Canon IMAGERUNNER 7105, Service Manual

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