Patent ID: 8200132
Filing Date: 2012-06-12
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image supporting member; a developing belt for supporting and transporting developer to develop a static latent image formed on the image supporting member; a developer supply member disposed to abut against the developing belt to form a specific nip portion for supplying the developer to the developing belt; a first voltage applying member for applying a first voltage to the developing belt at a first position; a second voltage applying member for applying a second voltage to the developing belt at a second position so that the developer supply member abuts against the developing belt between the first position and the second position; and a third voltage applying member for applying a third voltage to the developer supply member, wherein said first voltage applying member and said second voltage applying member include a first rotational member and a second rotational member, respectively, for extending the developing belt so that the image supporting member abuts against the developing belt between the first rotational member and the second rotational member, and said developing belt is arranged to move at a seed of 1.1 to 1.3 times that of the image supporting member.