Table Of Contents - Brother P-touch QL-1050 Service Manual

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-1
1.1.4 Printing Mechanism ........................................................................................... I-2
1.1.5 Thermal Tape..................................................................................................... I-2
1.1.6 Cutter ................................................................................................................. I-3
1.1.7 PC Interface ....................................................................................................... I-3
1.2 ELECTRONICS SPECIFICATIONS ......................................................................... I-3
1.2.1 Power Supply..................................................................................................... I-3
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 ........................................................................................................... II-6
2.2.2 Media Position Detect Sensor PCB (Tape Sensor)........................................... II-6
2.2.3 Key, LED PCB (SB PCB)................................................................................... II-7
2.2.4 Cutter Home Position Sensor ............................................................................ II-7
2.2.5 Media Feed Motor (Tape Feed Motor) .............................................................. II-7
2.2.6 Full Cutter Motor ................................................................................................ II-7
2.2.7 Thermal Head .................................................................................................... II-7
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