Okay a couple of things, 1st order of business.Do not pull the printer apart!
What you need to do is get a syringe full of window cleaner or preferably watered down isopropyl alcohol.
next, take out the problem cartridge and flush some solution through the tube (that leads to the printerhead)...
I'd say you overfilled it. After filling the cartridges it is important that you give the sides a light squeeze and use a tissue to draw out any excess ink. Also, i'm not sure whether i am getting confused by your English or whether you are actually talking about the printerhead leaking, even if...
Where are you from? I'm from Queensland, Australia and HP 564 cartridges cannot be reset. My suppliers sell replacement chips for them, but the cost of the chip cuts into the profit too much. I'm sure you are aware that they still print with the old chip, it just likes to remind you that you are...
I would just like to introduce myself to the forum, I work at a refill shop in Australia and i am hoping that this forum can help me stay up to date with the latest cartridges. I hope to post refill instructions and also kill off some myths about refills that seem to be getting around. I am more...