Laser imatengedwa kuti ndi imodzi mwazinthu zodziwika kwambiri pakukonza buku. Imazindikira kudula, kuwotcherera, kuika chizindikiro, kuzokota ndi kuyeretsa pogwiritsa ntchito mphamvu ya laser pazidutswa zogwirira ntchito. Monga "mpeni wakuthwa", kugwiritsa ntchito kwambiri laser kumachitika.