HP 3000CP - Manual (Page 160)

Controlling the Overall appearance of a Print
Changing Pen Widths and Colors Using the Internal Palettes
6-8
6 Scroll to the next pen number you want to change, press Enter and do steps 3
through 5 again.
7 When all pen definitions are correct, press Previous until you exit the menus.
IMPORTANT The palette you have just defined will take effect only when you select it to be
the current palette, as explained on page 6-4, To Select a Palette.