Patent ID: 8773486
Filing Date: 2014-07-08
Classification: B41J,G03G

Abstract:
1. An image forming apparatus, comprising: a main-body housing; a cover rotatable about a shaft and rotatably attached to the main-body housing; a latent image bearing member disposed in the main-body housing, to bear a latent image; an optical writing head to write the latent image on the latent image bearing member at a position close to the latent image bearing member; a head retainer rotatably attached to the cover, to hold the optical writing head; a biasing member to bias the head retainer in a rotation direction thereof; and a guide member provided to the main-body housing, the guide member being pressed by the optical writing head biased by the biasing member while guiding the optical writing head in a first direction and a second direction in association with movement of the cover; a plurality of the optical writing heads; a plurality of the head retainers; a plurality of the biasing members; and a plurality of the guide members, wherein the first direction is a direction in which the optical writing head approaches the latent image bearing member and the second direction is a direction in which the optical writing head separates from the latent image bearing member, and wherein the plurality of the guide members has different shapes in accordance with trajectories of each of the optical writing heads upon opening and closing of the cover.