I find standing the carts on a cloth or thick tissue that is dampened with the solvent of your choice works well, the capillary action draws out ink to prime things a bit. Bonus: you get a crude chromatographic analysis of the pigments too :) Cheers, Robin. -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of Peter van Hoof Sent: 25 November 2009 20:52 To: Microcontroller discussion list - Public. Subject: Re: [OT] Ink jet cartridges not used for a while Though it is stupid (according to my wife). I apply suction with my mouth (might get you a black tongue or lips tough). plain water helps with HP cartridges. Peter van Hoof -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist