A type of line printer that uses an embossed steel band to form the letters printed on the paper is

Solution (By Examveda Team)

Band Printer : A line printer that uses a metal band, or loop, of type characters as its printing mechanism. The band contains a fixed set of embossed characters that can only be changed by replacing the band. The band spins horizontally around a set of hammers, one for each print column.

Source : pcmag.com