Epson EPL-6100 Reference Manual page 56

5. Paper:
6. Toner:
7. Photoconductor unit life:
46 Using the Printer Driver with Windows
Displays the paper size, paper
type, and the approximate
amount of paper remaining in
the paper source. Information
for the optional cassettes are
displayed only if this option is
installed.
Indicates the amount of
remaining toner. The toner icon
flashes if toner is low (10 percent
or less) or out.
Indicates the remaining
functional life of the
photoconductor unit.