How do I know when an ink cartridge needs to be replaced?
When you see an ink message on the Epson Stylus CX9400Fax Series's LCD 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: Feb 14, 2008 Was this helpful? Thank you for the feedback!