Importance

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Abstract

A multi-function actuator of a duplex printer selects one of movement passages of a printing medium according to whether to print one side or on both sides of the printing medium and includes a duplex guide, a jam removing mechanism, a sensor arm, and a sensor. The duplex guide is rotatable disposed above a pressure roller of a duplex printer frame and includes a hollow cylinder and a plurality of bar-shaped guide pins at one side thereof guiding the printing medium. The jam removing mechanism is rotatable disposed inside of the hollow cylinder to allow the pressure roller to be separated from the heat roller when a jammed material is removed. The with arm is disposed co-axially with the duplex guide and rotates by a weight thereof. The sensor is disposed at the duplex printer frame and operates by the sensor arm. Accordingly, the multi-function actuator selects the one of the movement passage and allows the jammed material to be removed by separating the pressure roller from the heat roller.

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First Claim