Epson ET-2550 AdjProg Definition – Epson ET-2550 AdjProg or Epson ET-2550 Adjustment Program or Epson ET-2550 Adj Program, is a middleware developed by third-party software to supply for Epson ET-2550 printer, making printer continuous printing without error. – Epson ET-2550 Adjustment Program enables to perform maintenance and adjustment functions such as: Reset Waste Ink Pad […]