I had a customer who tried to change the toner pump (Black) themselves. After they worked on it, the copier no longer would set up after closing the front door and still has the toner message for black. There is toner sitting above the toner sensor. I tried to force toner for black and it failed. The other colors also failed. I checked the wiring and all looks ok at this point.... Any ideas where to start looking would be a big help... I wouldn't even mess with this but it is a very poor church...
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