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印刷前期需要准备什么工作你知道吗?
作者:admin 来源:http://www.sdhzyw.com 发布时间:2018-12-24 10:06:05 浏览次数:285
印刷是个环环相扣的过程,其中印刷前期的准备工作尤其重要,很多时候往往决定着印刷品质的优劣,为了减少印刷前期可能出现的问题,结合多年来我们印刷厂遇到过的案例,小编在此把印刷前期需要的准备工作汇总如下。
Printing is a link-up process, in which the preparation work in the early stage of printing is particularly important, and often determines the quality of printing. In order to reduce the problems that may arise in the early stage of printing, combined with the cases that we have encountered in Panyu Printing Factory for many years, the editor summarizes the preparation work needed in the early stage of printing as follows.
印刷前期需要准备的工作有哪些呢?
What are the preparations for the pre-printing stage?
印刷厂客户除了有部分是需要提供设计制作外,还有一部分客户是自备印刷文档的,由于对印刷的理解不一,经常发现有些文档不符合印刷的要求,很容易耽误工期甚至影响印刷的品质,其中常见的有5个方面:
Printing mill customers need to provide design and production in addition to some customers are self-printed documents, because of the different understanding of printing, often found that some documents do not meet the requirements of printing, easily delay the time limit and even affect the quality of printing, of which there are five common aspects:
1、文档的文件不齐全或不符合印刷要求:
1. Documentation is incomplete or does not meet printing requirements:
主要表面在文档缺少链接的图像文件,这在用Adobe Illustrator 、Adobe InDesign、Freehand等软件制作的文档时常常遇到。不符合印刷要求指的是图像分辨率较低,图像精度不能满足印刷的需要,印刷行业一般要求图像分辨率达到300dpi以上品质较好。可以说没有高质量的图像,就没有高质量的印刷品。
The main surface is the lack of linked image files in documents, which is often encountered in documents produced with Adobe Illustrator, Adobe InDesign, Freehand and other software. Failure to meet the printing requirements refers to the low image resolution, image accuracy can not meet the needs of printing, printing industry generally requires that the image resolution of more than 300 dpi good quality. It can be said that without high-quality images, there will be no high-quality printed matter.
2、文档图像颜色问题:
2. Document image color problem:
颜色问题是指忘记把所链接图片的颜色从 RGB 转为 CMYK,这种情况输出后的印版会出现色彩变化的现象。虽然现在主流的CTP输出机器对这方面已经大有改善,但还是有部分早期生产的CTP输出机器颜色转换变化较大,对印刷颜色要求严格的话简直就是一场灾难,建议图像文件用图像处理软件如Adobe Photoshop转换下保证颜色的准确性。

The color problem refers to forgetting to change the color of the linked image from RGB to CMYK. In this case, the printing plate will change color after output. Although the mainstream CTP output machines have greatly improved in this respect, some early CTP output machines have changed greatly in color conversion. If the printing color is strictly required, it is a disaster. It is suggested that image files be converted by image processing software such as Adobe Photoshop to ensure the accuracy of color.

3、文档缺少字体:
3. Documents lack fonts:
文档缺少字体的话打开后内容可能会发生位置变动情况,一般建议如文档定稿后全部转为曲线(outline)另存一个文件作为印刷文档。而如果需要印刷厂修改的话请提供字体,因为印刷厂不一定有客户文档的字体。
If the document lacks font, the content may change its position after opening. It is generally recommended that if the document is finalized, it should be converted to a curve (outline) and save another document as a printed document. And if you need to be modified by the printer, please provide the font, because the printer does not necessarily have the font of the customer's document.
4、文档Pantone专色方面:
4. Document Pantone Spot Color:
Pantone专色是指在印刷时,不通过印刷CMYK四色合成这种颜色,而是专门用一种特定的油墨来印刷该颜色,当Pantone专色转成CMYK颜色后,请客户确认是否会达到同样的效果,二者一般会产生一定的差异,部分Pantone专色转成 CMYK 后,按照印刷经验可达到接近的效果,可很多 Process Pantone Color是 CMYK 颜色调不出来的,这时候只能用增加专色的方法来解决了。
Pantone spot color refers to a specific ink used to print the color instead of CMYK four-color synthesis. When Pantone spot color is converted to CMYK color, customers are asked to confirm whether the same effect can be achieved. There are some differences between them. After some Pantone spot color is converted to CMYK, the similar effect can be achieved according to printing experience. Many Process Pantone Colors can not be tuned out by CMYK colors, which can only be solved by adding spot colors.
5、更后一个方面是老生常谈的设置好文档的出血位,一般成品外预留3mm的出血位就可以了。
5. The last aspect is to set the bleeding level of the document, which is the old saying. It's OK to reserve the bleeding level of 3mm outside the finished product.
印刷前期建议客户提供一份样稿供印刷厂作更后的校对,黑白彩色稿都可以,当然能提供印刷打样就更好的,可以更直观地看到印刷出来的接近效果,例如画册印刷、说明书印刷我厂都会要求印刷打样确认的。
In the early stage of printing, customers are advised to provide a sample for the final proofreading of the printing plant. Black and white color manuscripts can be used. Of course, it is better to provide printing proofing. We can more intuitively see the close effect of printing, such as picture album printing and manual printing. Our factory will require printing proofing confirmation.