Pre Press Process
From layout to before Printing, activity called Pre Press Process. There are various activity made by designer and processor. Obviously, offset printing process basic set-up cost is very high so avoid to reprint job, there are various parameter we must follow as, well as
A. Designing & Typesetting
B. Proof-Reading
C. Printing Colour Density
D. Color Registration (CYMK & PANTONE)
E. Text
G. Bleed
H. Image and content conversion other CYMK format
I. Making the plate DPI, Color Contrast, Printing Dots etc.
Above mentioned points are very important role itself and it is run on pipeline work pass through the various channel to fix the problem
Plate making is a major part of the pre-press method as text and image transfer onto aluminium plate as we make artwork final print comes What
Fix up dot depends on the quality of the paper smoothness, and colour fixup density on the substrate, for non coated paper for envelopes dot required 150 and coated required 175 dots such as multicolour brochure it also depends the quality of the printing machine to machine want to run your job.
While placing the image to burn plate to keep in mind the resolution of the image that must be according to the parameter to see the good quality image in final print after press work. if there are several images all of them have to change in CMYK colour format to avoid colour variation in the print job.
Bleed, if all text and images are not in alignment from the border area as we required minimum 3 mm bleed extra outer side from text and images used for printing in the product, it may be caused in the final trim cut out after post press job.
If this job reference to the small tag after the press have separate into several parts, fold each part have to make the gap as per guideline marking 0.4″ separation otherwise all piece will not be equal.
if there are any special colour in print run have to separate selecting pentone as golden, silver, or any special that helps to print registered colour as brand or logo that is copyright for the particular company or organization.
Is it necessary to decide paper quality before pre-press?
Acheive relevant result we should decide paper quality as well as smoothness of paper, coated or non coated, available size etc.
What % Dot Should be Keep to Get Finest Print Quality?
To get fine quality print keep Dot 175%, make sure printing machine should be adoptable.
What it effected on offset printing when we use textured paper printing?
Usually, in offset printing, transparent ink is used when it occurred on the substrate due to the uneven surface ink missed in the grain and result come inferior, avoid smaller letter, solid patch and images
What colour ratio should be to Z Black Colour Output?
If you are following the Offset Printing Process systematically result would be oriented. As it is known there are only four basic colour CYMK where C stands for cyan, M for Magenta, Y for Yellow, K for black to get 100% black colour. We must have to add. C30, M20, Y20, K100 colour ratio.
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