Specifications, Control Mechanisms And Functions ................................................................................................8 - Canon iR2030 Series Service Manual

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.................................................................................................................................... 8-2
8.2.2.1 Outline.............................................................................................................................................................................................................8-2
8.2.2.2 Controlling the Fixing Film Temperature .......................................................................................................................................................8-3
8.2.2.3 Target Temperatures by Mode (iR2030/iR2030i)...........................................................................................................................................8-3
8.2.2.4 Target Temperatures by Mode (iR2025/iR2025i)...........................................................................................................................................8-3
8.2.2.5 Target Temperatures by Mode (iR2022/iR2022i/iR2022K/iR2022N) ...........................................................................................................8-4
8.2.2.6 Target Temperatures by Mode (iR2018/iR2018i/iR2018N)...........................................................................................................................8-5
8.2.3 Detecting the Passage of Paper .................................................................................................................................................... 8-5
8.2.3.1 Detecting the Passage of Paper .......................................................................................................................................................................8-5
8.3 Protective Functions.......................................................................................................................................................8-5
8.3.1 Protective Functions..................................................................................................................................................................... 8-5
8.4 Parts Replacement Procedure.........................................................................................................................................8-8
8.4.1 Fixing Unit ................................................................................................................................................................................... 8-8
8.4.1.1 Removing the Fixing Unit...............................................................................................................................................................................8-8
8.4.2 Pressure Roller ............................................................................................................................................................................. 8-9
8.4.2.1 Removing the Pressure Roller.........................................................................................................................................................................8-9
8.4.3 Fixing Film................................................................................................................................................................................... 8-9
8.4.3.1 Removing the Fixing Film Unit ......................................................................................................................................................................8-9
8.4.4 Fixing Delivery Sensor .............................................................................................................................................................. 8-11
8.4.4.1 Removing the Fixing Delivery Sensor..........................................................................................................................................................8-11
8.4.5 Fixing Film Sensor..................................................................................................................................................................... 8-13
8.4.5.1 Removing the Fixing Film Sensor ................................................................................................................................................................8-13
Contents