The best-known non-impact printers are the inkjet printer, of which several makes of low-cost color printers are an example, and the laser printer. The inkjet sprays ink from an ink cartridge at very close range to the paper as it rolls by.
Here is an easy way to find your draw length, simply stand upright with your hands stretched out (hold naturally, do not hyperextend) and measure your arm span from fingertip to fingertip. Take this measurement in inches and divide by 2.5. This will give a good working draw length for your bow.
One advantage of modern compound bows is that the draw weight can be adjusted to fit the individual archer. In most cases, compound bows can be bought with a range of draw weights, usually with about ten pounds of adjustment. Common ranges are 30-40, 40-50, 50-60 and 60-70 lbs.