Quote Originally Posted by ian_greant
If you are getting increased grain when scanning film over prints you need to fiddle with your settings.

In simple terms you are probably under or overexposing your scan.
I generally spend a fair amount of time setting the exposure in the scan so that I don't have to adjust the brightness very much and at a slightly lower contrast. However, this is doesn't mean anything since I'm adjusting for it's appearance on the monitor, which has shown itself to be way out of whack with the printer. So you might be right!!!