Printer and roll-shaped printing medium therefor

A printer that uses a roll-shaped printing medium formed by winding, into a roll shape, a printing medium including a printing surface on which images are to be printed, a releasably adhered printing portion, and a release portion for holding said adhered printing portion, said printer comprising:

• conveying means that conveys said printing medium while pulling out said printing medium by a predetermined amount every time an image is to be printed;
• printing means that prints an image with respect to the printing medium conveyed by said conveying means;
• half-cutting means that cuts off the printing portion of said printing medium except for said release portion, along the conveying direction of the image printed by said printing means, at the interval corresponding to the dimension of said image in the width direction perpendicular to said conveying direction;
• and
• cutting means that cuts said printing medium along the width direction of the image printed by said printing means, at the positions corresponding to the dimension in the conveying direction of the image.