Print Quality

Enrichment Issue

Issues Description

There can be some light color area fills that have two different (but related) image quality issues at the border:

1The initial part of the area fill has a grading from white to the regular color of the area fill (~ 2-4mm high x 0-10mm long)

2After this first grading, it may show a border darker than the rest of the area fill, creating another type of grading, which is shorter, but can appear along the entire border.

See the following image to better understand the explanation:

1.Initial Grading

2. Darker Border

As it will be explained, both issues are related and have similarities:

￿The appearance of the issue depends highly on the selected printmode (MaxQuality, Productivity or MaxSpeed) and the medium and ink type loaded into the printer.

￿The darker border issue may show along the entire border, or appear in some determined locations and disappear in others.

￿The direction of this grading is always in the printing direction.

￿This problem shows up much more in composite light colors and unidirectional printmodes (when the printer lays ink only when the carriage moves in one direction).

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HP DesignJet 5000 and 5500 Series Printers Service Manual

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HP 5000 manual Enrichment Issue, Issues Description

5000 specifications

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