an optical printing head for a printer for the line - by - line recording of graphics and text in successive parallel lines on a photosensitive record carrier disposed at a printing location , the head including : a plurality of actuatable optical components disposed adjacent one another in the direction of the recording lines and each constituting a source of dot - like light elements ; objective lenses disposed between , and having optical axes extending between , the optical components and the printing location for projecting the light elements provided by each optical component onto the printing location along a portion of each printing line ; and members operatively associated with the lenses for adjustably positioning the lenses relative to the optical components in at least one direction in a plane transverse to the optical axes .