Canon iR2422 series Service Manual page 12

Contents
7.5.7 Cassette Pickup Solenoid ......................................................................................................................................7- 19
7.5.7.1 Removing the Cassette Pickup Solenoid............................................................................................................................... 7- 19
7.5.8 Manual Pickup Roller .............................................................................................................................................7- 20
7.5.8.1 Removing the Multifeeder Pickup Roller................................................................................................................................ 7- 20
7.5.9 Manual Feed Tray paper sensor............................................................................................................................7- 20
7.5.9.1 Removing the Multifeeder Paper Presence/Absence Sensor................................................................................................ 7- 20
7.5.10 Manual Feed Pickup Solenoid .............................................................................................................................7- 21
7.5.10.1 Removing the Multifeeder Pickup Solenoid ......................................................................................................................... 7- 21
7.5.11 Registration Roller................................................................................................................................................7- 21
7.5.11.1 Removing the Registration Roller ........................................................................................................................................ 7- 21
7.5.12 Registration Clutch...............................................................................................................................................7- 22
7.5.12.1 Removing the Registration Clutch........................................................................................................................................ 7- 22
7.5.13 Separation Roller .................................................................................................................................................7- 22
7.5.13.1 Removing the Feed and Separation Rollers ........................................................................................................................ 7- 22
7.5.14 Separation Pad ....................................................................................................................................................7- 22
7.5.14.1 Removing the Separation Pad ............................................................................................................................................. 7- 22
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- 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
Chapter 9 External and Controls
9.1 Control Panel.............................................................................................................................................. 9- 1
9.1.1 Overview ..................................................................................................................................................................9- 1
9.2 Fans ........................................................................................................................................................... 9- 1
9.2.1 Overview ..................................................................................................................................................................9- 1
9.2.2 Fan Control ..............................................................................................................................................................9- 1
9.3 Power Supply System ................................................................................................................................ 9- 2
9.3.1 Power Supply...........................................................................................................................................................9- 2
9.3.1.1 Outline (When the duplex unit is not equipped) ....................................................................................................................... 9- 2
9.3.1.2 Outline (When the duplex unit is equipped) ............................................................................................................................. 9- 3
9.3.1.3 Outline (When the duplex unit is not equipped) ....................................................................................................................... 9- 4
9.3.1.4 Outline (When the duplex unit is equipped) ............................................................................................................................. 9- 5
9.3.1.5 Rated Output of the Power Supply PCB .................................................................................................................................. 9- 6
9.3.2 Protection Function ..................................................................................................................................................9- 6