■CONNECTOR PIN ASSIGNMENT FOR PRINTER MECHANISM
1. Thermal Head
Head side 1 :
2:
Board side 1:
2:
Connector Thermal Head 1 | Connector Thermal Head 2 |
No. | Signal | Comment |
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1 | STB5 | Print enable signal 5 |
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2 | STB6 | Print enable signal 6 |
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3 | STB7 | Print enable signal 7 |
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4 | STB8 | Print enable signal 8 |
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5 | CLK | Data transmission clock |
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6 | LAT | Print data latching signal |
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7 | DIN | Print data output signal |
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8 | GND | Head ground |
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9 | GND | Head ground |
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10 | VH | Power for head |
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11 | VH | Power for head |
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No. | Signal | Comment |
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1 | VH | Power for head |
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2 | VH | Power for head |
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3 | GND | Head ground |
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4 | GND | Head ground |
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5 | TH*1 | Temperature detection |
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6 | STB1 | Print enable signal 1 |
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7 | STB2 | Print enable signal 2 |
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8 | STB3 | Print enable signal 3 |
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9 | STB4 | Print enable signal 4 |
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10 | VDD | Power for logic |
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*1: Symbol: " " means a negative logic signal
Thermal head heat sink | |
Motor |
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1, 2, 3, ...............9, 10 | 1, 2, 3, ...............10, 11 |
Connector Pin No.
Head up level
No. | Signal | Comment | ||||
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1 |
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| B | Stepping motor coil excitation | ||
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2 |
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| B | Stepping motor coil excitation | ||
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3 |
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| A | Stepping motor coil excitation | ||
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4 |
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| A | Stepping motor coil excitation | ||
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3. Sensor connectors
Sensor :
Board side :
No. | Signal | Comment |
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1 | VSEN | Power for paper sensor |
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2 | PHE | Photo interrupter emittor |
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3 | PHK | Photo interrupter cathode |
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4 | SW1 | Head up detect switch 1 |
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5 | SW2 | Head up detect switch 2 |
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