Case studies of barcode readers, receipt printers, customer displays, and cash drawers.
This is an introduction to a system renovation project developed with 4D v2004. The features for the store include receipt printing and a cash register screen, with keys assigned to the numeric keypad of the 106 series extended keyboard. Functions such as "subtotal" and "current total" were implemented while determining key events. This time, we implemented a software keyboard and assigned shortcuts to buttons, which improved development efficiency as the layout of the numeric keypad matches the key layout on the screen. A notable feature is the support for EPSON ePos's network API. Previously, it was supported via a serial connection, but since Epson provided "Epson ePOS-Print XML," we changed to a method that sends XML files over the network. At the same time, the customer display and cash drawer are also controlled using "Epson ePOS-Print XML." *For more details, please contact us.
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We will propose the most suitable approach for your business from various operating systems such as Mac, Windows, Unix, and Linux, as well as commercially available software. We specialize in flexible system design that builds upon commercial software while only developing the necessary components, keeping programming to a minimum.
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