HP DesignJet 500 - Manual (Page 80)

Media & Ink Introduction Front-Panel Other Index Solutions
Solving
Problems
Image Quality
Problems
Ink Supply
Problems
Media Problems Image Error Other Problems Getting Help
Printer
Options
Problems with Media Advance
If the printer has media advance problems you will see
banding in all the colors.
For example, the Image Quality Print shown below was
printed with a printer that has a media advance.
problem.
Note: The bands appear light because the roller has
advanced too much. The opposite could also be true,
the bands could appear dark because the media has
not advanced sufficiently.
In high quality modes, media advance problems may
not appear as lines of banding, they may appear grainy
instead. The banding or graininess will appear in all the
colors.
Corrective Action
1. If the image is grainy, this could also be a
symptom of problems with the bi-directional
alignment. Refer to
Test Pattern 3: Bi-directional
Alignment If this pattern is OK, go to step 2.
2. Perform the Accuracy Calibration with the same
media you were experiencing unacceptable image
quality.
3. If there is no improvement in print quality, contact
Hewlett Packard.
NOTE: It is also possible that this kind of banding was
caused because you were using non-HP supported
media. The performance can only be guaranteed if you
use supported HP media.