CHAPTER
III
.
THEORY OF OPERATION
CONTENTS
1.
OVERVIEW
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2.
MECHANISMS
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2.1
Scanner Mechanism
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2.1.1
Document feeding and ejecting mechanism
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2.1.2
Scanner
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2.2
Laser Printing Mechanism
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2.2.1
Paper pick-up and registration mechanism
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2.2.2
Print process mechanism
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(1)
Charging process
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(2)
Exposing process
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(3)
Developing process
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(4)
Transferring process
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2.2.3
Heat-fixing mechanism
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2.2.4
Paper ejecting mechanism
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2.3
Sensors and Actuators
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3.
CONTROL ELECTRONICS
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3.1
Configuration
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3.2
Main PCB
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3.3
Engine PCB
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3.4
NCU PCB
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3.5
Control Panel PCB
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3.6
Power Supply PCB
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[ 1 ]
Low-voltage power supply PCB
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[ 2 ]
High-voltage power supply PCB
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