Safety system for image forming apparatus having expendable developing unit

摘要

An image forming apparatus includes a main body, a developing unit, a drawer movably installed at the main body and including a tray and a cover. The cover includes a first operation section and a second operation section, an interlocking member to be moved along with the drawer in the first operation section of the cover, and a lift member to be vertically moved according to movement of the interlocking member, wherein the developing unit is provided with a first connection terminal. The lift member is arranged with a second connection terminal, and the tray is arranged with a third connection terminal connected to the second connection terminal according to the position of the second connection terminal so that the second and third connection terminals are disconnected prior to extraction of the tray from the main body.

主权项

1. An image forming apparatus, comprising:
a main body; a developing unit to receive developer; a drawer movably installed at the main body, the drawer comprising a tray to support the developing unit and a cover coupled with the tray to define one surface of the main body, the cover having a first operation section to move the cover relative to the tray and a second operation section to move the cover together with the tray; an interlocking member to be moved along with the drawer in the first operation section of the cover; and a lift member to be vertically moved in response to a movement of the interlocking member, wherein: the developing unit comprises an information storage module to store information of the developing unit, and a first connection terminal provided at one side of the developing unit to transfer the information of the information storage module to an outside of the developing unit; the lift member comprises a second connection terminal arranged at one side of the lift member to be vertically moved along with the lift member; and the tray comprises a third connection terminal arranged at one side of the tray, the third connection terminal being connected to the first connection terminal of the developing unit received in the tray and being connected to the second connection terminal in response to a position of the second connection terminal so as to indirectly connect the first and second connection terminals.