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
Table of Contents