I upgraded from my B/W laser to a color laser, both Brother, but I'm keeping the old one in a closet. Someday when if for some reason the new one has problems

I upgraded from my B/W laser to a color laser, both Brother, but I'm keeping the old one in a closet. Someday when if for some reason the new one has problems (or I legit run out of color toner), I know it'll be ready to step in.