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HP Designjet 700 Series Printers - Solving Print-Quality Problems

  note:
To achieve the best performance from your printer, HP recommends that you use only genuine HP accessories and supplies; their reliability and performance have been thoroughly tested to give trouble-free performance and best-quality plots. For details on HP media, see the Supplies Source catalog supplied with the printer.
ISSUE: The color is not as expected.
SOLUTION: The means of accurately managing the colors printed by your printer vary with the software application and driver being used. Refer to the following documentation:
  • The Software Application Note for your application, in the specific package shipped with this printer.
  • Online documentation in the Microsoft (R) Windows driver shipped with your printer, particularly in the Color Options dialog box.
Additionally, remember that your printer may be configured to use one of its internal pen palettes instead of your software’s palette (which is the default).
ISSUE: There are white streaks in solid fill areas.
SOLUTION: This may mean that a cartridge nozzle is blocked. Unless you have switched cartridge check off, the printer normally detects this problem and tries to clear the nozzle automatically. However, some nozzles may still remain blocked, and in this case, the printer will display Service cartridge(s) on the front panel. This means you should replace the problem cartridge. If you are unsure which cartridge has the problem, refer to the next section.
ISSUE: There are other gaps in solid areas or in lines.
SOLUTION: There may be a problem with a cartridge.
  • One or more of your cartridges may be out of ink.
  • If the ink levels are OK, try to assess which cartridge has the problem.
    • Look at your plot.
    • If the problem occurs only in one of the following colors - yellow, cyan, magenta, red, green, blue or black -; then you can eliminate one or more of the cartridges.
    • Remember that the printer’s cartridges are yellow, cyan, magenta, and black.
  • If you know which cartridge has the problem, then try reseating it to ensure good electrical connections.
    • While it is out of the carriage, check the print nozzles to ensure the protective tape has been removed.
    • Do not forget that after you remove or reseat a cartridge, the printer will run its automatic cartridge alignment procedure.
  • If you do not know which cartridge has the problem then print the Service Configuration Plot.
    • Select Utilities/Service Config on the front panel.
    • This plot contains a pattern for each of the four cartridge colors (yellow, cyan, magenta and black) which you can examine for gaps or streaks.
    • If you can identify a problem cartridge, try the checks described in the procedure above.
  • If the problems persist, try running the recalibration routine.
  • If the problems still persist, replace the cartridge(s).
ISSUE: There are jagged vertical or horizontal lines.
SOLUTION: Did you specify the right media type when loading the media?
Force the automatic cartridge alignment procedure by reseating a print cartridge.
If the problem persists, replace the print cartridge(s).
ISSUE: There are slightly warped lines.
SOLUTION: The medium itself may be warped. This can happen if it has been used or stored in an extreme environment.
ISSUE: There are color "shadows".
SOLUTION: Force the automatic cartridge alignment procedure by reseating any one of the print cartridges.
ISSUE: One or more cartridges is not printing at all.
SOLUTION: Check to see if the cartridge is out of ink.
If it is still not printing, remove the faulty cartridge(s) and check the print nozzles to make sure the protective tape has been removed. Do not forget that after you remove or reseat a cartridge, the printer will run its automatic cartridge alignment procedure.
ISSUE: There are blurred lines (ink "bleeds" from lines).
SOLUTION: Perhaps you are not using HP media. For details on HP media, see the Supplies Source catalog supplied with the printer.
The printer may be operating in an area where the temperature and humidity are too high.
Did you adjust the drying time in the front-panel menu purely to speed up the printer’s output?
ISSUE: There are blotchy areas (uneven fill density).
SOLUTION: Perhaps you are not using HP media. For details on HP media, see the Supplies Source catalog supplied with the printer.
Did you specify the right media type when loading the media?
Note that some media types are not recommended for color plots with large area fills.
ISSUE: The plot is too dark or the color too saturated.
SOLUTION: You can make a global adjustment to the amount of black ink used (which affects most colors too) by adjusting the Lightness setting.
ISSUE: There is pronounced banding in area fills.
SOLUTION: Some banding is normal, especially in dark or dense area fills. If the banding is unacceptable, try the following:
  • Ensure you are using HP media.
  • Try changing the Print Quality setting.
  • If the banding is in a black or gray area then try reducing the percentage of black in grayscales, either in your software or in the printer’s palette.
  • Force the automatic cartridge alignment procedure by reseating a print cartridge.
  • Try accuracy calibration.
  • Adjust the drying time.
  • If the problem persists, replace the print cartridge(s).
ISSUE: Ink smears after you remove a plot.
SOLUTION: Use HP media for best quality.
Smears can be caused by extreme environmental conditions.
With roll media, the printer automatically allows a suitable ink-drying time before cutting the roll and dropping the plot in the media bin.
With sheet media, you need to allow for ink-drying time before removing the sheet. For example, with a best-quality monochrome plot on opaque bond, you should wait about 90 seconds before unloading the sheet.
Handle media by the edges. If possible, wear gloves when you handle film. Skin oils can interact with ink and cause it to smear.

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