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HP Designjet T790 Series - Page 177

HP Designjet T790 Series
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1. The problem may be inherent in the image. Try to improve the image with the application you are
using to edit it.
2. Check that you are using appropriate print-quality settings. See
Printing on page 52.
3. Select the custom print-quality options in the driver dialog, and turn on the Maximum detail
option (if available).
Lines print double or in the wrong colors
This problem can have various visible symptoms:
Colored lines are printed double, in different colors.
The borders of colored blocks are wrongly colored.
To correct this kind of problem:
1. Reseat the printheads by removing them and then reinserting them. See
Remove a printhead
on page 129 and Insert a printhead on page 132.
2. Align the printheads. See
Align the printheads on page 186.
Lines are discontinuous
If your lines are broken in the following way:
ENWW
Lines print double or in the wrong colors
169

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