title: Standard print button is inoperative in custom Report
body: <p>My customer has reported a problem that standard ''print'' button in Z-report which a developer wrote before is not working.</p>
  <p>How can I enable the button?</p>
  <pre><code>    MODULE user_command_0100 INPUT.
        DATA: GS_STATUS TYPE SLIS_STATUS,
        XS_STATUS LIKE GS_STATUS.
  
        CASE sy-ucomm.
          WHEN 'BACK' OR '%EX' OR 'RW'.
            LEAVE TO SCREEN 0.
          WHEN '&amp;RNT'.
  
        ENDCASE.
      ENDMODULE.
  </code></pre>