Table Of Contents - Brother TD-2020 Service Manual

CHAPTER I SPECIFICATIONS
1.1 MECHANICAL SPECIFICATIONS........................................................................................I-1
1.1.1 External Appearance ...........................................................................................................I-1
1.1.2 Operational Panel ................................................................................................................I-2
1.1.3 Printing Mechanism.............................................................................................................I-2
1.1.4 Media Specification.............................................................................................................I-2
1.1.5 Cutter ...................................................................................................................................I-2
1.1.6 Interface...............................................................................................................................I-3
1.1.7 Supported OS.......................................................................................................................I-3
1.2 ELECTRONICS SPECIFICATIONS .......................................................................................I-4
1.2.1 Power Supply (Optional).....................................................................................................I-4
1.2.2 Main PCB ............................................................................................................................I-4
CHAPTER II THEORY OF OPERATION
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 Cover Open Sensor............................................................................................................ II-4
2.1.5 Lock and Release of Adjuster Rack .................................................................................. II-5
CHAPTER III DISASSEMBLY AND REASSEMBLY
3.1 SAFETY PRECAUTIONS..................................................................................................... III-1
3.2 TIGHTNING TORQUE LISTS ............................................................................................. III-1
3.3 LUBRICATION POINTS LIST............................................................................................. III-2
3.4 DISASSEMBLY PROCEDURE............................................................................................ III-3
[ 1 ] Preparation..................................................................................................................... III-3
[ 2 ] Removing the Bottom Cover B, Front Cover, and Bottom Cover A ............................ III-4
[ 3 ] Removing the Main PCB ASSY ................................................................................... III-7
[ 4 ] Removing the PCB Holder............................................................................................ III-8
[ 5 ] Removing the Roll Cover ASSY................................................................................. III-10
[ 6 ] Removing the Roll Sponge L/R .................................................................................. III-11
[ 7 ] Removing the Roll Cover Outer A.............................................................................. III-12
[ 8 ] Removing the Roll Cover Front, Roll Cover Clear, and Roll Cover Outer B............. III-13
[ 9 ] Removing the Tear Bar and Release Lever ASSY...................................................... III-15
[ 10 ] Removing the Head Holder B and Head Spring ......................................................... III-16
[ 11 ] Removing the Sensor Holder B, T Sensor PCB ASSY, and Sensor Cover C............. III-17
[ 12 ] Removing the Head ASSY.......................................................................................... III-18
[ 13 ] Removing the Upper Cover......................................................................................... III-19
[ 14 ] Removing the Cover Open Sensor and Movable Sensor PCB ASSY ........................ III-20
[ 15 ] Disassembling the Movable Sensor PCB ASSY......................................................... III-21
[ 16 ] Removing the Adjuster Gear and Adjuster Rack L/R ................................................. III-22
[ 17 ] Disassembling the Mecha ASSY ................................................................................ III-24
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