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TTP-244M Pro/244ME Pro

TTP-342M Pro/342ME Pro

Bar Code Printer Service Manual

TABLE OF CONTENT

1. FUNDAMENTAL OF THE SYSTEM ........................................................................... 3

1.1. Features of TTP-244M Pro/TTP-244ME Pro/TTP-342M Pro/342ME Pro ............. 3

1.2 Model Naming Rules ...................................................................................... 3

1.3 Overview ......................................................................................................... 4

1.4 Basic Specifications ....................................................................................... 7

1.4-2 Electronics/Communication Specifications ................................................ 8

1.5 Available Bar Codes ...................................................................................... 9

1.6 Various Sensors and Switches ................................................................... 10

2. SUPPLY SPECIFICATIONS ..................................................................................... 12

2.1 Types of Paper .............................................................................................. 12

2.2 Paper Specifications .................................................................................... 12

2.3 Ribbon Sizes and Shapes ........................................................................... 13

3. ELECTRONICS ........................................................................................................ 15

3.1 Summary of Board Connectors .................................................................. 15

3.2 Interface Pin Configuration ......................................................................... 18

3.3 Replacement of Main Board ........................................................................ 20

3.4 Print Density Selection ................................................................................ 22

3.5 Replacement of the LCD Display ................................................................ 23

3.6 Replacement of the Keypad Board ............................................................. 24

4. MECHANISM............................................................................................................ 25

4.1 Cutter Installation (Option) .......................................................................... 25

4.2 The peel-off module sensor installation (Option) ...................................... 28

4.3 Replacement of Printhead ........................................................................... 30

4.3-1 Replacement of Printhead (For ROHM) ...................................................... 30

4.3-2 Replacement of Printhead (For KYOCERA ) .............................................. 31

4.4 DC Motor Replacement ................................................................................ 33

4.5 Replacement of Stepping Motor ................................................................. 35

4.6 Installation of Black Mark Sensor ............................................................... 37

4.7 Replacement of Ribbon Sensor (Receiver) ................................................ 39

4.8 Replacement of Ribbon Sensor / Gap Sensor (Transmitter) .................... 41

4.9 Platen Replacement ..................................................................................... 42

4.10 Replacement of the power supply .............................................................. 44

TSC TTP-244M Pro Service Manual

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