drum unit yellow, 20000 pages (C5650 / C5750)
drum unit magenta, 20000 pages (C5650 / C5750)
drum unit cyan, 20000 pages (C5650 / C5750)
drum unit black, 20000 pages (C5650 / C5750)
drum unit yellow, 20000 pages (C5850)
drum unit magenta, 20000 pages (C5850)
drum unit cyan, 20000 pages (C5850)