... 3)Page Yield 5%:12000 Pages Toner cartridge compatible for HP 6511X printerFeatures1. Page Yield 5%: 12000 Pages 2. Original Printer ... 310, 31II, 510, 51II, 710, 710II3. Compatible to Printer models: HP LaserJet 2410, 2420, 2420d, 2420n, 2420dn, 2420dtn, 2420tn, 2430n, 2430dtn, 2430tn ...