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‎04-28-2021 03:15 PM

HP Recommended
Product: designjet t730
Operating System: Microsoft Windows 10 (64-bit)

My plotter stood more than 7 months without use. Just recently started to use it, cleaned the printhead several times and got great diagnostics page in all colors. But if I leave it 2 days without use, it clogs again and have to clean printhead several times to unclog. What could be the reason for this tendency to clog? My oldest cartridge is from 2020 (300 ml matte). Should I suspect of bad ink? What do you think?

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