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Image file requirements for labels flexo printing.
Essential information are to be taken into consideration when preparing files for digital imaging:
We operate the following programs:
- Adobe Photoshop
- Adobe Illustrator
- Corel Draw
- ArtPro
- PackEdge
Type:
Take care that all types are attached to the artwork or changed into curves.
Photos and bitmaps shall meet the following requirements:
- if possible non – vector components should be attached separately, preferably in psd format with layers, channels and selections preserved
- single-bit bitmaps in 800dpi resolution are required
- photos in 300 dpi resolution are required
- do not scale bitmaps in layout program
- do not submit text in Photoshop or other bitmap program
Other components:
- detached lines: min. 0,1-0,2 mm and negative lines: min. 0,2-0,3 mm are required
- if possible, avoid creating text in counterpoint in more then one separation , if not, left inner letter edges min. 0,1 mm in one separation (other colors are going to be withdrawn)
- Min. required line width for „non printed” color texts (with a selections underneath) is 0,4 mm. A printing tolerance for light letters and dark background is 0,1-0,2 mm; as to the dark letters – they should be overprinted or trapping should be considered.
- While designing 0% gradient (usually descending to the white) consider that 1-2% screen dot increase optically up to 8-12%, as a result in printing process with a use of regular dot graticule an edge (a fracture) is visible
