EE STATED THAT HE WAS ATTEMPTING TO REMOVE A ROOF BOLT CAUGHT AT THE HEAD ROLLER ON THE RAW COAL CONVEYOR BELT. THE BELT WAS TURNED OFF BUT HAD NOT COMPLETELY STOPPED. EE GRABBED HOLE OF ROOF BOLT AND THE BOLT JERKED HIS HAND AGAINST THE HEAD ROLLER SIDE CAUSING LACERATION TO TWO FINGERS. REPORTABLE DUE TO REQUIRING SUTURES.