Pentax PocketJet 3 - Manual (Page 45)

Printer Commands (Function Buttons)
See the buttons across the bottom of the window.
Test Page:
You can print a test page using the Configuration Utility or you
can print test pages using the Main Switch (see “Self Test
Feature,” page 56).
Clicking on ‘Test Page’ will print a page showing the current
printer configuration and image quality verification graphics.
See illustration below.
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