8.11.32.4 Removing the Reversing Sensor 2..................................................................................................................................... 8- 47

8.11.33 Reversing Unit ................................................................................................................................................... 8- 47

8.11.33.1 Before Removing the Reversing Flapper Solenoid ............................................................................................................ 8- 47

8.11.33.2 Removing the Reversing Flapper Solenoid........................................................................................................................ 8- 47

8.11.33.3 Mounting the Reversing Flapper Solenoid ......................................................................................................................... 8- 47

8.11.34 Feeding Belt....................................................................................................................................................... 8- 48

8.11.34.1 Before Removing the feeding belt ..................................................................................................................................... 8- 48

8.11.34.2 Removing the feeding belt ................................................................................................................................................. 8- 48

8.11.35 Duplexing Unit.................................................................................................................................................... 8- 49

8.11.35.1 Before Removing the Duplex Feeding Unit ........................................................................................................................ 8- 49

8.11.35.2 Removing the Duplex Feeding Unit.................................................................................................................................... 8- 49

8.11.36 Duplex Feed Motor ............................................................................................................................................ 8- 49

8.11.36.1 Before Removing the Duplex Feeding Left Motor .............................................................................................................. 8- 49

8.11.36.2 Removing the Duplex Feeding Left Motor.......................................................................................................................... 8- 49

8.11.36.3 Before Removing the Duplex Feeding Right Motor............................................................................................................ 8- 49

8.11.36.4 Removing the Duplex Feeding Right Motor ....................................................................................................................... 8- 49

8.11.37 Duplex Feed Sensor .......................................................................................................................................... 8- 49

8.11.37.1 Before Removing the Duplex Pre-Registration Sensor ...................................................................................................... 8- 49

8.11.37.2 Removing the Duplex Pre-Registration Sensor.................................................................................................................. 8- 49

8.11.38 Separation Roller ............................................................................................................................................... 8- 50

8.11.38.1 Before Removing the Separation Roller............................................................................................................................. 8- 50

8.11.38.2 Removing the Separation Roller ........................................................................................................................................ 8- 50

8.11.38.3 Points to Note When Mounting the Separation Roller........................................................................................................ 8- 50

8.11.38.4 Adjusting the Pressure of the Deck/Cassette Separation Roller ........................................................................................ 8- 51

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- 3

9.2 Basic Sequence..........................................................................................................................................9- 4

9.2.1 Outline ..................................................................................................................................................................... 9- 4

9.2.2 30-Sec Start-Up Mode............................................................................................................................................. 9- 4

9.2.3 Low-Temperature Environment Start-Up Mode....................................................................................................... 9- 5

9.2.4 High-Humidity Environment Start-Up Mode ............................................................................................................ 9- 5

9.2.5 Recovery Mode ....................................................................................................................................................... 9- 6

9.2.6 Standby Mode ......................................................................................................................................................... 9- 6

9.2.7 Power Save Mode ................................................................................................................................................... 9- 7

9.2.8 Sleep Mode ............................................................................................................................................................ 9- 7

9.2.9 Copying/Printing Mode ............................................................................................................................................ 9- 7

9.2.10 Down Sequence .................................................................................................................................................... 9- 8

9.2.11 Enhanced Fixing Mode .......................................................................................................................................... 9- 8

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

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

9.2.14 Bond Paper Mode.................................................................................................................................................. 9- 9

9.3 Various Control Mechanisms....................................................................................................................9- 10

9.3.1 Fixing Drive System............................................................................................................................................... 9- 10

9.3.1.1 Controlling the Drive of the Fixing Roller ............................................................................................................................... 9- 10

9.3.1.2 Controlling the Drive of the Fixing Inlet Guide ....................................................................................................................... 9- 10

9.3.1.3 Controlling the Reciprocating Movement of the Thermistor................................................................................................... 9- 11

9.3.1.4 Controlling the Reciprocating Mechanism of the Upper Separation Claw ............................................................................. 9- 11

9.3.1.5 Controlling the Drive of the Shutter........................................................................................................................................ 9- 12

9.3.1.6 Controlling the Shutter Position ............................................................................................................................................. 9- 13

9.3.2 Cleaning ................................................................................................................................................................ 9- 14

9.3.2.1 Controlling the Drive of the Cleaning Web............................................................................................................................. 9- 14

9.3.2.2 Controlling the Mechanism Used to Detect the Remaining Length of the Cleaning Web...................................................... 9- 15

Contents

Table of Contents