Canon LBP7200Cdn - Page 8

Contents
2.5.1 Overview/Configuration..........................................................................................................................................2- 11
2.5.1.1 Overview................................................................................................................................................................................ 2- 11
2.5.2 Detecting Jams......................................................................................................................................................2- 12
2.5.2.1 Jam Detection Outline............................................................................................................................................................ 2- 12
2.5.2.2 Delay Jams ............................................................................................................................................................................ 2- 12
2.5.2.3 Stationary Jams ..................................................................................................................................................................... 2- 12
2.5.2.4 Other Jams ............................................................................................................................................................................ 2- 13
2.5.3 Cassette Pickup.....................................................................................................................................................2- 13
2.5.3.1 Separation Roller Method ...................................................................................................................................................... 2- 13
2.6 FIXING UNIT SYSTEM ............................................................................................................................2- 14
2.6.1 Overview/Configuration..........................................................................................................................................2- 14
2.6.1.1 Outline.................................................................................................................................................................................... 2- 14
2.6.2 Various Control Mechanisms.................................................................................................................................2- 14
2.6.2.1 Controlling the Speed of the Fixing Unit ................................................................................................................................ 2- 14
2.6.2.2 Fixing Temperature Control ................................................................................................................................................... 2- 15
2.6.3 Protective Functions ..............................................................................................................................................2- 15
2.6.3.1 Protective function ................................................................................................................................................................. 2- 15
2.6.3.2 Fixing unit failure detection .................................................................................................................................................... 2- 15
2.7 EXTERNAL AND CONTROLS SYSTEM .................................................................................................2- 16
2.7.1 Power Supply.........................................................................................................................................................2- 16
2.7.1.1 Power Supply......................................................................................................................................................................... 2- 16
2.7.1.2 Other Function ....................................................................................................................................................................... 2- 17
2.8 ENGINE CONTROL SYSTEM .................................................................................................................2- 17
2.8.1 Construction...........................................................................................................................................................2- 17
2.8.1.1 Outline.................................................................................................................................................................................... 2- 17
2.8.1.2 Motor control.......................................................................................................................................................................... 2- 18
2.8.1.3 Safety..................................................................................................................................................................................... 2- 18
2.8.2 Main Controller.......................................................................................................................................................2- 18
2.8.2.1 Outline.................................................................................................................................................................................... 2- 18
2.8.2.2 Overview of the Block ............................................................................................................................................................ 2- 19
Chapter 3 DISASSEMBLY AND ASSEMBLY
3.1 EXTERNAL AND CONTROLS SYSTEM ...................................................................................................3- 1
3.1.1 Rear Cover...............................................................................................................................................................3- 1
3.1.1.1 Removing rear cover................................................................................................................................................................ 3- 1
3.1.1.2 Pre-procedure for removing rear cover lib unit ........................................................................................................................ 3- 1
3.1.1.3 Removing rear cover lib unit .................................................................................................................................................... 3- 1
3.1.2 Rear Upper Cover....................................................................................................................................................3- 1
3.1.2.1 Removing upper rear cover (left) ............................................................................................................................................. 3- 1
3.1.2.2 Pre-procedure for removing lower rear cover .......................................................................................................................... 3- 1
3.1.2.3 Removing lower rear cover...................................................................................................................................................... 3- 1
3.1.3 Right Cover..............................................................................................................................................................3- 3
3.1.3.1 Removing right cover............................................................................................................................................................... 3- 3
3.1.3.2 Pre-procedure for removing right frame cover......................................................................................................................... 3- 3
3.1.3.3 Removing right frame cover..................................................................................................................................................... 3- 3
3.1.4 Left Cover ................................................................................................................................................................3- 4
3.1.4.1 Pre-procedure for removing left cover ..................................................................................................................................... 3- 4
3.1.4.2 Removing left cover ................................................................................................................................................................. 3- 4
3.1.5 Upper Cover.............................................................................................................................................................3- 5
3.1.5.1 Pre-procedure for removing upper cover................................................................................................................................. 3- 5
3.1.5.2 Removing upper cover............................................................................................................................................................. 3- 5
3.1.6 Front Cover..............................................................................................................................................................3- 6
3.1.6.1 Pre-procedure for removing front cover................................................................................................................................... 3- 6
3.1.6.2 Removing front cover............................................................................................................................................................... 3- 6
3.1.7 Drive Unit.................................................................................................................................................................3- 8
3.1.7.1 Pre-procedure for removing drive unit ..................................................................................................................................... 3- 8
3.1.7.2 Removing drive unit ................................................................................................................................................................. 3- 8
3.1.8 Duplexing Drive Unit................................................................................................................................................3- 9