| 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 | |
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