Table of Contents
1. FUNDAMENTALS ABOUT THE SYSTEM .................................................................. 1
1.1 Features of the TTP-243 Series ................................................................................. 1
1.2 Model Naming Syntax ................................................................................................. 1
1.3 Overview .................................................................................................................... 2
1.3.1 Front View ........................................................................................................... 2
1.3.2 Rear View ........................................................................................................... 3
1.4 Basic Specifications .................................................................................................... 4
1.5 Effective Print Area ..................................................................................................... 6
1.6 Available Bar Codes ................................................................................................... 6
1.7 Various Sensors ......................................................................................................... 7
2. SUPPLY SPECIFICATIONS ............................................................................................. 9
2.1 Types of Paper ........................................................................................................... 9
2.2 Specifications ............................................................................................................. 9
2.3 Ribbon Sizes and Shapes ........................................................................................ 11
3. ELECTRONICS .............................................................................................................. 12
3.1 Circuit Description .................................................................................................... 12
3.2 MCU Pin Description ................................................................................................ 14
3.3 Reset Circuit ............................................................................................................. 16
3.4 Memory System........................................................................................................ 16
3.5 Sensor&Key ............................................................................................................. 17
3.6 Real-Time Clock Circuit ............................................................................................ 18
3.7 Decode Circuit .......................................................................................................... 19
3.8 Thermal Head Drive/ Protection and History Control Circuit ..................................... 21
3.9 24V/5V Converter Circuit .......................................................................................... 22
3.10 Stepping Motor And DC Motor Driver/ Protection Circuit ........................................ 23
3.11 Communication (Serial & Parallel Port) Circuit........................................................ 24
3.12 Cutter Drive Circuit ................................................................................................. 25
3.13 Cutter & Peel Translate Board ................................................................................ 25
3.14 Mainboard Replacement ......................................................................................... 26
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