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TTP-225/TTP-323

Bar Code Printer Service Manual

TABLE OF CONTENT

1. OVERVIEW ................................................................................................................ 1

1.1 Front View ............................................................................................................... 1

1.2 Interior View ............................................................................................................ 2

1.3 Rear View ................................................................................................................. 3

2. ELECTRONICS .......................................................................................................... 5

2.1 Summary of Board Connectors ............................................................................. 5

2.2 Pin Configuration .................................................................................................. 10

3. MECHANISM ........................................................................................................... 12

3.1 Replacing Feed Button PCB/ Feed Button PCB with LCD Module (Factory

option) ......................................................................................................................... 12

3.2 Replacing the Main Board and RS-232/ Ethernet (Option) interface board ..... 14

3.3 Replacing the Platen Roller Assembly ................................................................ 17

3.4 Replacing the Print Head Assembly .................................................................... 19

3.5 Replacing the Stepping Motor ............................................................................. 20

3.7Peel-off Module Installation (Option) ................................................................... 21

3.8Cutter Module Installation (Option) ...................................................................... 23

4. TROUBLESHOOTING ............................................................................................. 25

4.1 LED Status ............................................................................................................. 25

4.2 Print Quality .......................................................................................................... 26

4.3 LCD display (Factory option) ............................................................................... 28

5. MAINTENANCE ....................................................................................................... 29

UPDATE HISTORY ...................................................................................................... 31

TSC TTP-225 Series Service Manual

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