Konica Minolta bizhub PRO 1050P User Manual page 80

This also confirms and leaves User Authentication.
If you enter this username later again:
Click the Keychain button to ask Keychain for this username.
Depending on Keychain's configuration, Keychain will prompt you for the
Keychain password and to grant the application access to the requested
password. On success, Keychain fills the password field with the password.
80 • MacOS 9 Printing
Konica Minolta bizhub PRO 1050 Printer Driver