Seine Toner for HP Laserjet Color 3600, 3600 dn, 3600 n, 3800, 3800 dn, 3800 dtn, 3800 n, CP3505, CP3505 dn, CP3505 n, CP3505 x, Black, OEM Part # Q6470A Remanufactured toner Cartridge. Compatible remanufactured Printer toner cartridge. Quality non-OEM imports from Seine Tech USA, previously branded as G&G and Ziprint.