Final answer:
Scanning is transforming paper-based information into digital form using a scanner. Laser printers, which employ scanning technology, use a xerographic process and a laser to produce high-quality printed images through precision control of the laser light.
Step-by-step explanation:
Scanning involves converting data from a paper-based media into an electronic format using a scanner. The process can be closely related to how laser printers operate, which also involve scanning technology. Laser printers use the xerographic process to create high-quality images on paper. A laser produces an image on a photoconducting drum as illustrated in various figures. The laser beam is scanned across the drum, leaving a positively charged image. The drum's image is then transferred onto paper, creating a crisp, precise copy. This process exemplifies the precision control of laser light in high-quality output devices, often involving advanced information processing for complex fonts and images.