Ink jet printer for producing photographic prints, has edge detection sensor, and devices for applying digital masks to printed and coated images to prevent printing and coating beyond paper edges

摘要

The printer has at least one paper supply (12), a sheet transport mechanism with three transport belts (30-32), a rear side printer (26), a color ink jet print head (36), a paper edge detection image sensor (46), an arrangement (54) for applying a digital mask to a printed image to prevent printing onto a vacuum belt, a paper drier (48), a coating station (1000), a further edge sensor (1006), and a further arrangement (54) for applying a digital mask to prevent coating on a guide plate.