1.Turn off the power.
2.Remove the protective seal from the external device connecter.
3.Confirm the orientation of the external device cable connecter and connect it to the external device connecter at the back of the printer.
External device
connector
External device cable
connector
Protective seal
CAUTION
Use only the specified external device cable to connect to the external device connector (do not use phone, LAN, or USB cables).
(1) | Connector pin configuration | ||||||
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No. | Signal | I/O | Function |
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1 | FG | — | Frame ground |
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2 | TXD | Output | Data sent to printer |
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3 | RXD | Input | Data received from external device |
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4 | DSR | Input | Indicates that the printer can receive |
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| data. |
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| MARK: Printer cannot receive |
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| SPACE:Printer can receive |
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5 | DTR | Output | Indicates that the external device can |
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| receive. |
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| MARK: External device cannot receive |
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| SPACE:External device can receive |
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6 | SG | — | Signal ground (common ground on |
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| circuits) |
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7 | PS | — | Power supply terminal (24 VDC) |
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8 | PG | — | Flyback line for power supply |
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Connector used:
Transmission to external devices done at 19200 bps,
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