TE TE3112 Service Manual - page 3
2
3
Table of Contents
1
Important Information ............................................................................................................................ 4
1.1
General Safety Instructions ...................................................................................................................... 4
1.2
Protective Devices ................................................................................................................................... 4
1.3
Handling Electricity .................................................................................................................................. 5
1.4
Procedure in Case of Accidents .............................................................................................................. 5
2 Cleaning .................................................................................................................................................. 6
2.1
Cleaning by the Operator ......................................................................................................................... 6
2.2
Cleaning the Label Sensor ...................................................................................................................... 7
3
Replacing Assembly Units .................................................................................................................... 8
3.1 Tools ......................................................................................................................................................... 8
3.2
Removing and Installing the Plastic Cover ............................................................................................... 8
3.3
Replacing the Printhead ........................................................................................................................... 9
3.4 Replacing the Printhead .......................................................................................................................... 9
3.5
Replacing the Slipping Clutches .............................................................................................................11
3.6
Replacing the Label Sensor ................................................................................................................... 13
3.6.1
Replacing Standard Label Sensor .................................................................................................... 13
3.6.2
Replacing Label Sensor ................................................................................................................... 14
3.7
Replacing the PCB CPU ........................................................................................................................ 15
3.8
Replacing the Power Supply Unit ........................................................................................................... 16
4 Adjustments ......................................................................................................................................... 17
4.1
Measuring and Adjusting the Winding Torques ...................................................................................... 17
4.1.1
Measuring the Winding Torques ....................................................................................................... 17
4.1.2
Adjusting the Winding Torques ......................................................................................................... 20
4.2
Adjusting the Printing Mechanism .......................................................................................................... 21
4.2.1
Preparing the Printer for Adjustment ................................................................................................ 21
4.2.2
Adjusting the Printhead Position....................................................................................................... 22
4.2.3
Adjusting the Printhead Pressure ..................................................................................................... 23
4.2.4
Adjusting the Transfer Ribbon Feed Path......................................................................................... 24
4.2.5
Final Test .......................................................................................................................................... 24
4.3
Adjusting the Belt Tension at the Main Drive Motor ............................................................................... 25
Adjusting the Head Switch ..................................................................................................................... 26
5
Troubleshooting and Error Correction ............................................................................................... 27
5.1
Failure of Device Functions .................................................................................................................... 27
5.2
Hardware Faults .....................................................................................................................................
28
Block Diagram ...................................................................................................................................... 29
7
Layout Diagram PCB CPU ............................................................................................................. 30, 31
8 Index ...................................................................................................................................................... 32