Xerox DocuPrint 4635 Laser System Generation Manual

Xerox DocuPrint 4635 Laser System Generation Manual Manual pdf 40 page image

SYSGEN AND SYSGEN-RELATED PROCEDURESPerforming an offline update sysgenWhen to use An offline update sysgen is normally performed for the followingpurposes:• To add major new features to the existing operating system• To replace the existing version of the operating system with anew version.No disk format required System disks are not formatted prior to an update sysgen, souser files need not be backed up as long as there is sufficientroom on the disks to generate the new system.Choosing a sysgen command• The SYSGEN command updates system files from a systemsoftware tape (SST) or cartridge, and gives you the option ofmaking configuration changes, deleting the accounting file,and recompiling the font files.• The AUTO command updates system files from either a SSTor a SSC. It enables you to recompile the font files. There isno configuration update, and the account file is savedautomatically.Note: If you invoke any one of these commands after aFORMAT command, a full sysgen is performed.Offline update sysgen procedure summary1. Load the sysgen processor into main memory. If you areinstalling a new version of the operating system, make sureto load the new sysgen processor.2. Install the new OSS using either the SYSGEN or AUTOcommand.3. Apply patches.Note: An update sysgen resets the patch history file.4-12 XEROX 4635 LASER PRINTING SYSTEM—SYSTEM GENERATION GUIDE