Confidential printer capable of identifying confidential paper

Abstract

The present invention relates to a confidential printer capable of recognizing confidential paper, which is a printer configured to discharge paper transferred from a paper loading case after being transferred by an intermediate transfer belt, and comprises: a paper sensing sensor unit installed near the intermediate transfer belt in order to sense the paper entering the intermediate transfer belt; and a secrecy sensor unit installed on a paper transfer path from the paper loading case to the intermediate transfer belt to sense whether the paper is a secrecy paper, thereby significantly reducing noise generated when identifying the paper, and enabling identification of the paper supplied through the plurality of supply units by one secrecy sensor unit.

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