Chapter 3 Utility Settings-Platen Vacuum (General) You can make the settings of the platen vacuum manual adjustment. 3 79 Item Description Platen Vacuum Manual Adjustment Sets whether to manually make the platen vacuum adjustment. Vacuum Setting Sets a value of the platen vacuum manual adjustment. Available when [Platen Vacuum Manual Adjustment] is "ON". Send Sends settings to the TM-C3400Z. The setting completion message appears on the web page when the setting has been successfully completed. The web page automatically returns to the setting window.