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Scott “Not Bob” Steinecke
The only factory authorized method of turning off the smart cards to to retrieve an MPI file from your printer using an app called MSA. We then send the MPI to Mutoh and they generate a ULK file, which we reinstall with MSA. It disables the readers for an allocated amount of time. Since Mutoh no longer sends out smart cards on a regular basis, this is the best method for dealing with smart card errors.