When a printing plate roller shaft, embossing roller shaft, drive shaft, gear and embossing associated important parts wear, loose, beating or sliding phenomenon resulting in nano imprint lithography process roll and embossing roll, the pressure instability, resulting in print layout and board contact is not normal, lead to paste version or local a scripture imprinted unclear problems cardboard printing surface. Through careful observation and analysis, find out the exact position of fault, take corresponding measures for treatment, repair of wear and tear, loose components, eliminating the fault phenomenon.