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Fixing the "Driver unavailable" error There are ways to fix the Epson Printer Driver is Unavailable error. This problem is often caused due to an incompatible or outdated printer driver. The first thing to do is to make sure the printer is properly connected to the PC and that the power source is turned on. Next, check that the driver software is up-to-date. You can also update the driver manually. You can do this using the Windows Device Man
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