I am using the iPF6100, which is of course different in software, but I have just been printing out a nozzle check. I am intrigued by these threads where people want to get an image to print and ensure that all inks are being used when doing a nozzle check fulfills this exactly. It might only use up a minute amount of ink, but at least its getting pushed through the nozzles. I also find that if I wait 3 days or more, then the printer will first do a cleaning cycle which is unfortunately wasting ink. So before 3 days are up, I either print an image or do a nozzle check and I"ve had no problems at all. When I miss this 2 or 3 day window, the printer will do that cleaning cycle first before a print or nozzle check, and I just cringe at all the ink going down the drain. My fear is that if you will be printing this image only once a week, then the printer will still be doing routine cleaning cycles and waste even more ink than if you just make sure to print out a nozzle check every couple of days.