iii Confidential
TABLE OF CONTENTS
CHAPTER 1 PARTS NAMES & FUNCTIONS
1.1 EQUIPMENT OUTLINE.............................................................................................1-1
1.2 CONTROL PANEL ....................................................................................................1-2
1.3 COMPONENTS ......................................................................................................... 1-4
CHAPTER 2 SPECIFICATIONS
2.1 GENERAL.................................................................................................................. 2-1
2.1.1 General Specifications .........................................................................................2-1
2.1.2 Paper Specifications.............................................................................................2-2
2.1.3 Printable Area ................................................................................................................2-3
2.2 SPECIFICATIONS LIST ............................................................................................2-4
CHAPTER 3 THEORY OF OPERATION
3.1 OVERVIEW................................................................................................................3-1
3.2 PRINTER SECTION ..................................................................................................3-2
3.2.1 Print System and Transfer System ......................................................................3-7
[ 1 ] Structure of the machine ......................................................................................3-8
[ 2 ] Basic structure of the printing system ..................................................................3-9
[ 3 ] Details of each process...................................................................................... 3-11
3.2.2 Laser ASSY PU..................................................................................................3-21
3.2.3 Paper Transportation System.............................................................................3-22
3.2.4 Fusing Unit .........................................................................................................3-23
3.3 STRUCTURE OF THE CONTROL SYSTEM..........................................................3-25
3.3.1 Basic Structure ...................................................................................................3-25
[ 1 ] Electrical system and function............................................................................3-25
3.3.2 Control System ...................................................................................................3-32
[ 1 ] Control of the print process ................................................................................3-32
3.3.3 Main PCB (Video Controller PCB)...................................................................... 3-41
[ 1 ] Outline ................................................................................................................3-41
[ 2 ] Circuit .................................................................................................................3-41
3.4 SCANNER MECHANISM ........................................................................................3-45
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