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TTP-243 Bar Code Printer
Service Manua
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3.14 Flash memory Replacement .................................................................................... 33
3.15 Cutter, DC Motor, Stepping Motor Driver IC Replacement ...................................... 34
4. MECHANISM.................................................................................................................... 35
4.1 Cutter Installation ....................................................................................................... 35
4.2 Print Head Replacement ............................................................................................ 36
4.3 DC Motor Replacement.............................................................................................. 38
4.4 Ribbon Rewind Spindle Encoder Replacement ......................................................... 39
4.5 Felt Fabric Replacement ............................................................................................ 40
4.6 Stepping Motor Replacement..................................................................................... 42
4.7 Black Mark Sensor / Gap Sensor (Receiver) Replacement ....................................... 43
4.8 Ribbon Sensor (Receiver) Replacement.................................................................... 44
4.9 Ribbon Sensor (Transmitter) / Gap Sensor (Transmitter) Replacement.................... 46
4.10 Platen Replacement................................................................................................. 47
4.11 Parts List .................................................................................................................. 50
5. TROUBLE SHOOTING..................................................................................................... 60
5.1 Error Messages.......................................................................................................... 60
5.2 Trouble Shooting........................................................................................................ 61
5.3 Calibrate the Gap Register......................................................................................... 62
5.4 Self-test ...................................................................................................................... 62
5.5 Ram Clear .................................................................................................................. 62
5.6 Diagnosis Operation Procedure ................................................................................. 62
5.7 Testing Sensors ......................................................................................................... 63
5.8 Cleaning the Print Head ............................................................................................. 65
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