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HP Designjet 750C and 755CM Printers - How to Change Pen Widths and Colors Using the Printers Internal Palettes

Changing pen widths and colors using the printer’s internal palettes
The printer has three available pen palettes. The factory palette cannot be changed. You can, however, change the line width and color settings for each pen in the remaining two palettes (called palette A and palette B). Initially, all three palettes are identical. Each palette has 16 pens* which can include pens of different widths and any combination of the printer’s internal 256 colors.
  note:
Remember that "logical" pens are being discussed here.
To see the current Palette settings
  1. Make sure either a roll or a sheet of media is loaded.
  2. Make sure that the front-panel Color/Mono switch is set to Color.
  3. Print the Current Configuration Plot, by pressing the UP ARROW and DOWN ARROW keys simultaneously.
Notice on the Current Configuration Plot that the 16 pens are numbered 0 through 15 and the 256 colors numbered 0 through 255. These colors are specified in the Palette Plot, as now explained.
To see the colors available for a Palette
  1. Make sure that the front-panel Color/Mono switch is set to Color.
  2. To print the Palette Demo, go to the Demos menu and choose Palette.
      note:
    The 256 colors shown in the Palette Demo are not the only colors you can print with your printer! Using your software, you can create many more colors and, as long as you are using the correct driver, the printer will reproduce these colors by an appropriate mix of inks from its CMYK cartridges. The Palette Demo merely shows the 256 colors available for use in the printer’s internal palettes, should you choose to use them.
To change the Palette settings
There are three Palettes: Factory, Palette A and Palette B. You cannot change the Factory palette, but you can define Palettes A and B to be whatever you choose.
Item
Available options
Palettes
Factory, A, B
Pens
0 through 15
Widths (mm)
0.13, 0.18, 0.25, 0.35, 0.50, 0.65, 0.70, 0.80, 0.90, 1.00, 1.40, 2,00, 3.00, 5.00, 8.00, 12.00
  note:
0.13 mm is a 1-pixel line width and renders some colors as a dot pattern.
Colors
0 through 255.
As specified on the Palette Plot.
The steps below explain how to define Palette A.
  1. In the front-panel display, go to the Define Palette routine and choose Palette A.
  2. Scroll to the pen number you want to change and press ENTER.
  3. The current width assigned to this pen is displayed, for example, Width=0.35mm. If you want to change it, press ENTER, scroll to the width you want, and then press ENTER again.
  4. The current color assigned to the pen is displayed, for example, Color=110. If you want to change it, press ENTER, scroll to the color you want, and then press ENTER again.
  5. When both width and color are correct, press Previous.
  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 have exited the menus.
      note:
    The palette you have just defined will take effect only when you select it to be the current palette, as explained next.
To change the selection of the current Palette
Palette
Comments
Software
The printer looks to your software for pen settings and ignores all three internal palettes.
Palette A
The printer assigns the attributes defined in Palette A to the pens defined in your software as 0 through 15.
Palette B
The printer assigns the attributes defined in Palette B to the pens defined in your software as 0 through 15.
Factory
The printer assigns the attributes defined in the Factory Palette to the pens defined in your software as 0 through 15.

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