Your Epson Stylus Photo R1900 Series and its software will let you know when an ink cartridge is low or expended.If an ink cartridge is low, theink light flashes.
When an ink cartridge is expended, theink light stays on.
If a cartridge is expended, you must replace it to be able to print. If a cartridge is low, you can continue printing until a cartridge needs replacement.Note:
You cannot print when an ink cartridge is expended even if the other cartridges are not expended. Replace any expended cartridges before printing.When an installed ink cartridge is more than six months old, you may need to replace it if your printouts do not look their best, even after cleaning and aligning the print head.