Gururaj Ananthateerta wrote: > tried , that button is not present. > there is a place holder but. uhm...it's possible the machine is locked up in a way where TOC is not effective...IIRC, it's a recessed, blue button about 1mm is diameter. I expect (but haven't checked) the B180 owners guide to be on docs.hp.com and it should describe where TOC button is. grant