hi my name is Jose Carlos and my printer doesnt seem to be working the organe light keeps on flashing i only have one cartrige in there i dont know if it needs both i've installed the software and everything but it keep on flashing the cartrige isnt the problem cause its the one that came in the box and also the guys at frys said it was the right one too so if you know what might be going on it would help me out a lot thanks for reading this email bye