Brother HL-2270DW usb problem

I just bought a Brother HL-2270DW Laser Printer. I am trying to connect it to my computer. But the printer's usb connection is covered with a piece of plastic. Can anyone tell me how to remove that so I can connect the printer to the computer?

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8.1, 64 bit
Processor: Intel(R) Core(TM) i5-4430 CPU @ 3.00GHz, Intel64 Family 6 Model 60 Stepping 3
Processor Count: 4
RAM: 16322 Mb
Graphics Card: AMD Radeon R7 240, -2048 Mb
Hard Drives: C: Total - 1890464 MB, Free - 1579207 MB; D: Total - 15746 MB, Free - 1908 MB; F: Total - 1907725 MB, Free - 742102 MB; H: Total - 2861554 MB, Free - 1914395 MB; I: Total - 2861554 MB, Free - 1837219 MB; J: Total - 2861554 MB, Free - 2782522 MB;
Motherboard: Hewlett-Packard, 2AF7
Antivirus: ESET NOD32 Antivirus 7.0, Updated and Enabled

Thanks.