Typical Mistakes
How we see color is different topic but usualy we have several cases.
WYSYWIG
Wysywig or what you see is what you get is big myth in computer era.
Customer work on files and look on his monitor. Customer expect that what he see on his monitor printer must reproduce and if it's not it's printer fault.
There is several reason why you can't achieve same color reproduction on printing press as you see on your monitor. Mainly there is mistakes which fall in different categories.
Device fault
Cheap low quality monitor
Impromer monitor setup
Uncalibrated monitor
Software fault
Improper color setup in desktop application, typical mistake North America General Purpose 2
Invalid or legacy ICC profile selection, typical mistake SWOP Coated or Fogra 39 ICC Profile
Wrong softproof setup
Customer did not use softproof
Approvment of digital data in Email program
Usage of Acrobat Reader insted of Acrobat Pro
Software bug in desktop application.
Document elements
Usage of thin line instead of exact line weight
Usage of artifical Bold and Italic
Wrong colorspace space RGB instead of CMYK
Usage of 4 color in text C=50, M=50, Y=50, K=80
Usage CMY in text instead of K
Small size of text 8pt in negative
Gray color build with CMY, i must say sometime it works, but it's very hard to avoid variation during print run
Overprint white
Combine image and vector elements from different desktop application on same page. For example combine
gray color CMY=75,62,60 in Photoshop and put on background InDesign. Sometime works but sometime not.
Document format
Wrong image format, gif, png
Wrong image size, low resolution or too high image resolution
Wrong image color space, RGB instead of CMYK
Wrong document colorspace RGB instead of CMYK
Too high sum of inks, typical mistake is content with C=100, M=100, Y=100, K=100
Usage of Pantone C color library and product is printed on uncoated media.
Document exchange
Wrong PDF export setup, typical mistake is AdobePDF preset PressQuality
Thanks to our Workflow system we can detect most of this mistakes. Some of this we can fix but for smooth cooperation please follow our guidelines and recommendation