HP Designjet 2000/3000cp HP DesignJet 2500/2000CP Printer - User's Guide - Page 241
Color Variation Pattern Test, Test Pattern 5., Problem, Corrective Action
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Test Pattern 5. Color Variation Pattern Test Troubleshooting Solving Image-Quality Problems This test produces four boxes: black, blue, cyan and yellow. In each box there are three horizontal bands; the two outer bands are 100% shade, the inner band is shaded from 100% scaling to 75%. The purpose of this test is to determine at what percentage the middle shading becomes visible from the two outer bands. The best way to do this is to cover the box with a piece of paper and slide the paper horizontally across the box. Stop as soon as you see a different shade in the middle box. You can then determine the percentage scaling from the figure at the top of the box. Correct Example G Incorrect Example H Problem See: Corrective Action 1 If there is no apparent color Example H a Select Color Calibration to Now. difference in the center box at the 90% mark, this indicates that the printhead is producing incorrect size ink drops. 11-21
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