1. Check the completeness of required information
A. Information of layout/word/color/dimension(drawing)
B. Design/plate making(modifying)
C. Film test table
D. Carton box/ trademark card 2. Whether each film is clean 3. Whether the film has scratches 4. Whether there is a lack of Corner mark 5. Whether the page and word are correct 6. Corner marks and accuracy of overprint of the color plate 7. Whether the figure is complete 8. Correctness of the dimension 9. Whether it bleeds 10. Whether there is color separation error in each color plate 11. Whether the grip position and places around film have: Product name (and output lot number), dimension, color batch, output date, producer code, color correction stripe.