TSC TTP 243 Plus

ii
TTP-243 Plus/ 243E Plus/
342 Plus Bar Code Printer
3.15 Cutter, DC Motor, Stepping Motor Driver IC Replacement ...................................... 30
4. MECHANISM .................................................................................................................. 31
4.1 Cutter Installation ..................................................................................................... 31
4.2 Print Head Replacement .......................................................................................... 32
4.3 DC Motor Replacement ............................................................................................ 34
4.4 Ribbon Rewind Spindle Encoder Replacement ........................................................ 34
4.5 Felt Fabric Replacement .......................................................................................... 36
4.6 Stepping Motor Replacement ................................................................................... 38
4.7 Black Mark Sensor / Gap Sensor (Receiver) Replacement ...................................... 39
4.8 Ribbon Sensor (Receiver) Replacement ................................................................... 39
4.9 Ribbon Sensor (Transmitter) / Gap Sensor (Transmitter) Replacement ................... 42
4.10 Platen Replacement ............................................................................................... 43
5. TROUBLE SHOOTING ................................................................................................... 46
5.1 Error Messages ........................................................................................................ 46
5.2 Trouble Shooting ...................................................................................................... 47
5.3 Calibrate the Gap Register ....................................................................................... 48
5.4 Self-test .................................................................................................................... 48
5.5 Ram Clear ................................................................................................................ 48
5.6 Diagnosis Operation Procedure ................................................................................ 48
5.7 Testing Sensors ....................................................................................................... 49
5.8 Cleaning the Print Head ........................................................................................... 51