An electrostatographic single-pass multiple station multi-color printer for forming an image onto a web has a plurality of toner image-printing electrostatographic stations. Each station has a drum onto the surface of which a toner image can be formed. An exposure station forms an electrostatic toner...http://www.google.fr/patents/US5499093?utm_source=gb-gplus-shareBrevet US5499093 - Electrostatographic single-pass multiple station printer with register control
Electrostatographic single-pass multiple station printer with register control