8.10.24.1 Removing the Rear Cover (upper) ..................................................................................................................................... 8- 68

8.10.24.2 Removing the Rear Cover (lower)...................................................................................................................................... 8- 68

8.10.24.3 Removing the Main Controller Box..................................................................................................................................... 8- 68

8.10.24.4 Removing the Right Cover (lower rear).............................................................................................................................. 8- 69

8.10.24.5 Removing the Waste Toner Bottle Holder.......................................................................................................................... 8- 69

8.10.24.6 Removing the Vertical Path Lower Motor........................................................................................................................... 8- 70

8.10.25 Fixing Feeding Unit Releasing Lever Sensor..................................................................................................... 8- 70

8.10.25.1 Removing the Fixing Feed Unit .......................................................................................................................................... 8- 70

8.10.25.2 Removing the fixing Feed unit front cover ......................................................................................................................... 8- 72

8.10.25.3 Removing the Fixing Feed Unit Releasing Lever Switch ................................................................................................... 8- 73

8.10.26 Feeding Belt....................................................................................................................................................... 8- 73

8.10.26.1 Removing the Fixing Feed Unit .......................................................................................................................................... 8- 73

8.10.26.2 Removing the fixing Feed unit front cover ......................................................................................................................... 8- 75

8.10.26.3 Removing the Fixing Upper Unit ........................................................................................................................................ 8- 76

8.10.26.4 Removing the Feeding Belt ................................................................................................................................................ 8- 77

8.10.27 Duplexing Unit.................................................................................................................................................... 8- 77

8.10.27.1 Removing the Duplex Unit.................................................................................................................................................. 8- 77

8.10.27.2 Removing the Reversing Flapper Solenoid........................................................................................................................ 8- 78

8.10.27.3 Adjusting the Position of the Reversing Flapper Solenoid (SL8)........................................................................................ 8- 78

8.10.27.4 Removing the Reversal Motor............................................................................................................................................ 8- 78

8.10.27.5 Mounting the Reversal Motor ............................................................................................................................................. 8- 78

8.10.27.6 Removing the Duplexing Feeding Left Motor ..................................................................................................................... 8- 79

8.10.27.7 Removing the Duplex Feeding Right Motor ....................................................................................................................... 8- 79

8.10.27.8 Removing the Duplex Pre-Registration Sensor.................................................................................................................. 8- 79

8.10.27.9 Removing the Reversal Sensor 1....................................................................................................................................... 8- 80

8.10.27.10 Removing the Reversal Sensor 2..................................................................................................................................... 8- 80

8.10.27.11 Removing the Left Deck Feed Paper Sensor ................................................................................................................... 8- 80

8.10.27.12 Removing the Duplex Driver PCB .................................................................................................................................... 8- 81

8.10.27.13 Removing the Duplex Feeding Fan .................................................................................................................................. 8- 81

8.10.27.14 Removing the Horizontal Registration Unit....................................................................................................................... 8- 81

8.10.28 Separation Roller ............................................................................................................................................... 8- 82

8.10.28.1 Removing the Right Deck/ Cassette Pickup Assembly ...................................................................................................... 8- 82

8.10.28.2 Removing the Left Deck Pickup Assembly......................................................................................................................... 8- 83

8.10.28.3 Removing the Separation Roller ........................................................................................................................................ 8- 83

8.10.28.4 Orientation of the Separation Roller ................................................................................................................................... 8- 84

8.10.28.5 Adjusting the Pressure of the Separation Roller of the Deck/Cassette .............................................................................. 8- 84

Chapter 9 Fixing System

9.1 Construction ...............................................................................................................................................9- 1

9.1.1 Specifications, Control Mechanisms, and Functions ............................................................................................... 9- 1

9.1.2 Major Components .................................................................................................................................................. 9- 1

9.1.3 IH Fixing Method (outline) ....................................................................................................................................... 9- 3

9.1.4 Limiting th Rise in Temperature at the Roller Edges by Use of a Flux blocking Plate (shutter) .............................. 9- 4

9.2 Basic Sequence..........................................................................................................................................9- 5

9.2.1 Outline ..................................................................................................................................................................... 9- 5

9.2.2 30-Sec Start-Up Mode............................................................................................................................................. 9- 5

9.2.3 Low-Temperature Environment Start-Up Mode....................................................................................................... 9- 6

9.2.4 High-Humidity Environment Start-Up Mode ............................................................................................................ 9- 6

9.2.5 Recovery Mode ....................................................................................................................................................... 9- 7

9.2.6 Standby Mode ......................................................................................................................................................... 9- 7

9.2.7 Power Save Mode ................................................................................................................................................... 9- 8

9.2.8 Sleep Mode ............................................................................................................................................................ 9- 8

9.2.9 Copying/Printing Mode ............................................................................................................................................ 9- 9

9.2.10 Down Sequence .................................................................................................................................................... 9- 9

9.2.11 Enhanced Fixing Mode .......................................................................................................................................... 9- 9

9.2.12 Heavy Paper Mode .............................................................................................................................................. 9- 10

9.2.13 Transparency Mode............................................................................................................................................. 9- 10

Contents

Table of Contents