摘要 |
<p>An electrostatic image forming apparatus in which computer generated image information is converted into a pattern of electrostatic fields, includes a particle source including a particle carrier which holds a layer of electrically charged particles that are transported toward a back electrode via apertures in a printhead structure or structures. The particles are received on an image receiving member to form an image. The image is formed by passing the image receiving member more than once past each printhead structure so a first part (61)of the image is formed on the first pass and further parts (62) of the image is formed on subsequent passes.</p> |