1.
1.1
Overview ------------------------------------------------------------------------------------------------------1-1
1.1.1 Front View -------------------------------------------------------------------------------------------1-1
1.1.2 Rear View -------------------------------------------------------------------------------------------1-1
1.1.3 Interior View-----------------------------------------------------------------------------------------1-2
1.2
1.3
Specifications ------------------------------------------------------------------------------------------------1-3
1.3.1 Printer---------------------------------------------------------------------------------------------------1-3
1.4
Supply Specifications --------------------------------------------------------------------------------------1-4
1.4.1 Media -------------------------------------------------------------------------------------------------1-4
2.
ELECTRONICS -----------------------------------------------------------------------------------------------------2-1
2.1
Circuit Description-------------------------------------------------------------------------------------------2-1
2.2
2.3
Reset Circuit --------------------------------------------------------------------------------------------------2-9
2.4
Memory Circuit--------------------------------------------------------------------------------------------- 2-10
2.5
Decoder Circuit -------------------------------------------------------------------------------------------- 2-11
2.6
Memory Map ----------------------------------------------------------------------------------------------- 2-12
2.7
Print Head Circuit ----------------------------------------------------------------------------------------- 2-13
2.8
2.9
Power Circuit ----------------------------------------------------------------------------------------------- 2-16
2.12 USB Circuit ------------------------------------------------------------------------------------------------- 2-20
2.13 Sensor Circuit ---------------------------------------------------------------------------------------------- 2-23
2.13.3 Strip Sensor--------------------------------------------------------------------------------------- 2-25
2.13.4 Ribbon Sensor ----------------------------------------------------------------------------------- 2-26
3.
3.1
3.2
3.3
3.4
3.5
3.6
TABLE OF CONTENTS
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