The black-and-white line drawing, which is black and white non-consecutive manuscripts (normal texts are also black and white lines), has a large proportion in today's offset printing business, especially illustrations and comic books for children in mathematics and chemistry textbooks. The application is more extensive. Traditional crafts are mostly copied with large cameras, then revised, copied, collaged (or imposed). With the advent of electrostatic copiers, scanners, computers, typesetting software, laser printers, imagesetters and the continued application in the field of printing and platemaking, traditional processes have been strongly impacted. Now that the information age has appeared before us, the black-and-white line drawing will also be transferred from the manual ink draft to the computer drawing. The application of the camera in the plate making will surely end in life and complete its historical mission. The following describes the platemaking process of common black and white lines in offset printing as follows:
one. The traditional platemaking process usually uses black ink or better-quality printed matter to photograph, modify, copy, and fight (or make up) the plate. Although the film made by using this method can meet the printing requirements, it has a long plate making cycle and high production cost. When the graphic and text are combined, the operation is complicated, and the camera requires a darkroom operation. For the general small and medium printing companies, there are not many camera devices. .
two. Small Offset Platemaking Process For printing operations where the batch size is small and the printing requirements are not very high, such as data compilation, a small offset printing is used, and its plate making method is generally based on a copying machine to directly copy the paper base plate (zinc oxide). . This method has a low cost of making plates, and it only requires a few yuan for the 8th edition, but the number of prints is limited, the imprinting is not true, and the copier toner cartridge must be relatively new to obtain the general effect of small offset printing.
Third, the modern plate making process can produce higher quality layouts for scanners, computers and their typesetting software, and laser printers for large volume, high printing requirements, and large number of print jobs.
1. Selection of equipment for the black-and-white line plate, the scanner can use flat black and white or color scanners such as: Tsinghua Unisplendour Uniscan4A color scanner, the interpolation resolution of 4800dpi; computer can choose 486 grade models; typesetting software WYSIWYG's Chinese version of PageMaker5.0 or Founder's Fit integrated layout software can be used; laser printers can be used with the 600-point HP series models.
2. Several common platemaking methods:
1 Printed drafts with characters as the main part of the black and white line drawings can be scanned into the computer using a scanner, and then the text part of the printed version of Tsinghua Unisplendour's OCR5.0 English-Chinese mixed printing and word recognition system can be converted into text, and then typeset again. After splicing, modifying and correcting with the line diagram, and then output through the laser printer.
2 Black-and-white prints, mainly line drawings, can be scanned and input by a scanner, and contrast can be controlled by scanning software to achieve the best results. Using computer typesetting software, the text in the original text can be translated and re-entered. The original text is overwritten and the sulfuric acid paper is output by a laser printer after proofreading. This method is particularly convenient for the translation and publication of children's comics.
3 Ordinary black ink is scanned with a scanner, entered and corrected by the graphics software and corrected with the input text, and the sulfuric acid paper is output by a laser printer.
one. The traditional platemaking process usually uses black ink or better-quality printed matter to photograph, modify, copy, and fight (or make up) the plate. Although the film made by using this method can meet the printing requirements, it has a long plate making cycle and high production cost. When the graphic and text are combined, the operation is complicated, and the camera requires a darkroom operation. For the general small and medium printing companies, there are not many camera devices. .
two. Small Offset Platemaking Process For printing operations where the batch size is small and the printing requirements are not very high, such as data compilation, a small offset printing is used, and its plate making method is generally based on a copying machine to directly copy the paper base plate (zinc oxide). . This method has a low cost of making plates, and it only requires a few yuan for the 8th edition, but the number of prints is limited, the imprinting is not true, and the copier toner cartridge must be relatively new to obtain the general effect of small offset printing.
Third, the modern plate making process can produce higher quality layouts for scanners, computers and their typesetting software, and laser printers for large volume, high printing requirements, and large number of print jobs.
1. Selection of equipment for the black-and-white line plate, the scanner can use flat black and white or color scanners such as: Tsinghua Unisplendour Uniscan4A color scanner, the interpolation resolution of 4800dpi; computer can choose 486 grade models; typesetting software WYSIWYG's Chinese version of PageMaker5.0 or Founder's Fit integrated layout software can be used; laser printers can be used with the 600-point HP series models.
2. Several common platemaking methods:
1 Printed drafts with characters as the main part of the black and white line drawings can be scanned into the computer using a scanner, and then the text part of the printed version of Tsinghua Unisplendour's OCR5.0 English-Chinese mixed printing and word recognition system can be converted into text, and then typeset again. After splicing, modifying and correcting with the line diagram, and then output through the laser printer.
2 Black-and-white prints, mainly line drawings, can be scanned and input by a scanner, and contrast can be controlled by scanning software to achieve the best results. Using computer typesetting software, the text in the original text can be translated and re-entered. The original text is overwritten and the sulfuric acid paper is output by a laser printer after proofreading. This method is particularly convenient for the translation and publication of children's comics.
3 Ordinary black ink is scanned with a scanner, entered and corrected by the graphics software and corrected with the input text, and the sulfuric acid paper is output by a laser printer.
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