This file contains the Epson Stylus NX420 Firmware Update version SA28A7. This update improves wireless connectivity when secondary channels 12ch and 13ch are used.
It is highly recommended to always use the most recent driver version available.
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Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.
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