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Edges of objects are darker than expected
If edges of objects seem darker than expected, and you have already set the print-quality slider to
Quality in the driver dialog (Mac OS Print dialog), select the custom print-quality options, and make
sure that the More Passes and Maximum Detail options are turned off. See
Printing on page 43.
Bronzing
If you are printing on photo paper in grayscale, and you experience a gloss differential problem when
fluorescent light is directly reflected towards you from the print, producing 'bronzed' reflections from
the ink, try one of the following:
●
If using standard print quality options, ensure that the slider is set to Quality (see
Select print
quality on page 45).
●
Try selecting in the driver the Full set of inks option instead of Black and gray inks only.
●
Display the print vertically or behind glass.
Horizontal lines at the end of a cut sheet print
This type of defect affects only the end of a print, within approximately 30 mm of the trailing edge of
the paper. You may see some very thin horizontal lines across the print.
To avoid this problem:
1. Print the Image Diagnostics Print. See
The Image Diagnostics Print on page 155.
2. Consider printing with roll paper.
3. Consider using larger margins around your image.
Vertical lines of different colors
If your print has vertical bands of different colors along it:
1. Try using thicker paper, choosing from the recommended paper types such as HP Heavyweight
Coated Paper and HP Super Heavyweight Paper. See
Order paper on page 125.
2. Try using higher print-quality settings (see
Printing on page 43). For instance, if you have set the
Print Quality slider to Speed, try setting it to Quality; if you have already set it to Quality, try
selecting custom options and then More Passes.
148 Chapter 13 Troubleshooting print-quality issues ENWW
Print-quality issues