The correct choice is Option 2: 'Check the new data sent by email.' The text says: '印刷する前に、必ずこの新しいファイルを確認してください' (Before printing, please be sure to check this new file). Since checking the new file is commanded to be done *before printing*, it is the primary and immediate action. Old files must be thrown away, and there is no mention of postponing to tomorrow.