All of the colour toner cartridges in the Canon C-EXV47 range have a surprisingly high page yield and this cyan version continues the tradition with an estimated 21,500 prints. Identified with the full Canon code of 8517B002AA, this cyan toner cartridge offers the very best quality results for your printer, at a very fair price. The great value genuine Canon 8517B002AA is the only cyan toner cartridge available for the imageRUNNER ADVANCE IRC255i and all other compatible printer, making ordering replacements mercifully simple. This unit and every other colour in the C-EXV47 range comes fully guaranteed by Canon directly, in the incredibly rare instance that a problem arises.