Epson ET-15000 User Manual page 235

7. Insert the ink bottle into the filling port and wait for the ink to fill the tank. Do not squeeze the bottle.
Ink flows into the tank and stops automatically when the ink is filled to the upper line.
Note: Refer to the color-coded sticker on the ink tank unit to identify the color of each tank. Do not
force the bottles into position; they are keyed for each color.
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