Title:
Image forming device
Document Type and Number:
Japanese Patent JP5942680
Kind Code:
B2
Abstract:
A sheet conveyer, including a manual-feed conveyer path; a first sensor to detect presence of the sheet inserted in the manual-feed conveyer path; an upstream-side conveyer and a downstream-side conveyer to convey the sheet toward a downstream side; a second sensor to detect presence of the sheet in a downstream position with respect to the upstream-side conveyer, the second sensor being switchable between a presence-detectable state and an absence-detectable state; and a controller is provided. The controller measures presence-detecting duration of the sheet by the second sensor and controls the downstream-side conveyer to continue conveying the sheet if the first sensor is detecting presence of the sheet when the second sensor is switched to the absence-detectable state, and if a difference between a value calculated based on the measured presence-detecting duration and a reference value obtained based on a reference sheet length is smaller than a predetermined threshold.
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Inventors:
Takashi Suzuki
Application Number:
JP2012172596A
Publication Date:
June 29, 2016
Filing Date:
August 03, 2012
Export Citation:
Assignee:
Brother Industries, Ltd.
International Classes:
B65H7/02; B65H11/00
Domestic Patent References:
| JP57142656A | ||||
| JP62136440A | ||||
| JP4267169A | ||||
| JP2010032725A |
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