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 ........................................................................................................................ 8
2.4 Removing the Casing ............................................................................................................................... 9
2.5 Replacing the Control Panel .................................................................................................................. 10
2.6 Replacing the Transport Module .............................................................................................................11
2.7 Replacing the Stepper Motor ................................................................................................................. 12
2.8 Replacing the Printhead Holder ............................................................................................................. 13
2.9 Replacing the PCB CPU ........................................................................................................................ 14
2.10 Replacing the Power Supply Unit ........................................................................................................... 15
2.11 Checking the Braking Force at the Ribbon Supply Hub ......................................................................... 16
3 Troubleshooting and Error Treatment ................................................................................................ 17
3.1 Failure of Device Functions .................................................................................................................... 17
3.2 Permanent Hardware Faults .................................................................................................................. 17
4 Block Diagram ...................................................................................................................................... 18
5 Layout Diagram PCB CPU ................................................................................................................... 19
6 Index ...................................................................................................................................................... 20
Inhaltsverzeichnis