OFFSET PRINTING

 
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Offset Printing

The comprehensive all-rounder! Need a partner who will realise medium or large print runs? Expecting constant colour values and a high-quality finish? Newprint’s offset department is what you’re looking for.

Production in offset printing allows us to reliably produce large runs for you. Using special colors (Pantone, HKS), we can guarantee consistent print results. Unlike most online print shops, we are able to offer all special colors in order to perfectly match your corporate identity.

Our diverse range of refining options allows for a vast number of ways to visually and haptically upgrade your product. Make it stand out with an eye-catching varnish. Give it that certain je ne sais quoi with foil laminations and embossings!

For individual advice on all your printing needs, please contact us at +49 30 / 48 48 23 23

Print runs
  • Suitable for large quantities
  • From approx. 1000 copies
  • varies from product to product
Finishing Services
  • Binding
  • Drilling
  • Folding
  • Grooving
  • Perforating
  • Die-cutting
  • Rounding Corners
  • Stapling
Refining Services
  • Dispersion Coating
  • Relief Varnish
  • Spot Varnish
  • UV-Coating
  • Cellophane Lamination
  • Hot Foil Embossing
  • Lamination
  • Relief Embossing
  • Deep Embossing
Advantages
  • Spot colours and special colours
  • Dimensions > 32 cm x 45 cm
  • Thick substrates of over 300g/m²
Disadvantages
  • Longer production runs
  • No personalised printing possible
  • Cost-intensive for small quantities

About Offset Printing

In offset printing, the image is transferred from a printing plate via a blanket cylinder onto the paper. New plates are needed for every page.

 

How does offset printing work?

“Offset” in this case means “to imprint” or “to impress”, indicating an indirect process (flat printing) in which the printing plate does not come into contact with the paper.
In offset printing, each colour has its own cylinder (its own printing unit), which is equipped with the appropriate printing plate. Usually, there are four such cylinders for standard colour printing: Cyan, Magenta, Yellow and Keycolour (Black), short CMYK. Special colors or protective coatings each require their own additional printing unit.
In the printing unit, the ink is passed onto the drum with the printing plate, which in turn leaves an inverted imprint on a rubber cylinder. The process of the ink transfer makes use of the fact that water and greasy inks repel each other. First, the printing plate is pre-treated in order for the ink to adhere to the lipophilic (fat-loving) surfaces. On the other areas (hydrophilic areas), it does not adhere and is repelled. Thus, you can control exactly where colour is applied and where not. Set in rotation, the rubber cylinder transfers the print-image onto the paper (substrate), which runs through the machine either in a web or in sheets.
 

When does offset printing make sense?

Offset printing, unlike digital printing, involves pre-printing costs. For each colour, a separate printing plate has to be created, there are set-up costs for the machine and it takes a certain amount of time until the print is colour-stable. When calculating a price, these pre-printing costs must be taken into account, which is why offset printing is more convenient for larger print runs. As a “rule of thumb”: It makes sense for runs beginning at about 1,000 copies – although this may vary from product to product.
 

What is possible in offset printing?

Although a wide range of materials, spot colors and finishing options can be employed in offset printing, each set of printing plates can only produce one single image at a time (but any number of copies). Therefore, this method is only suitable for identical prints. Personalised content (in image or text) must consequently be produced in digital printing. It may however be useful to combine both methods.
 

Web offset

Essentially, two methods can be distinguished in offset printing: sheetfed offset and web offset. Which of those methods make sense for a job basically depends on the desired overall quantity.
For very large runs (“rule of thumb”: from 50,000 upwards), web offset is usually the method of choice. As the name implies, paper webs come from “endless” rolls. Both sides are printed on in a single run. The machine folds and cuts the resulting strands inline. However, web offset has limitations regarding the variety of materials, product dimensions and finishing options. Its main advantage lies in very low production costs for products such as newspaper supplements, magazines, brochures or leaflets – in high volumes.
 

Sheetfed offset

For medium runs, sheetfed offset is the most common printing method. Here, pre-cut paper sheets (usually in standard format 70x100 cm) are being processed in a planographic printing process. A wide variety of different substrates (with weights up to approx. 350g/sqm) can be used. Special colors (Pantone, HKS) and varnish are easy to add. Further processing steps such as grooving, perforating or slitting can be carried out inline in the printing process after the appropriate set-up. All possible finishing options are available post printing as the product finds its final form (e.g. a silk-touch saddle-stitch brochure or an eye-catching die-cut folder).