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faustino059
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HP DESIGNJET T920. PRODUCED WRONG COLOR OUTPUT. CYAN BECAME YELLOW AND YELLOW BECAME CYAN

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HP DESIGNJET T920
Microsoft Windows 10 (64-bit)

HP WRONG COLOR.jpg

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Repairatrooper
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I am not even sure how that is possible unless the ink cartridges were inserted in the wrong slots. Has the unit worked before and this is a recent development? Did you change any cartridges lately? Are you using OEM or refilled cartridges, if refilled perhaps the vendor screwed up and filled the wrong colors.

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faustino059
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DefectiveDefectiveNewNew

After replacing the defective main pca board we can only use the plotter as monochrome due to wrong color output.

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Repairatrooper
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The part you replaced is labelled like used parts normally are. Was that sold as new? If the error started after replacing the board I would suspect the board, unless this issue was the reason you replaced the main board.

If you find the information provided useful or solves your problems, help other users find the solution easier by giving kudos and marking my post as an accepted solution.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.


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