Your product and its software will let you know when
an ink cartridge is low or expended, or when the maintenance box
needs to be replaced.
Note: When
using the PCL or PostScript (PS3) printer software with the
product, you can check ink cartridge and maintenance box status by
using the printer buttons or the utilities included with the
standard Epson printer software. To download the standard Epson
printer software, go to
epson.com/support/wf5690.