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TABLE OF CONTENT
1. FUNDAMENTAL OF THE SYSTEM .......................................................................... 3
1.1. Overview ............................................................................................................................................... 3
2. ELECTRONICS .......................................................................................................... 7
2.1 Summary of Board Connectors ............................................................................................................. 7
2.2 Pin Configuration ................................................................................................................................. 12
3. MECHANISM ........................................................................................................... 14
3.1 Remove Covers ................................................................................................................................... 14
3.2 Replacing the LCD Panel Module ....................................................................................................... 16
3.3 Replacing the Power Supply Unit ........................................................................................................ 18
3.4 Replacing Multi-interface Board .......................................................................................................... 19
3.5 Replacing the Main Board ................................................................................................................... 20
3.6 Replacing the Platen Roller Assembly ................................................................................................ 21
3.7 Replacing the Stepping Motor ............................................................................................................. 22
3.8 Replacing the Print head ASS'Y .......................................................................................................... 23
3.9 Replacing the Gap and Black-mark Sensor Module ........................................................................... 25
3.10 Replacing the DC Motor Module ....................................................................................................... 26
3.11 Cutter Module Installation (Option) .................................................................................................... 27
3.12 Replacing the Cutter Driver IC Board (Option) .................................................................................. 29
3.13 Peel-off kit Installation ........................................................................................................................ 30
3.14 Slot-in Wifi Housing Installation (Option) ........................................................................................... 40
4. TROUBLESHOOTING ............................................................................................. 41
4.1 Common Problems .............................................................................................................................. 41
4.2 Print Head Pressure Adjustment Knob ................................................................................................ 45
4.3 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles ...................................................................... 46
4.4 Z-axis Mechanism Adjustment Knob ................................................................................................... 48
5. MAINTENANCE ....................................................................................................... 50
UPDATE HISTORY ...................................................................................................... 52