CONTENTS
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-2
1.1.7 PC Interface .......................................................................................................................I-2
CHAPTER II THEORY OF OPERATION
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
2.1.6 Lock and Release of Roll Guide ...................................................................................... II-6
2.2.1 Main PCB......................................................................................................................... II-7
2.2.2 Media Position Detect Sensor PCB (Tape Sensor).......................................................... II-7
2.2.3 Button, LED PCB (SB PCB) ........................................................................................... II-8
2.2.4 Cutter Home Position Sensor........................................................................................... II-8
2.2.5 Media Feed Motor (Tape Feed Motor) ............................................................................ II-8
2.2.6 Full Cutter Motor ............................................................................................................. II-8
2.2.7 Thermal Head................................................................................................................... II-8
2.3.1 Logic Components ......................................................................................................... II-11
2.3.2 Key, LED Circuit ........................................................................................................... II-12
2.3.3 Head and Motor Power Supply ON/OFF Circuit .......................................................... II-13
2.3.4 Full Cutter Motor Driver Circuit and Media Feed Motor Driver Circuit ...................... II-14
2.3.5 Media Position Detect Sensor Circuit and Cover Open Sensor Circuit......................... II-15
2.3.6 Head Temperature Detect Circuit .................................................................................. II-16
2.3.7 Cutter Home Position Sensor Circuit............................................................................. II-16
2.3.8 Reset Circuit................................................................................................................... II-16
2.3.9 USB Interface Circuit .................................................................................................... II-17
2.3.10 RS232C Interface Circuit............................................................................................... II-17
2.3.11 LAN Interface Circuit (TD-4100N only)....................................................................... II-18
Summary of Contents for TD-4000
Page 1: ...SERVICE MANUAL MODEL TD 4000 TD 4100N ...
Page 139: ...Dec 2009 SM PT031 1 ...