The dots are missing, Skin Care Mask ,Skincare Mask,Facial Mask Guangdong Yueji Cosmetics Co., Ltd , https://www.mask-family.com
2. The developer concentration is too high
3. The development time is too long
4. The development temperature is too high 1. Reduce the exposure time
2. Diluted developer
3. Reduce the development time
4. Decrease the liquid temperature and check if the plate processor temperature sensor fails.
Poor bottom density
2. The film graphic density is not enough
Excessive exposure
1. Raise the negative pressure of the suction plate while checking whether the plate-sinking machine is evacuated or leaking.
2. Copy the film again
3. Reduce the exposure time
2. Burning lamp aging
3. Insufficient development time
4. The developer temperature is too low
5. Developer failure
6. The bottom of the yellow or fog
1. Increase exposure time
2. Replace the new printing lamp
3. Increase the development time
4. Heat to 20°C-25°C
5. Replace the developer
6. Increase exposure time or reprint negative film
common problem
the reason
Approach
Dot reduction
Overexposure The layout is dirty
1. Underexposure