TABLE OF CONTENT
1. FoundamentalsAbout the System..............................................................................1
Printer Overview......................................................................................................1
Front View........................................................................................................1
Rear View ........................................................................................................1
1.2 Pinter Specification............................................................................................2
1.3 Available Bar Codes..........................................................................................4
1.4 Text Specification ..............................................................................................5
Specification of Fonts.......................................................................................5
File Head of Font ( Fixed 32bytes )..................................................................6
VF1~4..............................................................................................................6
BF3~4 VF3~4...................................................................................................7
2. Supply Specifications .................................................................................................8
2.1 Types of Paper..................................................................................................8
2.2 Specification......................................................................................................8
2.3 Ribbon Specification..........................................................................................9
3. Circuit Description.................................................................................................10
3.1 MCU10
3.2 MCU PIN Description......................................................................................12
3.3 Reset Circuit....................................................................................................21
3.4 Memory System..............................................................................................22
3.5 Decoder Circuits..............................................................................................23
3.6 Memory Address Map .....................................................................................23
3.7 Firmware Address Map ...................................................................................26
3.8 Power Down Sensor...............................................................................27
3.9 Print Head.......................................................................................................28
3.10 Motor System Circuit.....................................................................................29
3.11 Sensor Circuits..............................................................................................30
3.12 Serial Port Circuit..........................................................................................33
3.13 Parallel Port Circuit .......................................................................................34
3.14 Cutter Drive System......................................................................................35
3.15 PIN Switch Circuits........................................................................................36
3.16 Connector Circuits.........................................................................................36
3.17 Optional Items Circuits..................................................................................39
4. Machanism............................................................................................................40
4.1 Remove the Covers and LCD Panel ...............................................................40
