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US 6,052,552 AGranted
Image forming apparatus with skew correction
AssigneeCanon Kabushiki Kaisha
InventorsKiyotaka Ohsumi, Akio Ohno
Life of this patent
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Abstract
An image forming apparatus for forming an image on a recording material. The position of the recording material is detected when the recording material is underway from a registration roller for correcting a skew of the recording material to an image forming position for the recording material, and the image is written based on the detected position signal. The image is thus formed at a proper position on the recording material.
Claims19
An image forming apparatus for forming an image on a recording material, comprising:
- image forming means for forming the image on the recording material at an image forming position;
- correct means for correcting a skew of the recording material that moves toward the image forming position;
- detector means located downstream of said correct means in a direction of advance of the recording material for detecting a position of at least one side edge of the recording material that moves from the position of said correct means to the image forming position;
- and
- control means for controlling said image forming means in accordance with an output of said detector means.
2 more elements
An image forming apparatus for forming an image on a recording material, comprising:
- image forming means for forming the image on the recording material at an image forming position;
- a recording material conveyer for conveying the recording material to the image forming position, wherein said conveyer holds and moves together with the recording material;
- detector means for detecting a position of the recording material held on said conveyer;
- and
- control means for controlling said image forming means in accordance with an output of said detector means.
2 more elements
Dependencies are inferred from the claim text.