In general, if there's no blood there's no problem. 
If he's not going after the hens aggressively and they're not beating him up but just giving him a few sharp pecks to teach him respect it will probably work out in due time.
Good luck.

If he's not going after the hens aggressively and they're not beating him up but just giving him a few sharp pecks to teach him respect it will probably work out in due time.
Good luck.
