Hey guys, so I have a 4 inch exhaust duct with120mm fan exhausting the chamber to my window. If I block the poop shoot with a piece of tissue I can feel the tissue sucking in a little, does this means I have negative pressure in the chamber. I don’t have the exhaust fan on the printer on.
your house is in pressure( which is good), so when you have a hole on your window connect to your printer, no matter you turn on the fan or no, the air will go out this way
Ok, that only happens when the widow fan is exhausting out.