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Table of Contents

1 Important Information ............................................................................................................................ 4

1.1 Instructions ............................................................................................................................................... 4

1.2 General Safety Instructions ...................................................................................................................... 4

1.3 Protective Devices ................................................................................................................................... 5

1.4 Handling Electricity .................................................................................................................................. 5

1.5 Procedure in Case of Accidents .............................................................................................................. 5

2 Preparation ............................................................................................................................................. 6

2.1 Tools ......................................................................................................................................................... 6

2.2 Removing and Installing the Rear Cover ................................................................................................. 6

3 Cleaning .................................................................................................................................................. 7

3.1 Cleaning by the Operator ......................................................................................................................... 7

3.2 Cleaning the Label Sensor ....................................................................................................................... 7

4 Replacing Assembly Units .................................................................................................................... 8

4.1 Replacing the Printhead ........................................................................................................................... 8

4.1.1 Replacing the Printhead XC4 ............................................................................................................. 8

4.1.2 Replacing the Printhead XC6 ........................................................................................................... 10

4.2 Replacing the Print Roller ...................................................................................................................... 12

4.3 Replacing the Slipping Clutches ............................................................................................................ 13

4.4 Replacing the Brake Block on the Roll Retainer .................................................................................... 15

4.5 Replacing the Label Sensor ................................................................................................................... 16

4.6 Replacing the CPU ................................................................................................................................. 17

4.7 Replacing the Power Supply Unit ........................................................................................................... 18

5 Adjustments ......................................................................................................................................... 19

5.1 Measuring and Adjusting the Winding Torques ...................................................................................... 19

5.1.1 Measuring the Winding Torques ....................................................................................................... 19

5.1.2 Adjusting the Slipping Clutches ........................................................................................................ 21

5.2 Adjusting the Printing Mechanism .......................................................................................................... 22

5.2.1 Preparing the Printer for Adjustment ................................................................................................ 22

5.2.2 Adjusting the Printhead Position....................................................................................................... 23

5.2.3 Adjusting the Printhead Pressure ..................................................................................................... 24

5.2.4 Adjusting the Transfer Ribbon Feed Path......................................................................................... 25

5.2.5 Final Test .......................................................................................................................................... 25

5.3 Adjusting the Label Feed Path ............................................................................................................... 26

5.4 Adjusting the Belt Tension ...................................................................................................................... 27

5.5 Adjusting the Head Switch ..................................................................................................................... 29

5.6 Adjusting the Magnetic Clutch ................................................................................................................ 30

5.7 Adjusting the Ribbon Saver Mechanics ................................................................................................. 31

6 Troubleshooting and Error Treatment ................................................................................................ 32

6.1 Failure of Device Functions .................................................................................................................... 32

6.2 Hardware Faults ..................................................................................................................................... 33

7 Block Diagram ...................................................................................................................................... 34

8 Layout Diagram CPU ........................................................................................................................... 35

9 Index ...................................................................................................................................................... 37