Singer Professional DSX II Futura 4000N Sewing Machine Instruction Manual (Model DSX II Futura 4000N) - 48 Pages. Lost your sewing machine's manual? We've got you covered! This instruction manual is the ultimate guide to unlock the full potential of your Singer Professional DSX II Futura 4000N. No more confusion or frustration—just clear, concise instructions right at your fingertips. What's inside? Everything you need to know from setting up to mastering your sewing machine and all its features. The physical copy of the instruction manual is a soft-cover printed photocopy.