I am done with HP. They can stick all their products where the sun don't shine. I have bought nothing but HP computers,printers,etc., for the last 20 years but I am all done after this printer and their tactics for selling ink cartridges. Here is how I reset my 3210 to work when one or more of the color cartridges expires. Press ok,cancel,black & color and turn off at the same time. You may have to do a couple of times but it works. This may work on other models as well but not sure. If it does, please post. Lets stick it to HP like they have stuck it to us.