Issue: Designjet 5500 non-PS prints blacks with a drop shadow

[Vivelart]

Lately, for no reason, my 42” printer prints all blacks (vector or bitmap) with a noticeable drop shadow on one side, creating a light grey. I changed the black printhead, but the problem remains. All other colors print perfectly aligned. Thanks for any tip.

[Valsimot]

Is it visible on internal prints?

Can you scan a sample and post here? Did you make any changes in printer settings or environmental?

[Vivelart]

Thank you for your interest, Valsimot. The only change I made was today, I replaced the lens. Before that, all settings remained the same for a long time. I am uploading some photos of that problem. I print on canvas.

[Valsimot]

What about internal prints from the printers menu?  That will eliminate printer problems from computer problems.

[Vivelart]

Hello Valsimot, your suggestion of making internal prints from the printer has solved my problem, after many calibrations and printhead alignments. Very good work, my friend. How can I thank you? Regards, Philippe Plouchart from Sacramento, California.