I've actually used my oven to superdry bromoil matrices (bleached fiber prints). I heat it to about 175 F, turn it off, and set the print on a mesh rack with a couple paper towels on it.
My two conclusions: if the print is damp and I want to get right to inking... the heat really distorts the print and any droplets that don't steam off right away sort of bubble up. And the print just curls into a ball.
And... if the print is dry, a blowdryer is less hassle and seems to do just as well without risking the print. (I am talking fiber though, RC I just leave on a screen with no heat).
Now, I have heated some matte board in the oven, popped it out hot, and put a damp fiber print wrapped in blotter paper between the warm boards and tossed a big book on top. That does give you a pretty flat print if you don't own a drymount press.
Even better is one of those 70's era "plate warmers", though you're limited to about 11x14 - get it very warm, turn it off, then stack matte board, paper, print (damp or dry spritzed with a mister), paper, matte board, and a dev. tray full of warm water on top (big flat weight). Leave it for a day or so.
I got a hell of a burn the fist time I messed with a plate warmer - I imagine that's why they're not made anymore, couldn't imagine a surface you'd put out at a party (next to the liquor and cocaine no less) would get that hot! Medium heat is all you need, whether drying prints or warming up a tray of lith.