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ix6820 informed that ink was low, after replacing inks checking supply level says that "level is unknown" and I get a blinking resume light. I can't print. Pressing the resume light doesn't seem to reset the machine. I'm stuck.
It's hard enough to find drivers, but when I do they won't install. I'm on an M1 Mac and get the message "Installation failed. Contact software manufacturer, and that's what I'm trying to do. 
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