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Table of Contents
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GENERAL SPECIFICATION ........................................................................................................................................ 4
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DESCRIPTION OF THE MECHANISM ...................................................................................................................... 5
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MAIN FEATURES ........................................................................................................................................................... 5
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1. CONNECTIONS .......................................................................................................................................................... 6
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1.1 Thermal print head.................................................................................................................................................... 7
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1.1.1 Thermal head connectors pin assignments......................................................................................................... 7
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1.1.2 Thermal head block diagram.............................................................................................................................. 7
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1.2 Paper Feed Motor Connector .................................................................................................................................... 8
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1.2.1 Paper feed motor connector’s pin assignments .................................................................................................. 8
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1.2.2 Paper feed motor block diagram ........................................................................................................................ 8
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1.3 Paper end Sensor Connector ..................................................................................................................................... 9
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1.3.1 Paper end sensor connector’s pin assignments .................................................................................................. 9
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1.3.2 Paper end sensor block diagram ........................................................................................................................ 9
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2. PRINT HEAD ............................................................................................................................................................. 10
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2.1 Outlines................................................................................................................................................................... 10
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2.2 Maximum Conditions at 25
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2.3 Typical Printing Conditions at 25
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2.4 Ambient Conditions ................................................................................................................................................ 11
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2.5 Print Quality (at standard Conditions and operation temperature is higher or equal 5
) ...................................... 11
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2.6 Printhead Life on Standard Printing Conditions ..................................................................................................... 11
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2.7 Operation Precautions............................................................................................................................................. 12
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2.8 ................................................................................................................................................................................. 14
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2.8.1 Circuit Diagram ............................................................................................................................................... 14
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2.8.2 Electrical characteristics of Circuit .................................................................................................................. 15
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2.8.3 Timing chart..................................................................................................................................................... 16
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2.8.4 THERMISTOR SPECIFICATION .................................................................................................................. 17
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3. PAPER FEED MOTOR ............................................................................................................................................. 18
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3.1 Ratings .................................................................................................................................................................... 18
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3.2 Electrical characteristics ......................................................................................................................................... 18
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3.3 Mechanical properties............................................................................................................................................. 19
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3.4 Excitation ( 2 phase, Full step ) .............................................................................................................................. 19
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3.5 Environmental properties........................................................................................................................................ 19
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4. PAPER END SENSOR............................................................................................................................................... 20
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