Epson WorkForce 40 Series - Manual (Page 20)

20 Maintaining Your Printer
■ If a cartridge is low or expended, the print head moves to the position
to indicate which cartridge should be replaced. Press the ink button
again to see if more cartridges are low or expended. If not, the print head
moves to the replacement position on the right.
■ If no cartridges are low or expended, the print head moves to the
replacement position on the right.