Image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorMasanori Akita
Life of this patent
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Abstract
An image forming apparatus includes a toner image forming device for forming a color image. The toner image forming device forms a first color test image and a second color test image superposedly on an image conveying member so that at least one of a screen angle and a screen ruling with respect to the first color test image is different from that with respect to the second color test image. The image forming apparatus further includes a detecting device for detecting a distribution of heights of the first and second color test images formed superposedly on the image conveying member by the toner image forming device, and a control device for controlling a toner image forming condition of the toner image forming device on the basis of the distribution detected by the detecting device.
Claims4
An image forming apparatus comprising:
- a toner image forming device for forming a color image, wherein said toner image forming device forms a first color test image and a second color test image superposedly on an image conveying member so that at least one of a screen angle and a screen ruling with respect to the first color test image is different from that with respect to the second color test image;
- a detecting device for detecting a distribution of heights of the first and second color test images formed superposedly on the image conveying member by said toner image forming device;
- and
- a control device for controlling a toner image forming condition of said toner image forming device on the basis of the distribution detected by said detecting device.
Dependencies are inferred from the claim text.