hi everyone, i wanted to give my feedback on the ticket of the other day on an mpc3004, the call reported jams 067 (duplex inversion) when printing in duplex, which has already happened to me three, four times, and i always solved by replacing the entire paper output unit, this time however despite the replacement of the aforementioned unit the problem persisted, in the end I solved it by updating the firmware, with RFUT, I know that it is a more unique problem than rare, so for this I am sending you my feedback, it is worth the worth a try, as it is a quick operation
Greetings
Greetings
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