is an Oklahoma City-based, family-owned leading provider of office technology solutions to small and medium-sized businesses in Oklahoma and Kansas. Black Office offers production printing and finishing solutions of all kinds for your print needs, as well as fulfillment services, presort, self-service color and black and white copy walk-in services quick turnaround even during the busiest of times. If not, give us a call at (405) 974-2301 or send us an email at blog: How to prepare a project for printing Hopefully, you found this helpful as you wade through the alphabet soup of file types as they relate to printing. As you may have guessed, the PNG is a raster file. Due to its lower quality however, it’s typically not used in the printing environment. Also, unlike the JPG, the PNG supports transparent backgrounds, making easy to use for websites with varying background colors and textures. When it comes to images on the web, the PNG (.png) file format is very popular due to its low resolution and smaller file size (both qualities lending to faster page load times and such). This files type does not support transparent backgrounds.Ħ. At 300 ppi, a JPG is great for printing, but at 72 ppi, it’s only do for the web or email viewing. A 72 ppi image cannot be made higher resolution. If it was created with a resolution of 300 ppi (pixels per inch), the resolution can only be 300 ppi or less. As a raster file, it’s resolution is locked. JPGs are probably one of the most common image files you see. Just like how an AI file can be opened only by Adobe Illustrator software, a PSD can only be opened by Adobe Photoshop.ĥ. This is usually used by photographers, printers, creatives and designers. This type of file is created in Adobe Photoshop, Adobe’s image editing software. Now we are getting into the raster files. These can be shared, viewed and printed with their formats locked as they were designed. While the EPS file as a vector file is more flexible than an AI file, a PDF is even more adaptable, being able to be opened by any software capable of reading PDF documents. Unlike the AI file, the EPS is can be opened by many different kinds of image-handling software, making it easier to share than an AI file. eps file and then can be sent to a print shop, to a sign maker, or to a promotional product company. For example, a vector file created in Adobe Illustrator can be saved as an. Where AI files are used in the creation of vector artwork, EPS files are the completed vector files ready to be used or sent elsewhere for use. AI files, though, are proprietary and thus can only be opened by and manipulated by Adobe Illustrator. Logos, for example, are often generated as AI files as they will need to be used in various sizes of media, on everything from business cards to billboards. So now that you know the difference between vector and raster files, let’s tackle the kind of image files you see the most in a print shop.ĪI files are vector files often used by print shops, creatives and graphic designers to produce graphics which may need to be resized without loss of image quality. Unlike a vector file, with a raster file, as you zoom into it, or enlarge it, the image will eventually turn into pixels, lines no longer being lines, but made up of squares and details becoming blurry in appearance. The downside to this file type is vector files tend to be very large and can eat up memory.Ī raster file is a graphic file with a fixed size, resolution and image quality. These kind of files are preferred by graphic artists and printers as they can resize the images for billboards, banners, vehicle wraps and so one without loss of image quality. This is done via mathematical statements defining certain points where lines begin and end. If you keep zooming into it and you never see the image break up into square blocks or see lines become pixelated, that is a vector file. You can tell whether an image is a vector or not by enlarging into it on your computer screen. Vector files are graphic files that can be resized without loss of resolution or image quality. All image files can be lumped in two categories: vector files and raster files. So here is some help on alleviating some of that confusion.īut first, before we tackle all those letters and abbreviations, let’s clear up something about image files. eps and so on, it’s easy to get confused on what these are and what they do. These files though have all different names and file extensions. Some files are sent ready for print, other files maybe requiring some tweaking and yet others are components to be assembled into something being made ready to print. Running a print shop, every day we receive files. By Kristofer Russell, Production Manager at RK Black Office
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