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Identifying Plugs – Epson Refillable Cartridges

Some of the resources available on the internet tend to leave out useful information about the plugs use for the fill hole and the vent hole so we’ve taken the time to provide a guide that covers different cartridge types as well as deal with a few points that have confused end-users for a while.

Topics covered include:

  • How to identify the fill hole/plug
  • How to identify the vent hole/plug
  • What the “Do not remove” warning means on cartridge labels
  • When you should remove the vent plug (and why)
  • How to store a cartridge

These topics sound common sensical but if you’re unsure then this video will help.

[Epson] Refillable cartridges: Plug identification and use


Other videos are available, on the same YouTube channel, to explain the different types of refill technique as well as tips for resolving problems such as clogs, first fill (priming), etc… 

Updated on 9 February 2022

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