Hi, I have an extra HP toner cartridge C4182X that's compatible with HP Laserjet printers 8100, 8100mfp, 8150 and 8150mfp. If someone want it, I'm located off campus but I can make it to deliver the cartridge to campus post office on Friday and then to his/her mail box by campus mail. Jalal -- Jalal Jaleel Computer Services W.K. Kellogg Biological Station Michigan State University helpdesk: 269-671-2100 office: 269-671-2215 cell: 202-906-0748