We use a Datasouth Documax A3300 Matrix Printer to print Insurance claims. Everytime when it beeps, it will shift the starting point 2 inches right on every row. The characters will not fill into the preprint sections when the shifting happen. Amazingly some claims came out perfectly but some did not. It was so random.

Office Equipment & Supplies - AMT - Datasouth Documax A3300 Matrix Printer