The 1625 has the toshiba tec printhead, provided the jets and lines were flushed before it was taken out of service, there should be no issue bringing the heads back online. If the unit was taken out of service by efi, this is almost certainly the case, if it was taken out of service by the individual, chances are it’s not. The 1625, doesn’t require air, but it does hav3 specific power requirements, which, since it was already in the shop should be as easy as plugging it in. Chances are, they have little if any remaining ink, so getting a nozzle test will be difficult, but if they have one from before and it was taken out of service by efi, you could have a very good printer available.