My HP PSC 950 printer is giving me a cartridge alignment error msg. I changed the cartridges and run the alignment--still giving me the alignment error msg...HP tech support says the fix is easy, but wants $40. Any help?

See if anything here helps:

http://forums1.itrc.hp.com/service/f...hreadId=227240

http://forums1.itrc.hp.com/service/f...categoryId=233