The main issues in the prepress output check

1. Overprint and overprint color; pay attention to whether some black text and lines are set overprinting (separation inspection is hollowed out), black text with a monochrome black, to avoid the emergence of four-color text; In addition, if it is manually adde

The Influence of Platemaking on Overprinting

1. Imposition (Since the use of CTFilm is becoming more and more widespread, the problem of overprinting caused by imposition has become less and less, but it is still very common in manual imposition). The problems that usually arise can only be re-engraved an