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CONTENTS
CHAPTER I SPECIFICATIONS .......................................................................... I-1
1.1 MECHANICAL SPECIFICATIONS ........................................................................... I-1
1.1.1 External Appearance ......................................................................................... I-1
1.1.2 Keyboard............................................................................................................ I-1
1.1.3 Display ............................................................................................................... I-2
1.1.4 Printing Mechanism ........................................................................................... I-2
1.1.5 Thermal Tape..................................................................................................... I-3
1.1.6 Cutter ................................................................................................................. I-4
1.1.7 PC Interface ....................................................................................................... I-4
1.2 ELECTRONICS SPECIFICATIONS ......................................................................... I-4
1.2.1 Character Generator.......................................................................................... I-4
1.2.2 Power Supply..................................................................................................... I-4
CHAPTER II THEORY OF OPERATION............................................................ II-1
2.1 OUTLINE OF MECHANISMS ................................................................................... II-1
2.1.1 Print Mechanism ................................................................................................ II-1
2.1.2 Press Contact and Release Mechanism of Thermal Head ............................... II-2
2.1.3 Tape Feed Mechanism ...................................................................................... II-3
2.1.4 Automatic Tape Full Cutter Mechanism ............................................................ II-4
2.1.5 Cover Open (Cover Lock) Sensor ..................................................................... II-5
2.2 OUTLINE OF CONTROL ELECTRONICS ............................................................... II-6
2.2.1 Main PCB ASSY ................................................................................................ II-6
2.2.2 Media Type Detect Switch PCB (Media PCB ASSY) ........................................ II-6
2.2.3 Media Position Detect Sensor PCB (Tape Sensor PCB ASSY)........................ II-6
2.2.4 Key, LED PCB (SB PCB ASSY) ........................................................................ II-7
2.2.5 Cutter Sensor (Cutter Home Position Detect Sensor)....................................... II-7
2.2.6 Media Feed Motor (Tape Feed Motor ASSY).................................................... II-7
2.2.7 Full Cutter Motor (Cutter Motor ASSY) .............................................................. II-7
2.2.8 Thermal Head .................................................................................................... II-7
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