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BK-T6112 Service Manual
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Contents
1 Printer Characteristics ...............................................................................................................................1
1.1 Brief introduction ................................................................................................................................1
1.2 Function .............................................................................................................................................1
1.3 Technical specification .......................................................................................................................3
1.4 Button & LED......................................................................................................................................4
1.4.1 Button..........................................................................................................................................4
1.4.2 LED .............................................................................................................................................4
1.5 Interface parameters ..........................................................................................................................5
1.5.1 USB interface ..............................................................................................................................5
1.5.2 Serial interface ............................................................................................................................6
2 Printer Overview and Modules ..................................................................................................................8
2.1 Printer overview..................................................................................................................................8
2.2 Main control board unit block diagram................................................................................................9
3 Disassembly and Assembly.....................................................................................................................10
3.1 Disassemble the printer....................................................................................................................10
3.1.1 Disassemble the control board module .....................................................................................10
3.1.2 Disassemble the paper guide’s cover module ...........................................................................11
3.1.3 Disassemble the print motor module.........................................................................................12
3.1.4 Disassemble the LED paper out path module ...........................................................................13
3.1.5 Disassemble the Presenter module ..........................................................................................13
3.1.6 Disassemble the top cover module ...........................................................................................14
3.1.7 Disassemble the platen roller holder module ............................................................................15
3.2 Printer assembly...............................................................................................................................15
4 Replacement and Maintenance of Critical Parts......................................................................................16
4.1 Print head maintenance and replacement........................................................................................16
4.1.1 Print head maintenance ............................................................................................................16
4.1.2 Print head replacement .............................................................................................................17