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想要获得专业的打印效果? Know ahead what you are trying to accomplish and the best method to implement your idea. 这些有用的建议将帮助你开始.
大小，出血和边缘
只要有可能，按尺寸设计. Whether you intend to print a banner or a postcard, always make sure your document is the same size as your intended output.
For example, if you are designing a 6” x 4” postcard make sure your document is 6” wide and 4” tall. If you want the colors to run to the edge of the paper, 被称为“流血”, you need to add an extra 1/8” to all four sides. So, in the earlier example of the postcard your file size would now be 6.25” x 4.25”, with the excess being cut off during the finishing process. 在设计, 你的文档是否有出血, be sure to keep any text or design elements that you do not want cut at least 3/16” away from the finished edges of your project. 再一次。, 使用或以6寸x 4寸明信片为例, you would want to keep all important information within an area of 5.625英寸宽× 3.625“高.
If you are working on a booklet, you should also design it based on the finished size of the booklet. If you want your booklet to be a half page size your document size should be 5.5英寸宽x 8.5“高. Please remember when designing your booklet your page count should be divisible by four. If your page count is not divisible by four you will have blank pages in your finished project. Typically we add the blank pages to the inside covers and back cover first (as long as it makes sense to do so). 但是，我们可以在任何你喜欢的地方添加它们. 当你提交你的文件打印, please give us a PDF with the booklet in the sequential page order sized to the finished size of your book.
图形
If your work is going to contain images and other graphic content make sure that it is high quality and does not violate any copyright laws. For best print results always ensure that the photos in your project are at least 300 DPI (dots per inch) and in CMYK. It is always better to use a larger image then scale it down, than to use a small image and scale it upwards. When unavoidable minimize the amount of upscaling as the image is likely to lose detail, 边缘参差不齐, or appear to be pixelated with rough graduations in tone and poor contrast.
If you are not using your own images there are several websites that host high quality, 免版税图像. 搜索这些类型的图像, enter your 搜索 followed by CC0 (which stands for Creative Commons Zero), these images are part of the Public Domain and can be used as you see fit. 例如, if you wanted a photo of a red panda your 搜索 string would simply be "red panda CC0".
另外, you may want to incorporate vector graphics into your design. 矢量图形与分辨率无关, meaning you can scale them to whatever size you like without loss of quality. 矢量文件通常以扩展名结尾 .ai, .每股收益,或者 .cdr; and can be incorporated into many different design programs. As with photos, you can 搜索 for Public Domain vector files by adding CC0 to your 搜索 string.
最后, when placing and resizing images always ensure you are proportionally scaling them, 为了避免压扁的脸和标志. In most design software this is accomplished by holding shift while you drag the mouse, just be sure to release the mouse button before releasing the shift key.
准备打印文件
Regardless of the program you use to design your project, always save your print file as a PDF. PDF files are best because it preserves your file the way you designed it, 以最好的质量. When saving your file to PDF there are usually several options for you to select. 这完全取决于你使用的软件, the settings may have different names but are generally called Press Quality or High-Quality print. 另外, if you designed your project with bleeds you may need to tell it to include the bleeds in the options. 然而, 请不要包括裁切标记, 颜色条, 登记标志, 或任何其他打印标记.
截屏图打印
如果你没有数字文件, copies can be made using a printed sample otherwise known as a hard copy. When duplicating from hard copy you will likely notice a shift in color and a general reduction in quality. This is an additive effect and the quality will continually decline with each generation. If you intend on reusing the print several times it is best to keep the original as your master to minimize quality degradation. 另外, copies can be either enlarged or reduced in size but are subject to quality loss as you enlarge. Also remember if your original is printed on a color paper, the color of the paper will affect your copies.