| 1.Reversing roller adjusting knob | 2.Control panel | 3.Feeding roller |
| 4.Reversing roller | 5.Dry ink roller | 6.Feeding out roller |
| 7.Printing roller | 8.Photoelectric sensor | 9.Conveyer assistant roller |
| 10.Pressing plate | 11.Conveying belt | 12.Guiding plate |
| 13.Adjusting bolt of guiding plate |