This can be done from the Novell server console if you have direct access to the server or remotely by using Remote Manager.
To rename an iPrint printer using Remote Manager:
1. Open a web browser and go to https://<AdminserverIP>:8009 and login using your full context username
2. Click Continue to this website (not recommended).
3. Manage Server
4. Console Screens
5. NDPS Manager
7. Select the printer you want to rename
8. F3 to rename printer
9. Rename printer and press Enter
The renamed printer will be automatically uninstalled and reinstalled with the new name on any workstations it is currently installed on. In some cases it may require a workstation restart.