1. Specifications 1.1 The GPIO interface is designed for Argox industrial printers and external peripheral devices. Figure 1 Installation of a GPIO card onto the industrial printer 1.2 The GPIO interface works in exceptional control by changing input signal levels; it’s programmable or customized, and output signals show the printer status or functional indicator.
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1.3 The GPIO interface is as shown in Figure 2 and Figure 3; it uses a D-Sub 15-pin female connector. Figure 2 GPIO board Figure 3 1.4 Connector pin definitions are as follows: Pin No. Type Default Function Description Power return path of +5V Power plus path of +5V Start printing.
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Pin No. Type Default Function Description Reprint. The printer reprints the last Reprint label when this signal is triggered (high to low). Power plus path of +24V Power return path of +24V Not Connect Service required. When a printer error Serv_Req occurs, this output signal will change from high to low (active low).
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2.4 Because all of the signals were not isolated, the ground (pin1 and pin8) of the GPIO board and the signal ground of the external device need to connect directly; it should avoid different GND pins connecting the GPIO board and making this board fail.
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(2) Pin 4 Feed: a. The signal is to let the printer feed the media; the internal label length sets the distance. b. During feed processing, the output pin of Data Ready will be active and disabled till the end of the feed. c.
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(4) Pin 6 Reprint: This signal makes the printer print the last label again; it is active low. When the print job is finished, the output pin of End Print will send a pulse (20ms), and the external device should turn off the Re-Print signal. The output pin of Data Ready will be active and disabled till the end of printing.
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(4) Pin 13 Ribbon out: a. It indicates the ribbon status and is active when ribbon out occurs. b. This signal persists until the error condition is removed. (5) Pin 14 Data Ready: a. It indicates the printer has received print data. b.
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