The Frog Blog
Technical Tuesday No.5: The Paper Plight
We are often asked about paper, so we’ve put together a blog post to answer some of your most commonly asked questions… What is Sustainably Sourced?The paper we use as our house sheets is labelled as being responsibly sourced. You can find out more about Leafletfrog’s sustainable printing here. What is silk paper?Silk paper has a smooth coating which has an attractive, upmarket sheen that gives vibrancy to your print. Examples where silk paper is used are leaflets, flyers, posters, ne
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7th Apr 2015
Technical Tuesday No.4: The Deal with Seal
How do you send my leaflets out so quickly? Don't they need time to dry?!Seal is especially important to our print due to our fast turnaround times...Our presses are sheet fed presses, meaning our paper is supplied as single sheets in large stacks. There are other similar machines which are web-fed, rather than sheet-fed, which have their paper supplied on large rolls.As the paper feeds through each unit of the press, the ink for each of the 4 CMYK colours is applied to form the c
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23rd Dec 2014
Technical Tuesday No. 3: Offset Printing
What is offset printing and how does the ink get on the paper?Once the printing plates have been processed (Technical Tuesday No.2), they are attached to the plate cylinders on the printing press. There is one of these in each single unit of the press as shown in the photograph below. Each of our Heidelberg printing presses has 10 units.8 plates are required for double sided printing and it is essential that they are correctly positioned on the cylinder so that
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11th Nov 2014
Technical Tuesday No. 2: From Plate to Print
Following on from 'Why CMYK?', here's how your artwork continues it's journey from plate to print!
Our RIP (Raster Image Processor) splits your artwork into its component colour parts Cyan, Magenta, Yellow and Black (CMYK), the 4 inks used by offset litho presses.
The images below show how the full colour example is split into the four component images ready to be transferred to printing plates.
We need 4 plates to produce single sided leaflets and 8 plates to produce double
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28th Oct 2014
Technical Tuesday No. 1: Why CMYK?
Are you fed up with the colours of your finished print looking different to how it looks on screen when you design it? Do you know the difference between CMYK and RGB?TRY THIS!Download and print this PDF on your colour printerand compare the printed colours on paper to the colours you see on your screen.Notice how the RGB (Red, Green & Blue) colours in the top row are luminous and vibrant on screen but less vibrant when printed.This is because standard screens and monitors produce colours in RGB
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21st Oct 2014