Other than over-saturating your paper on press or creating a document that has visibly different tones of black than you were expecting, the main headache caused by choosing the wrong black happens in terms of setting type. It's generally not recommended that you use a completely saturated level of all four colors (where C: 100, M: 100, Y: 100, K:100), as this can over-saturate the paper on press and will certainly give the press operator trouble. If you are intentionally doing so, make sure to ask your printer which variant of rich black they like to use on press, usually referred to as "warm black" or "cool black," where there are higher levels of either magenta or cyan, respectively. It's likely that Photoshop will be the place you find this difference most often if you're not intentionally trying to give a piece of your design a darker, richer tone than you get with plain black. Rich Black / Full BlackĪs stated before, there are several variants of rich black, but what's important to know when you're designing is that the Photoshop default for black is different than other programs (where C: 75, M: 68, Y: 67, K: 90). When you use black in a program like Illustrator or InDesign without choosing a Pantone color, the CMYK breakdown automatically defaults to C=0 M=0 Y=0 K=100, where black is fully saturated and the other three are completely absent. If you've ever created an image in Illustrator that contained sections of black, and later placed it into a Photoshop document where the image sat on top of a black you chose from the color palette in Photoshop, it's likely you've seen this disconnect. Interestingly enough, there are actually several different types of black when it comes to printing, but the two most widely used terms are "plain black" and "rich" or "full black." Keep in mind, "rich black" has several variants, depending on your printer's preference. One of These Blacks is Not Like the Other Always be sure that each of your images is set to at least 300 dpi before sending them to your printer, or you'll be sadly disappointed when a gorgeous photo you spent hours editing turns out blurry and pixelated once it's in your hands. Surprisingly, this is a consistent issue prepress operators face in handling images. It shouldn't have to be said, but 72 dpi (dots per inch) will not produce a quality image on press like it will online. This not only takes more time for a prepress technician, but leaves you unsure as to how your color will turn out once on press. Any images that you leave in RGB mode will have to be translated into CMYK by your prepress operator before going to print. While RBG offers a greater color range and works well in designing for implementation online, it doesn't cut it when going to press. Get the Mode Rightįirst, always make sure that each and every photo or image you include (both raster and vector) are in CMYK format and not RGB. Spot colors, standardized by the Pantone Matching System®, are also available in offset printing, but know that when creating your documents, you need to be sure of two basic image guidelines. Offset lithography is a process that uses a combination of four process colors, cyan, magenta, yellow, and black, generally noted as CMYK, to produce full-color images. Now if you do a Preview in the program you should see your imported registration marks around your design.While other printing processes like letterpress or screen printing are great options for producing your work, this article will discuss offset lithography printing specifically, which is the more standard means of producing most any printed work in mass quantities. SVG and import that into Sure Cuts A Lot or eCAL. In order for Sure Cuts A Lot or eCAL to recognize the rectangle is for registration marks and not just a normal rectangle shape, you will need to rename the layer name so that it ends in. The 4 corners of the rectangle will be the spots where the registration marks will go when it is imported into Sure Cuts A Lot or eCAL. To add registration marks, you will need to add a rectangle around your design to specify the bounding box for the registration marks. The following example is using Adobe Illustrator. If you need to print your design outside of Sure Cuts A Lot or eCAL, you can add the registration marks manually. If you are doing a Print+Cut, normally you create your design layout in Sure Cuts A Lot or eCAL and it will automatically add registration marks around your design.
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