hello guys, i received this machine (mp C2551) to do maintenance, make full PM, test adf, paper feeds and all, and all firmwares are down to date, so I make the procedure to update firmwares ( like I have done a thousand times with same files), first System copy, after engine, test if all good, all others firmwares after. the thing is, after i update the ADF firmware, machine stops recognize ADF ( type 3030 - D541), put in another machine and not recognized to.i don't have any problem o error code while making update procedure.
By the way, another ADF are recognized by this machine, so isn't BICU board.
By the way, another ADF are recognized by this machine, so isn't BICU board.
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