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TABLE OF CONTENT
1. FUNDAMENTAL OF THE SYSTEM ..........................................................................1
1.1. Overview.................................................................................................................1
2. ELECTRONICS..........................................................................................................5
2.1 Summary of Board Connectors.............................................................................5
2.2 Pin Configuration....................................................................................................9
3. MECHANISM........................................................................................................... 11
3.1 Remove the Electronics Cover ............................................................................11
3.2 Remove the Right Side Cover..............................................................................12
3.3 Replacing the Key/LCD Panel Module ................................................................13
3.4 Replacing the Main Board....................................................................................14
3.5 Replacing the Power Supply Unit........................................................................16
3.6 Replacing the Stepping Motor.............................................................................17
3.7 Replacing the Platen Roller Assembly................................................................18
3.8 Replacing the Print head ASS'Y ..........................................................................20
3.9 Replacing the Media Sensor Module...................................................................22
3.10 Replacing the Ribbon End Sensor Module.......................................................23
3.11 Replacing the Ribbon Encoder Sensor Module ...............................................24
3.12 Centronics Parallel Interface Board Installation (Option) ...............................26
3.13 Cutter Module Installation (Option)...................................................................28
3.14 Peel-off Module Installation (Option) ................................................................30
3.15 Print Engine Module Specification (Option).....................................................32
4. TROUBLESHOOTING............................................................................................. 34
4.1 Common Problems...............................................................................................34
4.2 Print Head Pressure Adjustment Knob...............................................................38
4.3 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles ...................................39
4.4 Z-axis Mechanism Adjustment Knob ..................................................................41
5. MAINTENANCE.......................................................................................................43
UPDATE HISTORY......................................................................................................45