Today, I find that I have a printer comm problem which I haven't had before. I use an HP DeskJet 870Cse, and have for more than a year, so far without significant problem. Today, I replaced the black cartride, which I wouldn't think would cause any problems. Now, at the end of each print job, the printer notes that it has lost comm with the computer, and starts flashing the yellow light. Turning off and back on the printer fixes all up, but I cannot start another job until I do this, or I get binary dump on the printer. I use HPIJS with CUPS and FEDORA CORE 2. What steps may I take to find out what has gone wrong with my setup? Mike -- p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);} Oppose globalization and One World Governments like the UN. This message made from 100% recycled bits. You have found the bank of Larn. I can explain it for you, but I can't understand it for you. I speak only for myself, and I am unanimous in that!