How do I know when an ink cartridge needs to be replaced?

  • When you see a message on the Epson Stylus NX400's display screen, the printer will require you to change the cartridge. You need to replace a cartridge when it's expended or it gets too old. See Replace Ink Cartridges.
Published:  May 28, 2008 Was this helpful​? Thank you for the feedback!
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