Canon IMAGERUNNER 7095 PRINTER, Руководство по обслуживанию

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Contents
3.2.1
Basic Sequence of Operations (power-on)
.......................................................................................... 3- 4
Chapter 4 Main Controller
4.1 Construction ..................................................................................................................................................... 4- 1
4.1.1 Construction/Functions ........................................................................................................................... 4- 1
4.2
Construction of the Electrical Circuitry
........................................................................................................ 4- 2
4.2.1
Main Controller PCB
................................................................................................................................ 4- 2
4.3
Start-Up Sequence
......................................................................................................................................... 4- 3
4.3.1 Overview ................................................................................................................................................... 4- 3
4.3.2 Start-Up Sequence .................................................................................................................................. 4- 3
4.3.3 Action to Take in Response to E602 .................................................................................................... 4- 6
4.4
Shut-Down Sequence
.................................................................................................................................... 4- 9
4.4.1
Flow of Operation
.................................................................................................................................... 4- 9
4.5 Image Processing ........................................................................................................................................... 4- 9
4.5.1 Overview of the Image Flow .................................................................................................................. 4- 9
4.5.2 Configuration of the Image Processing Modules .............................................................................. 4- 10
4.5.3
Reader Input Image Processing
.......................................................................................................... 4- 10
4.5.4
Compression/Expansion/Editing Block
.............................................................................................. 4- 11
4.5.5 Printer Output Image Processing ........................................................................................................ 4- 11
4.6 Parts Replacement Procedure ................................................................................................................... 4- 12
4.6.1 Main Controller Box ............................................................................................................................... 4- 12
4.6.2
Main Controller PCB
.............................................................................................................................. 4- 13
4.6.3
SDRAM
.................................................................................................................................................... 4- 16
4.6.4 Boot ROM ................................................................................................................................................ 4- 16
4.6.5 HDD .......................................................................................................................................................... 4- 17
4.6.6 Video PCB ............................................................................................................................................... 4- 18
4.6.7
Reader I/F PCB
...................................................................................................................................... 4- 19
4.6.8
Controller Fan
......................................................................................................................................... 4- 20
Chapter 5 Original Exposure System
5.1 Construction ..................................................................................................................................................... 5- 1
5.1.1 Specifications, Controls, and Functions <iR7105/7095> .................................................................. 5- 1
5.1.2
Specifications, Controls, and Functions <iR7086>
............................................................................ 5- 2
5.1.3
Major Components <iR7105/7095>
...................................................................................................... 5- 2
5.1.4 Major Components <iR7086> ................................................................................................................ 5- 4
5.1.5 Construction of the Control System <iR7105/7095> .......................................................................... 5- 5
5.1.6 Construction of the Control System <iR7086> .................................................................................... 5- 6
5.2
Basic Sequence
.............................................................................................................................................. 5- 6
5.2.1
Basic Sequence of Operations <iR7105/7095>
.................................................................................. 5- 6
5.2.2
Basic Sequence of Operations <iR7086>
............................................................................................ 5- 6
5.2.3 Basic Sequence of Operation in Response to a Press on the Start Key <iR7105/7095> ........... 5- 7
5.2.4 Basic Sequence of Operation in Response to a Press on the Start Key <iR7086> ..................... 5- 7
5.3
Various Control
............................................................................................................................................... 5- 8
5.3.1
Controlling the Scanner Drive System
.................................................................................................. 5- 8
5.3.1.1
Overview
............................................................................................................................................ 5- 8
5.3.1.2 Controlling the Scanner Motor <iR7105/7095> ........................................................................... 5- 8
5.3.1.3 Controlling the Scanner Motor <iR7086> ..................................................................................... 5- 9