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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