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| If you need a question answered that isn't covered on the site, please contact us on: 01635 255 552 |
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CONTACT US HERE WITH YOUR
PRINTING QUERY OR FOR REQUESTING SAMPLES
We will deal with your enquiry as soon as possible
You can also call us on: 01635 255 552 |
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Graphic Formats
I'll try to keep this as concise as possible as the subject would easily fill a book!
I won't get into the technical details of the different file formats. If you need to learn more about this aspect then a quick search in Google will yield numerous results.
Here are a couple to get started with:
http://www.dansdata.com/graphics.htm
http://www.bu.edu/webcentral/learning/fireworks1/introduction.html
Dealing with graphics depends on what you wish to use the graphic for.
For instance, if you are a web designer and your client has supplied you with a hi-res, 300dpi version of their logo, then the first thing you would do is 'optimise' this graphic, which basically entails knocking down the resolution to 72dpi (the standard monitor screen resolution) and adjusting the colour amount until you have a graphic that comes in around 20 - 30k in size. This, along with any other optimised graphics on a web page, has one purpose. To make the page load as quickly as possible.
With the printing process we are looking to achieve the opposite. i.e. the higher the starting resolution, the better. As a rule of thumb, we work to 300dpi. This figure isn't plucked out of thin air, but calculated as a percentage of line-screen used.
You are now probably thinking that you haven't been told anything worth knowing! Let's take a look at a few of the main formats dealt with in printing.
First of all, there are basically 2 flavours of file type.
Bitmaps and vectored images.
Bitmaps:
These are pixel-based files generated by programs such as Photoshop, Paint Shop Pro and in fact, any graphics program will output bitmap files with extensions (the 3 letters after the dot in a filename) such as:
*.jpg - *.tif - *.gif - etc.
Working with bitmaps - how many colours am I using?
How many colours to use? This is the most confusing aspect when working with bitmaps. Generally speaking, bitmap files cannot be colour-separated. (There is a way, but not used in everyday quick turnaround print jobs).
Colour-separated?
Firstly, you need to understand the difference between spot colours and process colours, see here: Spot Colour Printing. If you are only using 1 colour, or a 4 colour process (usually reserved for brochures/magazines or reproduction of colour photographs etc.) then creating a bitmap is fine, providing you have checked the resolution is ok.
If your goal is to have the job output using spot colours, 2, 3 or 4 perhaps, then creating a bitmap is not the best way forward. For this process you would ideally use a vector-based program such as Adobe Illustrator, Macromedia Freehand etc. (more info below).
If you are considering creating a bitmap to send for print then the most important thing before you start is to set the empty workspace in your preferred graphics program at 300dpi (dots-per-square-inch).
If you have already created some artwork below 300dpi please don't try to 'up' the resolution to 300 as this will only interpolate the artwork (add similar coloured pixels) which will increase the output size, but won't help the resolution. Unfortunately, you would need to start again!
Vector-based artwork
For spot colour work this is the preferred choice. File types are normally recognised by the extension .eps (not to be confused with a Photoshop .eps which is basically still a bitmap) .wmf, or .ai.
Vectored images are produced using a mathematical line description (I'm trying to keep this simple!) and as such can be enlarged to any size without distortion of the image. Also, the artwork can be edited very easily to make colour changes, line thickness changes etc. etc. An Illustrator/Freehand .eps file is easily colour-separated and has the added advantage of usually being much smaller than a bitmap of the same design. |
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I don't have a vector-based program. Can I send files in Word / Publisher / Powerpoint etc.?
The main problems with these type of programs is that initially, they are not aimed at the print professional. As you know, they can do a superb job creating in-house stationery, presentations etc. and printing directly to desktop machines. (Publisher has improved over the years and can produce acceptable results). One of the main downsides for instance is that if you insert an image in Word this is embedded as a pixel-based image at 72dpi (presumably to keep file sizes down) and consequently would give poor results if output to a high-resolution imagesetters (2400dpi + !).
These type of programs also tend to embed images as RGB instead of the CMYK format neccessary for professional litho printing.
As with most types of problems, there are of course workarounds. If your only way of sending your artwork is by one of these programs then please try and send (separately) an original version of any graphic used in the document. The text we can cut & paste, but once the graphic is embedded then we are often stuck with a low-res image. |
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Colour-separated?
Firstly, you need to understand the difference between spot colours and process colours, see here: Spot Colour Printing. If you are only using 1 colour, or a 4 colour process (usually reserved for brochures/magazines or reproduction of colour photographs etc.) then creating a bitmap is fine, providing you have checked the resolution is ok.
If your goal is to have the job output using spot colours, 2, 3 or 4 perhaps, then creating a bitmap is not the best way forward. For this process you would ideally use a vector-based program such as Adobe Illustrator, Macromedia Freehand etc. (more info below).
If you are considering creating a bitmap to send for print then the most important thing before you start is to set the empty workspace in your preferred graphics program at 300dpi (dots-per-square-inch).
If you have already created some artwork below 300dpi please don't try to 'up' the resolution to 300 as this will only interpolate the artwork (add similar coloured pixels) which will increase the output size, but won't help the resolution. Unfortunately, you would need to start again!
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Sending us your logo
Please try and send us (if available) the logo in its original format that was created by you or your designer. Logos/artwork used for web design are generally not usable due to the low-resolution involved.
If you have a tiff of the logo and find that the file size prohibits you from emailing it then you can quite easily make a jpeg (which compresses the file) as long as you save it with 'maximum quality' turned on.
Failing that, just zip the file and that should do the trick.
If you are not sure what to do, then please give us a call on:
01635 255 552 or contact us using the form found at the bottom of this page.
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Screen resolution / print resolution
Many people are confused as to why something may look great onscreen but won't print without the 'jaggies'.
Basically, a standard computer monitor has a resolution of 72dpi. Websites are designed at 72dpi for this reason.
For print we need 300dpi, so it follows that web graphics or any low-res file will give poor results when output on a hi-res device such as an imagesetter.
If the only image you have is on your website, then it will probably need redrawing at a higher resolution.
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You've just sent me a proof.
Why do the colours look wrong onscreen?
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Most, but certainly not all, print professionals use an Apple Macintosh system, often alongside a PC-based system.
The 2 systems use a different colour space and consequently colour images swapped between the two can display differently.
If you have provided the printer with the Pantone Colour reference no. you require then even though the proof onscreen may look wrong (too dark, too light etc.) don't worry as at the print stage the correct Pantone colour-matched ink will be used.
For colour work:- brochures/flyers/folders etc. we would normally supply a very accurate colour proof but this is too expensive for general stationery proofs. |
The pdf you sent me looks 'jaggy' onscreen. Why?
Can this be fixed?
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If you are using Adobe Acrobat Reader version 5.0 then try this:
Open Reader and goto:
Edit > Preferences (or just hit Ctrl K) Display >
Under the Smoothing section, tick all 3 smooth boxes.
Click OK. |
My designer has sent a pdf however, I need to make minor edits to the text before sending it in for you to print.
Can you help?
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Unless you have Adobe Acrobat, (which is quite expensive if you only need to make occasional edits), then some of the other alternatives can be problematical. For instance, Adobe Illustrator will load pdf's however, if you don't have the same fonts on your system that were used in the pdf, then you would need to go back to the originator of the pdf, and ask them to convert all fonts to outlines. But then, if you're doing that, the originator might as well make the edits! This may also be chargeable.
A much simpler, elegant solution is to get hold of a copy of Infix PDF Editor which, as the name implies, allows you to open and edit any pdf file (including press-ready), whether you have the font on your system or not.
It's quick, easy, reliable and a breeze to use. We use it regularly.
The main features:
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Works like a Word Processor
Make seamless changes to paragraphs
Copy and paste graphics, text and artwork between PDFs
Spell-check in five languages
Search & replace text in long documents
Familiar tab, margin and indent controls
www.iceni.com/infix.htm |
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I've just printed out the pdf you sent me.
Why does my artwork look smaller?
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On opening the print dialogue box please ensure the option
< No Scaling > is selected, otherwise your program may allow for print margins which reduces the size of the artwork. |
You've just designed my logo. Who owns the copyright?
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Once we have done any design work on your behalf that has been paid for then copyright is 100% yours. No argument.
We hear, with alarming regularity, of companies in our business that refuse to part with paid-for design unless an extra payment is received to release copyright. Personally, I think this sucks. One of our clients told us of the case where he was charged £150 for his artwork to be released and copied onto a CD!
Our simple policy is: if you have paid for artwork to be produced, then this belongs to you, and no-one else. End of story.
Quite often we need to re-design logos or create them from scratch and we are quite happy to email these to you or save to disk at no charge whatsoever, providing the account is up-to-date.
For more important information regarding copyright please see here:
< Copyright Information > |
I need to send you artwork, but it's too large to email.
What's the solution?
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Our main contact forms found through the website accept files up to 5Mb, whereas our main email accounts will accept files around the 10Mb size.
If your artwork is larger than the above options then just drop us a line and we'll set up a folder for you to upload to.
This also helps to stop the mail boxes getting blocked with large files and works well.
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Can I see samples of your work?
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Of course you can.
Use any of the following methods to request samples:
Use our quotation request form found near the bottom of this page.
Telephone Helen or Debbie on: 01635 255 552
or FreeFax us on: 0800 389 7262 |
Are the people at Castle Print & Design good looking?
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Are we good looking? You bet your boots we are!!
Just click here < Meet The Team! > for fantastic photos of us!! |
Business Cards
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Designing your own card?
Need a bit of help with the layout?
Covers the initial set-up, creating margins.
Dealing with bleeds.
Bleeds explained.
Layout and creating crop marks.
Using gutters to accomodate bleeds. |
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Mouse-over the headlines above to read a short description of each article. |
Company Terms & Conditions
Artwork related help files.
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