The filter that failed is part of the Epson software. I would suggest you take the following actions:
1. Delete your printer using Print & Scan preferfence pane.
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2. Delete the folder /Library/Printers/Epson
3. Delete the folder (if present) /Library/Caches/Epson
4. Turn off your printer and then connect it to your computer using a USB connection.
5. Turn the printer on.
6. Go to the Print & Scan preference pane and click the + icon to add your printer.
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7. You will be prompted/asked if you want to download the printer drivers for your printer. Say yes.
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The updated drivers will download and install. This process should also add your printer. Once you confirm that the printer works properly, you can disconnect the USB connection and set up the printer to print wirelessly.