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HP Recommended
HP DesignJet T230 24-in Printer
Microsoft Windows 10 (64-bit)

I actually solved this myself already, so this is just a PSA. I read all the posts about this, which are all marked as "solved", which I think is incorrect. What I finally figured out was that the sensor that signals the cover is open had been apparently bumped at some point. On my plotter it's in the lower left corner of the door opening, and it's a little black "U" shaped thing which is supposed to line up with the door. I suspect that many different styles of printers use a similar system. In my case it was just kind of tweaked back at an unnatural angle. It "stands" on a little PCB with wires, and I simply bent it straight. Works flawlessly now.

My question is that if a dumb house-framer like me can figure it out, why are problems marked as "solved" when they aren't? And why doesn't HP, with it's many thousands of techs and designers, have people who monitor these boards? Hopefully I'm mistaken.

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Because there are several possible causes of the ink carriage not moving for an ink replacement, you have figured out one of them.

 

btw. you have a good eye for figuring out the bent cover open sensor.

 

 

 




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