Patent ID: 7549812
Filing Date: 2009-06-23
Classification: B41J,Y10T

Abstract:
1. A print control module of a thermal printer, the print control module comprising: a housing; a transmission device installed within the housing, comprising: a power switch mechanism installed within the housing, comprising: a power transmission gear installed within the housing in a rotatable manner relative to the housing; and a step switch mechanism installed within the housing, comprising: wherein when the motor rotates in a first direction, the first planetary gear meshes with the step switching mechanism to output power to the step switching mechanism, and when the motor rotates in an opposite direction to the first direction, the fixed component fixes the step switching mechanism, the second planetary gear meshes with the power transmission gear to transfer power to the power transmission gear; wherein the flat surface and the arc surface control the rotation of the rotating arm so as to control the clutch gear to mesh with a ribbon gear set.