first disconect the cable
card reader.pdf
sorry, but which cable should I unplug if a card reader is not installed?
So, if it's good.Continue with next sensor. Try to change it's state
5.png
Probably damaged board. Expensive.
Change machine.
Keep in mind the original paper assemblies in these were designed wrong. They were revised a few times and there was a tech pub about needing to replace BOTH paper feeds because the new design broke the timing on the lower cassette. Like said above, not worth your time or anyone else's time or money.
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