Service manual

Contents
7.5.12 Separation Pad .....................................................................................................................................7- 15
7.5.12.1 Removing the Drum Unit..............................................................................................................7- 15
7.5.12.2 Removing the Transfer Registration Unit..................................................................................7- 15
7.5.12.3 Removing the Feed Guide...........................................................................................................7- 15
7.5.12.4 Removing the Multifeeder Pickup Roller ...................................................................................7- 15
7.5.12.5 Removing the Separation Pad....................................................................................................7- 16
Chapter 8 Fixing System
8.1 Construction.....................................................................................................................................................8- 1
8.1.1 Specifications, Control Mechanisms, and Functions..........................................................................8- 1
8.1.2 Major Components...................................................................................................................................8- 2
8.2 Various Control Mechanisms ........................................................................................................................8- 3
8.2.1 Controlling the Speed of the Fixing Film...............................................................................................8- 3
8.2.1.1 Controlling the Fixing Film Speed ..................................................................................................8- 3
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- 4
8.2.3 Detecting the Passage of Paper ............................................................................................................8- 4
8.2.3.1 Detecting the Passage of Paper.....................................................................................................8- 4
8.3 Protective Functions.......................................................................................................................................8- 5
8.3.1 Protective Functions ................................................................................................................................8- 5
8.4 Parts Replacement Procedure......................................................................................................................8- 7
8.4.1 Fixing Unit ..................................................................................................................................................8- 7
8.4.1.1 Removing the Drum Unit..................................................................................................................8- 7
8.4.1.2 Removing the rear cover..................................................................................................................8- 7
8.4.1.3 Removing the Left Cover (Rear).....................................................................................................8- 7
8.4.1.4 Removing the Left Door ...................................................................................................................8- 7
8.4.1.5 Removing the Fixing Unit.................................................................................................................8- 8
8.4.2 Pressure Roller .........................................................................................................................................8- 9
8.4.2.1 Removing the Drum Unit..................................................................................................................8- 9
8.4.2.2 Removing the rear cover..................................................................................................................8- 9
8.4.2.3 Removing the Left Cover (Rear).....................................................................................................8- 9
8.4.2.4 Removing the Left Door ...................................................................................................................8- 9
8.4.2.5 Removing the Fixing Unit...............................................................................................................8- 10
8.4.2.6 Removing the Fixing Film Unit ......................................................................................................8- 10
8.4.2.7 Removing the Pressure Roller ......................................................................................................8- 12
8.4.3 Fixing Film................................................................................................................................................8- 13
8.4.3.1 Removing the Drum Unit................................................................................................................8- 13
8.4.3.2 Removing the rear cover................................................................................................................8- 13
8.4.3.3 Removing the Left Cover (Rear)...................................................................................................8- 13
8.4.3.4 Removing the Left Door .................................................................................................................8- 13
8.4.3.5 Removing the Fixing Unit...............................................................................................................8- 14
8.4.3.6 Removing the Fixing Film Unit ......................................................................................................8- 15
8.4.4 Fixing Delivery Sensor...........................................................................................................................8- 17
8.4.4.1 Removing the Drum Unit................................................................................................................8- 17
8.4.4.2 Removing the Rear Cover .............................................................................................................8- 17
8.4.4.3 Removing the Left Cover (Rear)...................................................................................................8- 17