-                               USB_ControlRequest = (USB_Request_Header_t)
-                                       {
-                                               .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
-                                               .bRequest      = REQ_SetInterface,
-                                               .wValue        = PrinterAltSetting,
-                                               .wIndex        = PrinterInterfaceNumber,
-                                               .wLength       = 0,
-                                       };
-
-                               if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)