Ee had gone to face area to service face equip as part of idle shift on unit #4. It appears from acc.site that ee was moving continuous miner from face of #3 entry outby about 1 & 1/2 crosscuts to service it. A coworker said ee had been alone for about 5 min, when coworker found ee pinched between tail of miner & coal rib about 15 ft outby intersection for crosscut #29, entry #3.