TABLE OF CONTENT
1. OVERVIEW................................................................................................................1
1.1 Front View ...............................................................................................................1
1.2 Interior View ............................................................................................................2
1.3 Rear View.................................................................................................................1
2. ELECTRONICS..........................................................................................................3
2.1 Summary of Board Connectors.............................................................................3
2.2 Pin Configuration....................................................................................................7
3. MECHANISM.............................................................................................................9
3.1 Replacing the Print Engine Mechanism................................................................9
3.2 Replacing the Main Board....................................................................................12
3.3 Replacing the Gap Sensor Module......................................................................13
3.4 Replacing the Black-mark Sensor Module .........................................................14
3.5 Replacing the Stepping Motor.............................................................................15
3.6 Replacing the Platen Roller Assembly................................................................16
3.7 Replacing the Print Head Module........................................................................18
3.8 Replacing the Key Module (LCD Module/Option) ..............................................20
3.9 Replacing the DC Motor Module..........................................................................21
3.10 Peel-off Module Installation (Option) ................................................................22
3.11 Cutter Module Installation (Option)...................................................................24
4. TROUBLESHOOTING.............................................................................................26
4.1 LED Status.............................................................................................................26
4.2 Print Quality ..........................................................................................................27
5. MAINTENANCE.......................................................................................................30
UPDATE HISTORY......................................................................................................32
