Dell 725 InkJet Printer "fax broken asking open cover" Questions

open. if you cannot see a small switch on the sides where the cover rests to indicate when it is closed, then it must be located just behind the back of the cover - There should be a small microswitch

...open you should see it either at the bottom or on the top cover... thats called a ccd and its broken... it needs to be replaced... contact hp support tell them your machine number and ask them for a ...