After taking out photosensitive seal layer and seal draft that are suitable with the shell of photosensitive seal, user shall expose in the machine to make a seal surface and place it in the shell of photosensitive seal.

• 取出与章壳相配套的光敏印垫与印稿在光敏机内曝光制出光敏印面，并将其装入与之配套的光敏印壳内。