Oki 1220n - Manual (Page 200)

ES 1220n Mac OS 9.x Utilities • 200
Change Printer Name/Zone
This will change the name that is stored in the PostScript interpreter
in the printer. However, this will not change the name displayed in the
Chooser - only the Admin Setup utility has that ability.
1. Access the function from the Utilities menu.
2. If available, choose the Zone required.
3. Rename the printer with the desired name and press Save .