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Epson Open Platform and Product Key Check

  1. Open the printer’s web interface and sign in as an administrator.

  2. In the Epson Open Platform section, select Product Key or License Key from the menu.

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  1. The Epson Open Platform version must be set to 1.1, and a valid Product Key must be entered.

    If the Product Key is missing, follow the instructions provided here: How to Get the Epson Open Platform Product Key