I never turn my printer off and don't have trouble with any clogs so go figure I know that they say to turn it offwwith the printer with but never have. I have done this almost all the time sometimes don't print for a week at a time.usually thou every couple of days I have had three jets on one color that took a lot to clean other than that very little trouble and that was caused by non Epson ink. - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.