Alpha Vision Tech - Alpha-3R

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Contents

I Contents 1 FUNDAMENTAL OF THE SYSTEM 2 1 1 Overview 2 2 ELECTRONICS 3 2 1 Summary of Board Connectors 3 3 MECHANISM 7 3 1 Replacing the Platen Roller Including media cover 7 3 2 Replacing the Keys Control Board 9 3 3 Replacing the Bluetooth Module Option 10 3 4 Replacing the Media Holder Assembly 11 3 5 Replacing the Main Board Assembly 13 3 6 Replacing the Print Head Assembly 14 3 7 Replacing the Stepping Motor 15 3 8 Replacing the black mark sensor assembly 16 3 9 Replacing the WiFi Module Option 17 4 TROUBLESHOOTING 18 4 1 Common Problems 18 5 Maintenance 20 Revise History 21 ii 1 FUNDAMENTAL OF THE SYSTEM 1 1 Overview Front View 1 LED indicator 2 Feed button 3 Power on off butt ...