Medium feeding device and control method for medium feeding device
AssigneeSeiko Epson Corporation
InventorMasaya Yamasaki
Life of this patent
Estimating the term…
Abstract
A medium feeding device includes a placement section on which a medium group is supported; a raising and lowering section configured to raise and lower the placement section; a pickup unit that includes a pickup roller that comes into contact with an upper section of the medium group and a support section that applies a downward force to the pickup roller, and that feeds a medium in order from a top in a feed direction while applying a downward pressing force to the medium group from the pickup roller; a control section; and a detection section configured to detect the pressing force, wherein the control section causes the raising and lowering section to raise and lower the placement section such that a detected pressing force falls within a target range.
Claims11
A medium feeding device comprising:
- a placement section on which a medium group in which a plurality of sheets of a medium are stacked is supported;
- a raising and lowering section configured to raise and lower the placement section;
- a pickup roller that comes into contact with an upper section of the medium group;
- a support section that applies a downward force to the pickup roller;
- a control section;
- and
- a detection section configured to detect the pressing force, wherein
- the control section causes the raising and lowering section to raise and lower the placement section such that a detected pressing force falls within a target range, and feeds an uppermost medium of the medium group in a feed direction while applying a downward pressing force to the medium group from the pickup roller.
A control method for a medium feeding device, the medium feeding device including
- a placement section on which a medium group in which a plurality of sheets of a medium are stacked is supported,
- a raising and lowering section configured to raise and lower the placement section, and
- a pickup roller that comes into contact with an upper section of the medium group,
- the control method comprising:
- a detection step of detecting the pressing force;
- a raising and lowering control step of causing the raising and lowering section to raise and lower the placement section such that a detected pressing force falls within a target range;
- and
- a feeding step of feeding an uppermost medium of the medium group in a feed direction while applying a downward pressing force to the medium group from the pickup roller.
Dependencies are inferred from the claim text.