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US 7,460,804 B2Granted
Image forming device having an image detector
AssigneeRicoh Printing Systems, Ltd.
InventorsAtsushi Onose, Tatsunari Sato, Shintaro Yamada
Life of this patent
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Abstract
An image forming apparatus includes detecting means for detecting a toner image formed on an image carrier, and transport means for transporting a sheet. The detecting means is disposed on an inner side in a width of the image carrier, and on an outer side of a contact region with the transport means and the sheet, in a direction perpendicular to a transporting direction of the sheet.
Claims20
An image forming apparatus comprising:
- detecting means for detecting a toner image held on an image carrier;
- and
- transport means for transporting a sheet,
- wherein the detecting means is disposed opposite the image carrier and offset from the transport means in a width direction of the image carrier, and
- wherein the detector is arranged on an outer side of a region defined by a point of contact between the transport means and the sheet in the width direction of the image carrier.
2 more elements
An image forming apparatus, comprising:
- an image transfer device;
- a photosensitive belt;
- a sheet feed roller disposed in a same orientation as the image transfer device;
- and
- a sensor disposed opposite the image transfer device and offset from the sheet feed roller in a width direction of the image transfer device,
- wherein the sensor is arranged on an outer side of a region defined by a point of contact between the sheet feed roller and a sheet in the width direction of the image transfer device, and
- wherein the sensor is positioned at a lower side of the image transfer device.
4 more elements
An image forming apparatus, comprising:
- an image transfer device;
- a photosensitive belt;
- a sheet feed roller disposed in a same orientation as the image transfer device;
- and
- a sensor, for sensing a toner image held on an image carrier, disposed opposite the image transfer device and offset from the sheet feed roller in a width direction of the image transfer device,
- wherein the sensor is arranged on an outer side of a region defined by a point of contact between the sheet feed roller and a sheet in the width direction of the image transfer device.
3 more elements
Dependencies are inferred from the claim text.