HP DesignJet 8000s User Manual

7 How do I get the best image quality
●Test the image quality
● Interpreting the print quality
● Manage media types
● How do I calibrate my printer
● Adjust heater and print mode settings
Different types of media may give better image quality  based on specific mechanical and electrical settings
in your printer. To optimize image quality you can perform  a series of test prints for the media type that you
are using. Based on the results you can then  adjust the printer settings for the media type.
To...

Test the image quality
To check the overall image quality, use an image that you have printed on other occasions with satisfactory
results. If the image quality is satisfactory, no ca librations are required. If the image quality is not
satisfactory, then you may need to adjust the media ty pe settings. Also use the Nozzle print to check that
there are no printhead nozzles out. The image below illust rates an example print that includes all printhead
colors and would determine the quality  of printed...

Interpreting the print quality
Below are examples of the print results you may see in your test print and the recommended action.
If the print quality is satisfactory , you can print on the media without  changing printer or heater settings.
If you see banding in one color (in the black colo r in the image above), then there are printhead nozzles
out. Print the  NOZZLE PRINT/RECOVER  pattern and then print your image again to check that the
printhead is printing correctly. See How do I… 
Print the...

printer. Banding may be present in the form of white lines  (as in the image above), or in the form of darker
lines.
If you still see banding in all colors after perfo rming the calibrations, then try adjusting the heater
temperature and/or print mode settings. See How do I… 
Adjust heater and print mode settings .
Manage media types
You can create new media types, or you can modify  or delete existing media types by using the  MEDIA
REG  menu.
Tip We recommend that you do not modify the pres et media...

7.Select a media number using the  and  keys.
NOTE If the number on the right is followed by  an asterisk (*), the number displayed
already contains media type information.
8. Press the  OK key to confirm.
9. Press the  OK key to create the new media type.
Create a new media type
Tip We recommend that you do not modify the preset  media types that came with your printer.
You can copy a preset media type  with characteristics that are similar to the new media that you
want to use, and use the copy to...

5.Select a media type number using the  and  keys, and press the  OK key.
NOTE If a number is not available, then a new media type with that number has already
been created.
Select another number.
6. Press the  key and the  OK key to define the name of the new media type.
7. Define the name of the new media type using the  and  keys to select the ch aracter to be set, and
the  and  keys to change the character.
8. Press the  OK key to confirm the media type name.
9. Press the  OK key to confirm the new...

5.Scroll to the media type option you want to modify by using the  and  keys.
6.Press the  OK key to modify the value.
7. Press the  OK key to confirm. The message below will only  be displayed for newly created media types.
8.Press the  OK key to create media type 01 and the  * (asterisk) indicates that the media type has already
been created.
Press the  CANCEL key to cancel the process. T he front panel displays the top menu.
Delete a media type
Media types from 02 to 20 can be selected. Media  type...

How do I calibrate my printer
You can adjust the mechanical and electrical settings of your printer based on a series of printed patterns.
These patterns allow you to calibrate your printer setti ngs for the media you are using. Based on the results
of these patterns, you  can optimize the perform ance of your printer.
Calibrate media advance
Your printer was calibrated at the factory to ensure  that it advances the media accurately when using
supported media types in normal environmental conditions....

Selectable print modes are:
●NORMAL
 — standard and high speed print modes (720 x 720 dpi – 8 passes).
● H-QUAl
 — high quality print mode (720 x 720 dpi – 16 passes).
● H-DENS
 — high density print mode (720 x 720 dpi – 16 passes).
● DRAFT
 — draft print mode (360 x 720 dpi – 4 passes).
● FINE DRAFT
 — fine draft print mode (540 x 720 dpi – 6 passes).
● 3 TIMES
 — high quality, high density print mode (720 x 720 dpi – 24 passes).
4. Press the 
 or  keys to select the  ROUGH print mode, and press the...

Five patterns are printed in 0.5% steps in a range of 99.00% to 101.00%.
●A — Dark lines are visible; the value is too low.
● B — No lines are visible; the value is correct.
● C — Light lines are visible; the value is too high.
NOTE
Select a mean value if the media advance va lue is different in every color. If you
have an image that uses one particular color,  then set the value based on that color.
Different values between the left and right  sides of the media may be caused by skew.
6.From the...