Over the past 10 years or so, we have discovered that the connection between the USB connector plug and the USB board was very weak.  We believe that there was not enough solder to make a strong connection.  When the Zebra printers are being moved around, that puts stress on the USB cable connection.  We have put together an adapter kit to replace your USB board and cable stay along with a special 90 degree USB pigtail cable that virtually eliminates this problem.  To date, we have not had a board get returned for repair after the customer added our adapter kit.  Read more...