Simply increasing the operating speed and operating efficiency does not necessarily result in the best output quality. This article provides some experience in improving the output quality of the RJR century RIP. As we all know, the Founder Century RIP is a product for high-end color reproduction, with a rich network of points, gradual smoothing, comprehensive mesh, support for color management and other features. The above features of Founder Century indicate its ability to produce high-quality color reproduction. However, if it is not properly set, you may still encounter problems such as moiré and collision. According to my personal experience, as long as you master the following aspects of the skills, you can easily navigate the Founder Century RIP, access to high-quality output and printing.
Mesh/User Defined Mesh For offset printing (flat printing), it is recommended that you use the default settings of the Founder Century RIP - Circular Dots. The latest version of Founder Century RIP PSPNT 2.0 uses the latest technology for circular dot generation, further improving the output quality of circular dots. Square dots are not recommended for the printing process that is often used for frequently printed characters, because square dots cause jumps at 50%, affecting the restoration of skin color, which is determined by the characteristics of the square dots themselves. For screen printing, it is recommended that you select the Founder FM network in the Founder Century RIP and set the corresponding dot size as needed. For gravure printing, the Founder Century RIP recommends that you use a gravure mesh. The gravure mesh is a unique shape of the RIP of Founder Century, suitable for the gravure printing process. Tip: In order to achieve the gravure reduction function unique to gravure printing, when using the gravure mesh to set the linearization curve, be sure to select the "Direct input curve" option.
In the Founder Century RIP, there is an option of "user-defined hanging net parameters". Please carefully select this option when exporting. The grids provided by the Founder Century RIP have all been rigorously tested, and fine prints can be obtained when the output film is printed. If you select "Allow" in the "User-defined Custom Parameter", the Founder Century RIP will use the mesh form provided in the application to output it, which may result in a drop in print quality, and may even result in serious accidents such as moire and impact. . Therefore, any manufacturer's RIP does not promise to guarantee the output quality of the user-defined mesh. In addition, if you have chosen to print in the application, please be sure to set the “user-defined connection parameter†in the RIP of the Founder Century to “Not Allowedâ€, otherwise there will be 45 degree screen angles for the four color films. Hit the net accident.
Linear photosetters have different dot gain rates for different films. The AGFA image-setter does not need to adjust the linearization curve for some AGFA films, but if the AGFA imagesetter uses film from other manufacturers, it needs to adjust the linearization curve. This is not to say that the films of other manufacturers are not good, but such films. Does not match the AGFA imagesetter. In order to obtain higher quality, the dot gain rate of the film must be guaranteed within 10%. If the film fails to meet this requirement, it is better to replace other brands of film. In addition, after completing the linearization, it is necessary to confirm that the network expansion is within 1%. Only in this way, the output film can truly reflect the designer's creativity.
The output resolution/mesh can be distinguished by human eyes at about 256 levels. In order to ensure that the output film can reach 256 levels, it needs to be done (output resolution ÷ mesh) 2 = 256
That is, the output resolution ÷ mesh means that for the output accuracy of 2400 DPI, the highest output mesh is 2400 ÷ 16 0 mesh; for the number of hanging meshes higher than 150 mesh, it is better to use a higher resolution, theoretically Need 175 × 16 (00DPI, it is recommended to use 3,000 or 3600 output 175 mesh or higher than the required job.
The best resolution of the image Each image has a resolution. What is the appropriate resolution for the image in the group layout? For printing images, it is recommended to set the resolution according to the following formula. The best image resolution = 1.5 or 2 × number of hanging meshes For example: When the number of hanging mesh is 175, the best resolution is 300dpi or 350dpi, the minimum must not be less than 250dpi, otherwise the output of the image on the film may be Masek appears.
The gray scale of the hanging net increases the number of gray levels of the hanging grid, which can increase the output quality of the gradient, but the highest level should not exceed 1024 gray levels. After the level is higher than 1024, the quality improvement cannot be distinguished by the naked eye, but it is to the RIP. The speed of operation has a greater impact. Of course, you must set the "RIP Parameters/Picture Quality" option to "Fine" while increasing the grayscale level of the attached screen. Otherwise, the setting of the grayscale level will not work.
Tip: In software such as WITS, you can also set the gray level of the gradient. As in this case, it is recommended that the grayscale level set in Veace should not be more than 1024, because when the level is higher than 1024, it will have a greater impact on the running speed of the RIP.
In some cases, you may need to use FM network outlets. Founder Century RIP offers two types of FM outlets for you to choose from. The use of FM network points can obtain better printing quality, but because the printing process of the FM network is different from the amplitude modulation network, if you use the FM network outlet to output the film, you must inform the back of the printing process, such as printing, printing, otherwise, there will be Loss of dots when printing, leading to a bad quality of the print quality. Tip: The default dot size of the Founder Century RIP is 2×2. You can also adjust the dot size according to different printing process needs.
The RGB output printing process eventually uses CMYK four-color inks to restore all designs and ideas because the color gamut ranges of CMYK and RGB are not completely coincident, and theoretically it is possible to prove that RGB can express colors that cannot be 100% by CMYK. Ink reduction. Therefore, it is best to use only CMYK pictures for typesetting. For RGB pictures, it is recommended that you use design software to convert to CMYK, and then typesetting. If you receive files from your users that have already been placed in RGB images, it is recommended that you print as much as possible in the application to ensure that the color reproduction is as close as possible. If you wish to print in shades, it is recommended to use the color management (option) from Rheinland Century RIP for RGB to CMYK corrections. The Founder color management system uses Kodak's key technologies in color management to best achieve RGB color The restoration. If you don't want to print in shades, you can use the Founder Century RIP's built-in RGB to CMYK color correction. In this case, it is recommended to set the color correction file in Photoshop so that you can use Photoshop's color correction function to restore as much as possible. The color of the RGB image.
Hollow setting up the Founder Century RIP allows the user to customize the Hollow parameter, if you have set the Hollow parameter in the application, be sure to select the "Allow user-defined Hollow parameters" option when printing the mask, otherwise you set in the application Hollow parameters will be replaced by "black version is not empty", causing quality problems.
The density of the film density photosetter output film in the field between 4.0 and 4.2, you can get the best output quality. Tip: The minimum output density must not be less than 3.5. Factors that affect film density are: film type, exposure intensity, development time, and development temperature. Every time you replace a different batch of film, change the developer or fixer fluid, change the development time, and temperature, you need to re-export the test film and reset the exposure intensity and linearization curve. Tip: For a photo-setter that takes a long time, different density may occur at different positions on the same film. This problem is due to the aging of the laser tube and is not subject to RIP control.
Mesh/User Defined Mesh For offset printing (flat printing), it is recommended that you use the default settings of the Founder Century RIP - Circular Dots. The latest version of Founder Century RIP PSPNT 2.0 uses the latest technology for circular dot generation, further improving the output quality of circular dots. Square dots are not recommended for the printing process that is often used for frequently printed characters, because square dots cause jumps at 50%, affecting the restoration of skin color, which is determined by the characteristics of the square dots themselves. For screen printing, it is recommended that you select the Founder FM network in the Founder Century RIP and set the corresponding dot size as needed. For gravure printing, the Founder Century RIP recommends that you use a gravure mesh. The gravure mesh is a unique shape of the RIP of Founder Century, suitable for the gravure printing process. Tip: In order to achieve the gravure reduction function unique to gravure printing, when using the gravure mesh to set the linearization curve, be sure to select the "Direct input curve" option.
In the Founder Century RIP, there is an option of "user-defined hanging net parameters". Please carefully select this option when exporting. The grids provided by the Founder Century RIP have all been rigorously tested, and fine prints can be obtained when the output film is printed. If you select "Allow" in the "User-defined Custom Parameter", the Founder Century RIP will use the mesh form provided in the application to output it, which may result in a drop in print quality, and may even result in serious accidents such as moire and impact. . Therefore, any manufacturer's RIP does not promise to guarantee the output quality of the user-defined mesh. In addition, if you have chosen to print in the application, please be sure to set the “user-defined connection parameter†in the RIP of the Founder Century to “Not Allowedâ€, otherwise there will be 45 degree screen angles for the four color films. Hit the net accident.
Linear photosetters have different dot gain rates for different films. The AGFA image-setter does not need to adjust the linearization curve for some AGFA films, but if the AGFA imagesetter uses film from other manufacturers, it needs to adjust the linearization curve. This is not to say that the films of other manufacturers are not good, but such films. Does not match the AGFA imagesetter. In order to obtain higher quality, the dot gain rate of the film must be guaranteed within 10%. If the film fails to meet this requirement, it is better to replace other brands of film. In addition, after completing the linearization, it is necessary to confirm that the network expansion is within 1%. Only in this way, the output film can truly reflect the designer's creativity.
The output resolution/mesh can be distinguished by human eyes at about 256 levels. In order to ensure that the output film can reach 256 levels, it needs to be done (output resolution ÷ mesh) 2 = 256
That is, the output resolution ÷ mesh means that for the output accuracy of 2400 DPI, the highest output mesh is 2400 ÷ 16 0 mesh; for the number of hanging meshes higher than 150 mesh, it is better to use a higher resolution, theoretically Need 175 × 16 (00DPI, it is recommended to use 3,000 or 3600 output 175 mesh or higher than the required job.
The best resolution of the image Each image has a resolution. What is the appropriate resolution for the image in the group layout? For printing images, it is recommended to set the resolution according to the following formula. The best image resolution = 1.5 or 2 × number of hanging meshes For example: When the number of hanging mesh is 175, the best resolution is 300dpi or 350dpi, the minimum must not be less than 250dpi, otherwise the output of the image on the film may be Masek appears.
The gray scale of the hanging net increases the number of gray levels of the hanging grid, which can increase the output quality of the gradient, but the highest level should not exceed 1024 gray levels. After the level is higher than 1024, the quality improvement cannot be distinguished by the naked eye, but it is to the RIP. The speed of operation has a greater impact. Of course, you must set the "RIP Parameters/Picture Quality" option to "Fine" while increasing the grayscale level of the attached screen. Otherwise, the setting of the grayscale level will not work.
Tip: In software such as WITS, you can also set the gray level of the gradient. As in this case, it is recommended that the grayscale level set in Veace should not be more than 1024, because when the level is higher than 1024, it will have a greater impact on the running speed of the RIP.
In some cases, you may need to use FM network outlets. Founder Century RIP offers two types of FM outlets for you to choose from. The use of FM network points can obtain better printing quality, but because the printing process of the FM network is different from the amplitude modulation network, if you use the FM network outlet to output the film, you must inform the back of the printing process, such as printing, printing, otherwise, there will be Loss of dots when printing, leading to a bad quality of the print quality. Tip: The default dot size of the Founder Century RIP is 2×2. You can also adjust the dot size according to different printing process needs.
The RGB output printing process eventually uses CMYK four-color inks to restore all designs and ideas because the color gamut ranges of CMYK and RGB are not completely coincident, and theoretically it is possible to prove that RGB can express colors that cannot be 100% by CMYK. Ink reduction. Therefore, it is best to use only CMYK pictures for typesetting. For RGB pictures, it is recommended that you use design software to convert to CMYK, and then typesetting. If you receive files from your users that have already been placed in RGB images, it is recommended that you print as much as possible in the application to ensure that the color reproduction is as close as possible. If you wish to print in shades, it is recommended to use the color management (option) from Rheinland Century RIP for RGB to CMYK corrections. The Founder color management system uses Kodak's key technologies in color management to best achieve RGB color The restoration. If you don't want to print in shades, you can use the Founder Century RIP's built-in RGB to CMYK color correction. In this case, it is recommended to set the color correction file in Photoshop so that you can use Photoshop's color correction function to restore as much as possible. The color of the RGB image.
Hollow setting up the Founder Century RIP allows the user to customize the Hollow parameter, if you have set the Hollow parameter in the application, be sure to select the "Allow user-defined Hollow parameters" option when printing the mask, otherwise you set in the application Hollow parameters will be replaced by "black version is not empty", causing quality problems.
The density of the film density photosetter output film in the field between 4.0 and 4.2, you can get the best output quality. Tip: The minimum output density must not be less than 3.5. Factors that affect film density are: film type, exposure intensity, development time, and development temperature. Every time you replace a different batch of film, change the developer or fixer fluid, change the development time, and temperature, you need to re-export the test film and reset the exposure intensity and linearization curve. Tip: For a photo-setter that takes a long time, different density may occur at different positions on the same film. This problem is due to the aging of the laser tube and is not subject to RIP control.
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