Ricoh InfoPrint Pro C900AFP InfoPrint Manager - Page 250
Types of CMRs, Color conversion CMRs
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Note: CMRs can vary in size from several hundred bytes to several megabytes. If your print job uses relatively few CMRs, including them in the print file might not have an impact on the performance of your system. However, if your print job uses more than 10 CMRs, the size of the print job can increase so much that file transfer rates and network traffic are affected. v CMRs can be stored centrally in a resource library, so you do not need to include them in every print job. You can configure all your print servers so they can access the CMRs. v For the print server to find CMRs, the resource library must be listed in the AFP resource search path on the print server. CMRs are different from other AFP resources in these ways: v You cannot copy CMRs into a resource library as you can other AFP resources. To store CMRs in a central resource library, you must install them by using an application such as AFP Resource Installer. v CMRs and data objects must be stored in resource libraries that have resource access tables (RATs). AFP Resource Installer creates the RAT when CMRs and data objects are installed. We recommend that CMRs and data objects be installed in separate resource libraries and that you store resources that do not require RATs (such as form definitions, page definitions, and overlays) in other resource libraries. v CMRs installed in a resource library can have names longer than 8 characters, and you can use the names in the print data stream. These names are created when you install the CMR by using AFP Resource Installer and are UTF-16BE encoded. Types of CMRs Different situations call for different types of CMRs. Some CMRs are created by product manufacturers so you can download and use them, while others are created by your printer or other color management software. If you have the appropriate information, you can also create CMRs yourself. Some CMRs are used to interpret input files (similar to the function performed by ICC input profiles), while others are used to prepare the final print job output for a specific printer (similar to the function performed by ICC output profiles). Color conversion CMRs: Color conversion (CC) CMRs are used to convert colors to and from the ICC profile connection space (PCS), a device-independent color space. You can use them to prepare images for color or grayscale printing. Color conversion CMRs are an essential element of any AFP color management system because they are ICC profiles encapsulated in AFP structures. The AFP structures add information that your color management system can use, but it leaves the ICC profile unaltered. You can use color conversion CMRs to produce consistent colors on different devices. In a color system, they help ensure that the colors on your monitor are as close as possible to those that are printed. If you move the print job to a different printer, the colors are adjusted again to match the new printer. In a grayscale system, color conversion CMRs map colors to appropriate shades of gray to produce high-quality black and white images. 232 InfoPrint Manager for Windows: Procedures