The present invention provides a cleaning unit for the printing apparatus. And a cleaning unit for the printing apparatus body a pair of cleaning the bottom of this unit is connected to the bottom plate; And the cleaning fabric take-up roller which is installed on the other side the lower cleaning portion of the pair, the cleaning carriage is fed to take-up said cleaning fabric; And shaft installed to be rotatable on a plurality of locations at one side of the cleaning unit body of the pair, to form a movement path to be cleaned carriage movement to which the supply, a plurality of contact roller is arranged to be in close contact with the cleaning carriage outer surface of the pattern roller and; It is installed on the other side top portion of the cleaning body of the pair, and the cleaning fabric to be cleaned recovery roller carriage that is moved through a number of the movement path; It is installed on one side of the cleaning unit body of the pair, and a plurality of cleaning liquid injector for injecting a cleaning liquid being supplied from the outside to the cleaning fabric on the moving path; It is installed on the other side of the main body, and a cleaning unit body of the pair of receiving the signal from the control unit provided with a pair of cylinders for reciprocating linear movement along the pattern roller side. Accordingly, the present invention can easily clean the outer circumference of the pattern roller and the intaglio patterns to be formed in a wet ink pattern and pressure conditions.