HP LaserJet Enterprise 700 color MFP M775 series - Manual (Page 71)

Print when a toner cartridge is at estimated end of
life
<Color> <Supply> Low This message displays when a supply is nearing the estimated
end of its useful life. <Color> is the color of the supply, and
<Supply> is the type of supply.
<Color> <Supply> Very Low This message displays when a supply is at its estimated end of
useful life. Print-quality problems can occur when using a
supply that is at its estimated end of life.
ENWW Print when a toner cartridge is at estimated end of life 57