Material for forming graphics

Matrix case

Matrix optical keyboard

Matrix print head

Matrix print head

Matrix print head impact energy control

Matrix print head printer

Matrix print head repetition rate control

Matrix print head with improved armature retainer

Matrix printer

Matrix printer comprising lubricated printing wires

Matrix printer comprising parallel printing pins

Matrix printer having detachable recording elements

Matrix printer incorporating intermittent ink ribbon transport

Matrix printer with automatic printing head adjustment

Matrix printer with magnetic head adjustment

Matrix printer with optimum printing velocity

Matrix type electrophotographic printing process and device

Matrix wire print head and method for the manufacture thereof

Matted release coat for self-wound thermal printable facestock