HP Designjet 2500/3500cp HP DesignJet 2500/2000CP Printer - User's Guide - Page 240
Color Alignment Quality Test, Test Pattern 4, Problem, Corrective Action
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Troubleshooting Solving Image-Quality Problems Test Pattern 4: Color Alignment Quality Test This test pattern is to check the color alignment, and produces six patterns each with two different primary colors. In each pattern you will see primary color circles. If there is misalignment between the primary colors the composite color will be present in one part of the circle and white will be visible at the opposite side of the circle. There are two types of misalignment (See Example F): n Horizontal - when the misalignment is in the horizontal axis n Vertical - when the misalignment is in the vertical axis Horizontal Misalignment Vertical Misalignment 11-20 Correct Incorrect Correct Example F Incorrect Problem 1 Third color present/ misalignment in either the boxes or circles of the test image. See: Corrective Action Example F a Perform the printhead alignment check using genuine HP media then print the Image Quality Print again to see if there has been any improvement. b If there is no improvement in the Image Quality Print contact HP. See the page 11-56, Getting Help.
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