HP DesignJet 8000s User Manual

13.Press the  key, and then the  OK key to display the media advance calibration value.
14. Enter the media advance adjustment value, and press the  OK key.
Set a numeric value with the 
 and  keys.
NOTE Select a mean value if the media advance  value is different in every color. If you
have an image that uses one particular color, then set the value based on that color.
Set a mean value if the media advance value differs between the left and right sides of the
media.
Different values between the left...

To set the printhead to printhead adjustment value:
1.Select  ADJUST  and press the  OK key.
2. Select  YY PH TO PH VAL  and press the OK key.
3. Select the printhead color to be adjusted, and press the  OK key.
4. In the printhead adjustment patt ern, identify the value where the vertical black line and the color
printhead lines are perfectly aligned. In the  image below, the correct value for Lc is +2.
5.Insert the value and press  OK key.
Select the number you want  to change by using the 
 and  keys...

2.Press the  OK key to start printing.
To set the bidirectional printing adjustment:
1. Select  ADJUST  and press the  OK key.
2. Select  BIDIRECTION DEF  and press the OK key.
3. Select the printhead color to be adjusted, and press the  OK key.
4. In the printhead adjustment pattern, identify the va lue where two vertical lines for the same printhead
are aligned. In the image below, the correct value for M is –8.
5. Insert the value and press  OK key.
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Select the number you want to change by using the  and  keys and change the numeric value using
the  and  keys.
Printhead nozzle position adjustment
Use the printhead nozzle positio n test patterns to calibrate the printhead nozzle positions.
To print the printhead nozzle position pattern:
1. In the  TEST PRINTS  menu scroll to the  NOZZLE POS ADJ  option and press the  OK key.
2. Press the  OK key to start printing.
1. Use section 1 to identify the printh ead nozzle to be used as the reference.
2. Use...

4.A. For each printhead line, identify the value where t he reference printhead is aligned. In this example
image, for the Magenta line the correction  value is 1 (indicated as A in the image).
To set printhead nozzle position adjustment values:
1.Select  ADJUST  and press the  OK key.
2. Select  NOZZLE POS VAL  and press the OK key.
3. Select the printhead color to be adjusted, and press the  OK key.
4. Insert the value and press  OK key.
Select the number you want to change by using the 
 and  keys...

●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 prin t mode (720 x 720 dpi – 24 passes).
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Adjust heater and print mode settings
If you see banding in all colors and you have already performed media advance calibration, then you can
try adjusting the heater temperature and print mode settings.
Banding in all colors may be caused by the following factors:
● Small print dot size: heat will cause a smaller dot si
ze. The higher you set the heater temperature, the
smaller the dot size is which results in light banding.
● Ink absorption by the media: if the media you are us
ing is not capable of...

6.To change the option setting displayed, press the  OK key.
7. Using the  and  keys, select a print mode that places  less ink on the media and increases the
number of passes.
Parameters:
● NORMAL
 — standard and high speed print modes (720 x 720 dpi – 8 passes) — ink usage
100%.
● H-QUALITY
 — high quality print mode (720 x 720 dpi – 16 passes) — ink usage 100%.
● H-DENSITY
 — high density print mode (720 x 720 dpi – 16 passes) — ink usage 200%.
● 3 TIMES
 — high quality, high density print mode (720...

If the image quality still does not improve, we recommend that you change the media.
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