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