3
1 Introduction ............................................................................................................................................ 4
1.1 Instructions ............................................................................................................................................... 4
1.2 General Safety Instructions ...................................................................................................................... 5
1.3 Protective Devices ................................................................................................................................... 5
1.4 Handling Electricity .................................................................................................................................. 6
1.5 Procedure in Case of Accidents .............................................................................................................. 6
2 Replacing Assembly Units .................................................................................................................... 7
2.1 Tools ......................................................................................................................................................... 7
2.2 Replacing the Printhead ........................................................................................................................... 7
2.3 Replacing the Print Roller and the Rewind Assist Roller .......................................................................... 9
2.4 Replacing the Slipping Clutches ............................................................................................................ 10
2.5 Replacing the Label Sensor ................................................................................................................... 12
2.6 Replacing the PCB CPU ........................................................................................................................ 13
2.7 Replacing the Power Supply Unit ........................................................................................................... 14
2.8 Installing the PCB I/O Interface .............................................................................................................. 15
3 Adjustments ......................................................................................................................................... 16
3.1 Measuring and Adjusting the Winding Torques ...................................................................................... 16
3.1.1 Measuring the Winding Torques .......................................................................................................16
3.1.2 Adjusting the Winding Torques .........................................................................................................19
3.2 Adjusting the Printing Mechanism .......................................................................................................... 20
3.2.1 Preparing the Printer for Adjustment ................................................................................................ 20
3.2.2 Adjusting the Printhead Position....................................................................................................... 21
3.2.3 Adjusting the Printhead Pressure ..................................................................................................... 22
3.2.4 Adjusting the Transfer Ribbon Feed Path......................................................................................... 23
3.2.5 Final Test .......................................................................................................................................... 23
3.3 Adjusting the Belt Tension at the Main Drive Motor ...............................................................................24
4 Troubleshooting and Error Treatment ................................................................................................ 25
4.1 Failure of Device Functions .................................................................................................................... 25
4.2 Permanent Hardware Faults .................................................................................................................. 25
5 Block Diagram ...................................................................................................................................... 26
6 Layout Diagram PCB CPU ................................................................................................................... 27
7 Index ...................................................................................................................................................... 28
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