How convert wire scanner to warless scanner

 How convert wire scanner to wirless scanner 1: Product Introduction: Normal barcode scanner after installed wireless barcode adapter SL-BA10 could be used as Bluetooth barcode scanner (wireless barcode scanner). And also could be used as portable data collector terminal when used with smart phone. It is suit for major barcode scanners in the world. SUMLUNG …

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Silent mode print method from Mozilla Firefox

Silent mode print method. Set up the receipt printer as your default printer in the Devices/Printers screen. In Firefox, type in “about:config” and hit Enter. A dialogue box will appear, press “I’ll be careful, I promise.” Right click, select New | Boolean. Type in: print.always_print_silent. Select True, then OK.