This is replacement chip for Canon LBP5050, which needs to be replaced after refilling by following the easy instructions. Page yield: Black 2,300 pages; Cyan, Magenta, Yellow - 1,500 pages.
Item #: 185-241-01BLACK (Black)
185-241-01CYAN (Cyan)
185-241-01MAGENTA (Magenta)
185-241-01YELLOW (Yellow)