How long do the toner cartridges last on the HL-L3290CDW?

The standard toner cartridges (TN-223) yield approximately 1,400 pages for black and approximately 1,300 pages for cyan, magenta, and yellow. The high yield toner cartridges (TN-227) yield approximately 3,000 pages for black and approximately 2,300 pages for cyan, magenta, and yellow. Page yields are based on ISO/IEC 19798 using letter or A4 size single-sided pages.