How likely are you to recommend HP Large Format Knowledge Center to a colleague?
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Not at all likely
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Extremely likely
The problem started recently, about 3-4 months ago. Magenta began to print very lightly. This affects other colors. Printer print calibration tests have also changed. I enclose screenshots of printing tests on PP paper a year or six months ago and now on vinyl. You can see that the yellow test is sealed in red, but at the beginning of the test it is printed in yellow, as it should be. Filling with red occurs after about 3 centimeters during color calibration. Firmware updated to version 16 (last version), Flexiprint print program 19. Head status OK. The head test is good. The printer printed over 2k square meters. What could be the problem?
I have been printing a little lately. Cartridges expired for 1 year. But the magenta cartridge that was installed printed well, at the time of the test, 223 ml remained in the cartridge. The cartridge has been in the printer for a year now.