TABLE OF CONTENT
1. FUNDAMENTAL OF THE SYSTEM .......................................................................... 1
1.1. Overview ................................................................................................................. 1
2. ELECTRONICS .......................................................................................................... 5
2.1 Summary of Board Connectors ............................................................................. 5
2.2 Pin Configuration .................................................................................................... 8
3. MECHANISM ........................................................................................................... 11
3.1 Remove Covers ..................................................................................................... 11
3.2 Replacing the LCD Panel Module ........................................................................ 13
3.3 Replacing the Power Supply Unit ........................................................................ 14
3.4 Replacing Multi-interface Board .......................................................................... 15
3.5 Replacing the Main Board .................................................................................... 16
3.6 Replacing the Platen Roller Assembly ................................................................ 17
3.7 Replacing the Stepping Motor ............................................................................. 18
3.8 Replacing the Printhead ASS'Y ........................................................................... 19
3.9 Replacing the Gap and Black-mark Sensor Module .......................................... 21
3.10 Replacing the DC Motor ..................................................................................... 23
4. TROUBLESHOOTING ............................................................................................. 25
4.1 Common Problems ............................................................................................... 25
5. MAINTENANCE ....................................................................................................... 29
UPDATE HISTORY ...................................................................................................... 31
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