so my cutter works great for small jobs that are around 4 feet long but when i go past 4 feet long while the rollers are moving my computer will make the sound that the cutter has been disconnected from my computer and then does a write error port and i end up wasting so much vinyl i have tried multiple different usb cords i bought a serial cable and a adapter for my computer i have also tried using my other usb ports re installed the cut programs tried differnt cut programs the only thing i can think of its a defect in the machine its self can anyone help me with this issue or should i call ?