Roll paper printer
AssigneeNEC Platforms, Ltd.
InventorsShou YAZAWA, Yukio YOSHIOKA
Life of this patent
Estimating the term…
Abstract
A printer is provided with a roll paper holding portion that holds roll paper without axially supporting the roll paper; a sheet conveying unit that conveys a sheet supplied from the roll paper, a printing unit that executes printing on the sheet; and a roll paper pressing unit that presses the roll paper held in the roll paper holding portion, wherein the roll paper pressing unit is provided with a pressing roller that presses the roll paper and rotates along with the sheet conveyance, and a rotation suppressing portion that suppresses the rotation of the pressing roller.
Claims6
A roll paper printer, comprising:
- a roll paper holding portion configured to hold roll paper without axially supporting the roll paper;
- a sheet conveying unit configured to convey a sheet fed from the roll paper;
- a printing unit configured to perform printing on the sheet;
- and
- a roll paper pressing unit configured to press the roll paper held in the roll paper holding portion,
- wherein the roll paper pressing unit includes:
- a pressing roller configured to press the roll paper and rotate along with conveyance of the sheet;
- and
- a rotation suppressing portion configured to suppress rotation of the pressing roller by a frictional force,
- wherein the roll paper pressing unit presses the roll paper against a bottom surface of the roll paper holding portion when the roll paper is reduced to a predetermined diameter or less,
- wherein the roll paper printer has a structure in which the sheet fed from the roll paper reduced to a predetermined diameter or less enters into a passage of the sheet conveying unit via the pressing roller after the sheet is separated from a roll portion of the roll paper.
(canceled)
Dependencies are inferred from the claim text.