The original Canon 040 cyan toner cartridge offers a relatively limited 5,400 page yield and this remanufactured alternative is the very same capacity. Our manufacturers disassemble, examine and clean the inside of the empty Canon 0458C001, before filling it with their own cyan toner powder.If parts within the empty Canon 0458C001 cannot be reused, then they are replaced by compatible alternatives designed to perform the same tasks with ease. The completed remanufactured Canon 0458C001 comes fully guaranteed and offers a quality of print much like a brand-new toner.