RELATES TO:

This article is to enhance the wind marked labels caused by the airflow from the ColorWorks C7500G

EXPLANATION:

The Problem:

Under certain condition, wind marks can be visible on black backgrounds of the printouts from the ColorWorks C7500G.

Wind marks C7500

The background of getting the wind mark

Wind marks are caused by the airflow from the fast printing. Stronger airflow can be generated depending of the speed of the printing. Therefore position on the page may be fluctuate. These changes always occur on all colours but are relatively easy to identify in black.

For example, pure black may show more wind marks than composite black.


If more ink is used then wind mark marks cannot be easily seen.

 

Solution

Method 1

Converts black print data to RGB. Convert the colour used in the aplication as per the examples bel For Example:

 

Method 2

Change the setting of the printer driver to increase the amount of ink discharge.

Change the setting of the printer driver to lower the usage rate of pure black.

  1. Select the Advance setting and press the Advance button.

    Advanced settings

  2. Set the Ink Profile level and to 4

    ink injection level

  3. Set the Ratio of Black to Composite to -6

    Black ratio correction