HP Point of Sale (POS) Peripherals Configuration Guide

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6.5.6.3 Set printer to COMM CLASS mode (virtual serial port)
The following are the steps to switch the printer to COMM CLASS MODE:
1. Select COMM CLASS in the GUI.
2. Click on the CHANGE button.
3. Once the printer has loaded the drivers, close and re-open the utility in order to
have the utility display the virtual COMM PORT that was assigned by Windows.