Patent ID: 6109806
Filing Date: 2000-08-29
Classification: B41J

Abstract:
A print unit, comprising:a feed roller that feeds a recording medium in a sheet feed direction;a platen having a printing surface for receiving the recording medium, the printing surface having a width in a widthwise direction perpendicular to the sheet feed direction, the printing surface having a flat surface portion defining a print area between sides opposing each other and extending in the sheet feed direction, the recording medium having sides extending in the sheet feed direction and corresponding to the sides of the print area;a print head disposed away from the platen by a predetermined distance so as to confront the printing surface, the print head ejecting ink toward the recording medium on the printing surface; anda guide disposed on the printing surface to be in alignment with at least one of the sides of the print area, the guide preventing a corresponding one of the sides of the recording medium from rising off the printing surface and from curling toward the print head, wherein the platen is formed with a groove extending in the sheet feed direction to be in alignment with at least one of the sides of the print area, the groove on the side edge providing a space that receives the corresponding one of the sides of the recording medium.