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Print Quality
6-15
HP DesignJet 430, 450C and 455CA Printers
No Printing Defects Found in the PrintĆQuality Plot
If all the test patterns from the PrintĆQuality Plot are correct and you still
experience print quality problems, here are some of the other causes to check:
D The print mode used in your printer is incorrect (this is defined by the
printer's frontĆpanel menu selections).
D NonĆHP driver.
D The RIP (If you are using one).
D The software applications you are using.
Refer to the User's Guide for further information on how to configure the
system with correct settings.
Media
Always make sure that the customer is using the appropriate media for the
required image and that it is consistent with the software application being
used. To ensure color accuracy and print quality performance of the printer,
only media types that have been certified for the printer should be used. Use
of nonĆHP media or HP media not certified for the the printer may
significantly reduce the color and print quality of the required images. For
details of HP media, refer to the User's Guide or the Media Guide.
To have accurate colors, the media settings must match the type of
media loaded in the printer.
If the customer is using nonĆHP media with HP drivers, the colors in
the required print may not be accurate. Advise the customer to use
HP media if they want to improve the accuracy of the colors.