i
CONTENTS
CHAPTER I FEATURES AND SPECIFICATIONS
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I-1
1. FEATURES
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I-1
2. PRINTER OVERVIEW
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I-3
3. SPECIFICATIONS
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I-4
3.1 Printing
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I-4
3.2 Scanning
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I-4
3.3 Copying
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I-4
3.4 Functions
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I-5
3.5 Electrical and Mechanical
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I-5
3.6 Paper Loading
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I-6
3.7 Print Delivery
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I-6
3.8 Print Paper
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I-7
3.9 Printing Area
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I-8
3.10 Document Loading
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I-10
3.11 Document Delivery
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I-10
4. SAFETY INFORMATION
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I-11
4.1 Laser Safety (110 - 120V Model only)
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I-11
4.2 FDA Regulations (110 - 120V Model only)
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I-11
4.3 IEC 825 (220-240V model only)
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I-12
4.4 Additional Information
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I-13
4.5 Caution for Laser Product (Warnhinweis für Laserdrucker)
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I-13
CHAPTER II
THEORY OF OPERATION
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II-1
1. ELECTRONICS
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II-1
1.1
General Block Diagram
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II-1
1.2
Main PCB Block Diagram
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II-2
1.3
Main PCB
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II-3
1.3.1
CPU Core
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II-3
1.3.2
ASIC
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II-3
1.3.3
ROM
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II-6
1.3.4
DRAM
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II-6
1.3.5
EEPROM
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II-7
1.3.6
Reset Circuit
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II-7
1.3.7
CDCC I/O
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II-7
1.3.8
Engine I/O
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II-8
1.3.9
Paper Feed Motor Drive Circuit
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II-9
1.3.10
Document Scanner Circuit
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II-10
1.3.11
Scanner Panel I/F
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II-10
1.3.12
Scanner Motor Drive Circuit
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II-11
1.3.13
CIS Drive Circuit
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II-11
1.4
Panel Sensor PCB
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II-11