Code reader and code reading method using same

Abstract

The technical idea of the present invention provides a code reader comprising: a vision device configured to recognize an identification code of an article; a lower frame provided below the vision device and providing a passage through which the article moves; an alignment jig detachably mounted on the lower frame and accommodated in the passage of the lower frame; and a fixed holder positioned at a reference position, wherein the alignment jig is inserted into the fixed holder, and thus the vision device is aligned at the reference position.