HP Designjet 2500.3500cp Printer series - Manual (Page 235)

Troubleshooting
Solving Image-Quality Problems
11-15
Problems Due to Misalignment
There are two types of misalignment; vertical and horizontal, refer to page 11-20,
Color Alignment Quality Test for more information.
Misalignment between two primary colors when creating a secondary color can
cause two different effects:
n If there is horizontal misalignment of the colors this will create banding.
n If there is vertical misalignment of the colors, it will create gaps or overlaps
between colors, see Example C .
Example C