HP Designjet T2300 HP Designjet T2300 eMFP Printer series - Image Quality Trou - Page 20

Print-quality issues - parts

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Please look carefully at the print. The names of the colors are shown above the rectangles and in the center of the patterns of dashes. Print-quality issues First look at the upper part of the print (part 1). Each colored rectangle should be a uniform color without any horizontal lines across it. Then look at the bottom part of the print (part 2). For each individual colored pattern, check that most of the dashes are present. If you see horizontal lines in part 1 and also missing dashes in part 2 for the same color, the printhead responsible needs cleaning. However, if the rectangles look solid, do not worry about just a few missing dashes in part 2; these are acceptable because the printer can compensate for a few clogged nozzles. Here is an example of a gray printhead in a good state: And here is an example of the same printhead in a bad state: 16 Chapter 2 Troubleshooting print-quality issues ENWW

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Please look carefully at the print. The names of the colors are shown above the rectangles and in the
center of the patterns of dashes.
First look at the upper part of the print (part 1). Each colored rectangle should be a uniform color
without any horizontal lines across it.
Then look at the bottom part of the print (part 2). For each individual colored pattern, check that most of
the dashes are present.
If you see horizontal lines in part 1 and also missing dashes in part 2 for the same color, the printhead
responsible needs cleaning. However, if the rectangles look solid, do not worry about just a few
missing dashes in part 2; these are acceptable because the printer can compensate for a few clogged
nozzles.
Here is an example of a gray printhead in a good state:
And here is an example of the same printhead in a bad state:
16
Chapter 2
Troubleshooting print-quality issues
ENWW
Print-quality issues