Ricoh Aficio SP C820DNT1 Design Guide - Page 49
Printing Encrypted Image Data
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Print Controller Design Guide for Information Security Server is selected as the print job, the necessary bibliographic information for the document is stored in the HDD along with the image data itself. This information and data is preserved even when the machine main power is turned off. • The user ID can be registered in the printer driver UI, which machine operators can then use as a unique marker for documents to differentiate them from one another. Once a user ID is registered, it is used for the Sample Print, Locked Print, Hold Print, and Stored Print printing methods, and also appears in the printing history. In addition, it is also possible to set the passwords for Locked Print and Stored Print documents as well as the username and password for Document Server documents. • Once the necessary username and password have been set in the printer driver, it is possible to perform User Authentication when sending data to the MFP/LP. The username and password are sent along with the printing data as authentication data. If authentication fails, the printing data sent to the MFP/LP is destroyed and the job is cancelled. • The print job history is stored in volatile memory and is therefore deleted when the MFP/LP main power is turned off. The information stored includes the username, number of pages, the time the print job was performed, and job status/results. The print job history can be accessed from SmartDeviceMonitor for Client, which retrieves the information via a Ricoh-original MIB over an SNMP connection. *1: The "print management data" is managed and maintained by the Printer function itself, and contains information such as the size of the paper for printing, job settings (simplex or duplex, etc.) and general job data (time, username, etc.). This is not the same as the "page location data" for the image data stored in the HDD. Printing Encrypted Image Data • With PDF Direct Print, it is possible to print out an encrypted PDF file. The password is registered in the Printer function via WebImageMonitor or the MFP/LP operation panel, or is set inside DeskTopBinder (incl. the Function Pallet). When the printer receives the file, the printer language processing subsystem (PDF interpreter) temporarily stores the file directly to the HDD. Once the file is recognized as an encrypted PDF file, the password registered in the MFP/LP is compared to the password sent along with the file. If they do not match, the data itself will not be decrypted correctly, causing an error to occur and the job and data to be erased. If they do match, the data will be decrypted correctly. After this, the decrypted data is converted to image data, stored to the HDD and then follows the normal process described above. Page 49 of 86