Apple LaserWriter 12/640 PS - Manual (Page 257)

Turning the startup page on or off
The LaserWriter 12/640 PS normally prints a sample page when you turn the
printer on. This page shows the printer’s name, the total number of pages
printed, the amount of memory, installed options, and communication
settings. You can turn this feature off if you wish.
1 Open the Startup Page category.
The Startup Page panel appears.
2 Click the checkbox to turn the startup page on or off.
When an X appears in the checkbox, the printer is set to print the startup page.
3 Click Send to send the startup page setting to the printer.
257 Setting the Printer Default Settings