Brother Kogyo Kabushiki-Kaisha

Yuri Morishita

Yuji Nishigaki

Teruhito Hasegawa

Shintaro Izoe

A conveyer includes: a supporting member which supports a roll body having a sheet wound therearound; a conveyance roller which conveys the sheet; a guide member; an urging member which urges the guide member; a sensor; and a controller. The controller is configured: to determine a target position of the guide member and a permissible position in accordance with the target position; to control a rotation amount of the supporting member and/or a rotation amount of the conveyance roller; to determine whether or not a position of the guide member exceeds the permissible position; and to perform a notification of a conveying error of the sheet.

Conveyer and image recording apparatus

A sheet conveyor includes: a holder that detachably holds a sheet roll; a rotation measuring device that measures a rotation amount of the sheet roll; a conveyance roller that conveys a sheet pulled out from the sheet roll held by the holder; a tensioner that is provided between the holder and the conveyance roller and that contacts with the sheet pulled out from the sheet roll toward the conveyance roller; a position detector that detects a position of the tensioner; a motor that generates driving force for rotating the conveyance roller; and a controller that controls the motor. The controller estimates a diameter of the sheet roll based on a conveyance amount of the sheet caused by rotation of the conveyance roller, a rotation amount of the sheet roll measured by the rotation measuring device, and a position of the tensioner detected by the position detector.

Growing community of inventors

Nagoya, Japan

Yuri Morishita