Canon iR4570 Series Service Manual page 9

2.6.1Points to Note ............................................................................................................................................ 2- 27
2.6.2Checking the Contents............................................................................................................................... 2- 27
2.6.3Installation Procedure................................................................................................................................ 2- 28
2.6.4Installation in a NetSpot Accountant (NSA) Environment ....................................................................... 2- 32
2.7 Installing the NE Controller ............................................................................................................................ 2- 33
2.7.1Installing the NE Controller-A1 ................................................................................................................ 2- 33
Chapter 3 Basic Operation
3.1 Construction ...................................................................................................................................................... 3- 1
3.1.1Functional Construction .............................................................................................................................. 3- 1
3.1.2Major PCB Wiring diagram ........................................................................................................................ 3- 2
3.2 Basic Sequence.................................................................................................................................................. 3- 5
3.2.1Basic Sequence of Operation at Power-On ................................................................................................. 3- 5
Chapter 4 Main Controller
4.1 Construction ...................................................................................................................................................... 4- 1
4.1.1Construction and Mechanisms .................................................................................................................... 4- 1
4.1.2Construction and Functions......................................................................................................................... 4- 2
4.2 Construction of the Electrical Circuitry ............................................................................................................ 4- 4
4.2.1Main Controller PCB................................................................................................................................... 4- 4
4.2.2Main Controller PCB................................................................................................................................... 4- 5
4.2.3HDD ............................................................................................................................................................ 4- 7
4.2.4HDD (optional)............................................................................................................................................ 4- 9
4.3 Start-Up Sequence........................................................................................................................................... 4- 12
4.3.1Overview ................................................................................................................................................... 4- 12
4.3.2Start-Up Sequence ..................................................................................................................................... 4- 12
4.4 Shut-Down Sequence ...................................................................................................................................... 4- 15
4.4.1Overview ................................................................................................................................................... 4- 15
4.4.2Overview (w/ HDD) .................................................................................................................................. 4- 15
4.4.3Flow of Operation ..................................................................................................................................... 4- 15
4.4.4Flow of Operation (w/ HDD) .................................................................................................................... 4- 15
4.5 Image Processing............................................................................................................................................. 4- 17
4.5.1Overview of the Image Flow..................................................................................................................... 4- 17
4.5.2Construction of the Image Processing Module ......................................................................................... 4- 17
4.5.3Construction of the Image Processing Module ......................................................................................... 4- 18
4.5.4Reader Unit Input Image Processing......................................................................................................... 4- 19
4.5.5Compressio/ Extesion/ Editing Block ...................................................................................................... 4- 20
4.5.6Compression/Expansion/Edit Block.......................................................................................................... 4- 21
4.5.7Printer unit Output Image Processing ....................................................................................................... 4- 21
4.6 Flow of Image Data ......................................................................................................................................... 4- 23
4.6.1Flow of Image Data According to Copy Functions .................................................................................. 4- 23
4.6.2Flow of Image Data for the Copy Function .............................................................................................. 4- 23
4.6.3Flow of Image Data for the Box Function ................................................................................................ 4- 24
4.6.4Flow of Image Data for the Box Function ................................................................................................ 4- 25
4.6.5Flow of Image Data for the SEND Function............................................................................................. 4- 25
4.6.6Flow of Image Data for the SEND Function............................................................................................. 4- 26
4.6.7Flow of Image Data for the Fax Transmission.......................................................................................... 4- 27
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