Epson ET-2850 Series User Manual page 146

Solving Problems
If the ink does not start flowing into the tank, remove the ink bottle and reinsert it. However, do not remove
and reinsert the ink bottle when the ink has reached the upper line; otherwise ink may leak.
11. When you have finished filling the ink, remove the ink bottle.
Important:
c
Do not leave the ink bottle inserted; otherwise the bottle may be damaged or ink may leak.
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It is Time to Refill the Ink
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Refilling the Ink Tank
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