Abstract: The image forming device includes a recording paper setting plate on which media are set, a paper end sensor lever, and a print control section that controls the whole of the device. The paper end sensor lever includes a paper contact part for detecting a first condition in which there are no media set on the recording paper setting plate and an arm contact part for detecting a second condition in which the amount of the media set on the recording paper setting plate is smaller than a prescribed amount.

Abstract: A button-key structure includes a plurality of button-keys arranged next to each other; and a button-key supporting portion disposed on a downstream side in a direction that the button-keys move. The button-key supporting portion includes a guide portion disposed between the button-keys in parallel to the direction that the button-key move.

Abstract: A medium holding apparatus detachably is attached to a medium feeding section of an image forming apparatus. A supporting section supports the medium thereon. A side guide is mounted to the supporting section. The side guide extends in a direction parallel to a first direction in which the medium is advanced to the medium feeding section, and is movable in a second direction substantially perpendicular to the first direction. The side guide abuts the side edge of the medium to guide the medium toward the medium feeding section. A guide unit is mounted to the supporting section, and holds the medium in a gently curved position. When the medium is fed to the image forming apparatus, the guide unit guides the medium to the supporting section.

Abstract: A sheet feeding apparatus includes a first feeding member that feeds a sheet along a predetermined feeding path, and a second feeding member that further feeds the sheet along the feeding path. The second feeding member is provided on a downstream side of the first feeding member along the feeding path. A sheet guide for guiding the sheet is provided between the first and second feeding members along the feeding path. The sheet feeding apparatus further includes a sheet holding member that holds the sheet against the sheet guide, and a biasing assisting member that applies a biasing force to the sheet holding member by means of the sheet which is fed between the first and second feeding members. The biasing force assists the sheet holding member to hold the sheet against the sheet guide.

Abstract: A sheet containing device includes a supporting part that supports a first sheet and a second sheet, wherein the first sheet and the second sheet are different types of media, and the first sheet and the second sheet are stacked on one another; a feeding member that is located at a front end of the supporting part and that feeds the first sheet and the second sheet in correspondence with rotation of the feeding member; a sheet operating member that selectively prevents one of the first sheet and the second sheet from being fed by the feeding member.

Abstract: A sheet feeding apparatus includes a first feeding member that feeds a sheet along a predetermined feeding path, and a second feeding member that further feeds the sheet along the feeding path. The second feeding member is provided on a downstream side of the first feeding member along the feeding path. A sheet guide for guiding the sheet is provided between the first and second feeding members along the feeding path. The sheet feeding apparatus further includes a sheet holding member that holds the sheet against the sheet guide, and a biasing assisting member that applies a biasing force to the sheet holding member by means of the sheet which is fed between the first and second feeding members. The biasing force assists the sheet holding member to hold the sheet against the sheet guide.

Abstract: A button-key structure includes a plurality of button-keys arranged next to each other; and a button-key supporting portion disposed on a downstream side in a direction that the button-keys move. The button-key supporting portion includes a guide portion disposed between the button-keys in parallel to the direction that the button-key move.

Abstract: A sheet containing device includes a supporting part that supports a first sheet and a second sheet, wherein the first sheet and the second sheet are different types of media, and the first sheet and the second sheet are stacked on one another; a feeding member that is located at a front end of the supporting part and that feeds the first sheet and the second sheet in correspondence with rotation of the feeding member; a sheet operating member that selectively prevents one of the first sheet and the second sheet from being fed by the feeding member.

Abstract: A medium holding apparatus detachably is attached to a medium feeding section of an image forming apparatus. A supporting section supports the medium thereon. A side guide is mounted to the supporting section. The side guide extends in a direction parallel to a first direction in which the medium is advanced to the medium feeding section, and is movable in a second direction substantially perpendicular to the first direction. The side guide abuts the side edge of the medium to guide the medium toward the medium feeding section. A guide unit is mounted to the supporting section, and holds the medium in a gently curved position. When the medium is fed to the image forming apparatus, the guide unit guides the medium to the supporting section.

Abstract: A sample stored in a reservoir is introduced into a flow chamber having a pair of panel electrodes interposed by an insulating flat plate spacer having an opening. After electro-fusion is completed or while electro-transfection is being conducted by the application of a suitable voltage between the panel electrodes, fused cells or cells that have been transfected with nucleic acids are discharged out of the flow chamber, and the sample in the reservoir is simultaneously introduced into the flow chamber. This cycle of operations is repeated.