ALLEGED INCIDENT WAS TO OCCUR WHEN EE WAS ATTEMPTING TO GET DOWN OFF OF BELT. HE SAID HE SLIPPEDAND WHEN HE LANDED ON HIS FEET HE HIT HARD. CAUSE OF INJURY WAS PAYING ATTENTION TASK AT HAND. C OMPLIANCE WITH RULES/REGS WAS NOT A FACTOR, PROTECTIVE EQUIPMENT NOT A FACTOR, MINING EQUIP/SYSTEMS A FACTOR.