.4 Fixing Delivery Sensor ................................................................................................................................................................ 8-9
8.3.4.1 Removing the Fixing Delivery Sensor............................................................................................................................................................8-9
8.3.5 Fixing Film Sensor..................................................................................................................................................................... 8-10
8.3.5.1 Removing the Fixing Film Sensor ................................................................................................................................................................8-10
Contents