To save yourself wasting a fortune on ink (because of your head cleaning utility), watch the video to find out what I have just discovered today. December 2012 - Well it has now been 20 months since I tried this idea for cleaning my heads and I am very pleased with the fact that I still have a perfectly good printer.I have only had to use the head printing technique once in that time. The black nozzle had a jet that became blocked.ecember 2012 - Well it has now been 20 months since I tried this idea for cleaning my heads and I am very pleased with the fact that I still have a perfectly good printer. I have only had to use the head printing technique once in that time. The black nozzle had a jet that became blocked.