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US 7,583,909 B2Granted
Image forming apparatus and image forming method using decolorizing toner
AssigneesKabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
InventorKoji Imamiya
Life of this patent
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Abstract
An amount of toner adhered to a toner image formed on the photosensitive drum using decolorizing toner when forming an image is controlled to 0.75 (mg/cm2) or below. As a result, a toner image formed on a paper is erased satisfactorily for the purpose of reusing the paper and the image density remaining on the paper is lowered.
Claims20
An image forming apparatus comprising:
- an image carrier;
- latent image forming means for forming an electrostatic latent image on the image carrier;
- and
- developing means for forming a toner image by adhering a decolorizing toner to the electrostatic latent image formed on the image carrier;
- and
- control means for controlling the developing means so that an amount of adhesion of the decolorizing toner to the image carrier becomes below 0.75 mg/cm2.
3 more elements
An image forming apparatus comprising:
- a photosensitive drum;
- a charger to uniformly charge the photosensitive drum;
- a latent image forming unit to form an electrostatic latent image on the photosensitive drum;
- and
- a developing unit to adhere decolorizing toner to the electrostatic latent image formed on the photosensitive drum;
- and
- a controller to control the developing unit so that an amount of adhesion of the decolorizing toner to the photosensitive drum becomes below 0.75 mg/cm2.
4 more elements
An image forming method comprising:
- forming an electrostatic latent image on an image carrier;
- adhering a decolorizing toner to the electrostatic latent image;
- and
- controlling the adhering step so that an amount of adhesion of the decolorizing toner to the image carrier becomes below 0.75 mg/cm2.
1 more element
Dependencies are inferred from the claim text.