| 摘要 |
A multi-function apparatus which has plural functions includes: an authentication information acquiring unit which acquires authentication information on a user desiring to use the functions by use of an authentication information inputting unit; a use restriction unit which determines whether the user desiring to use the functions has use authority on the basis of the acquired authentication information, and permits the user to use the functions on condition of determining that the user has the use authority; an operation determination unit which determines whether at least one of the authentication information inputting unit, the authentication information acquiring unit, and the use restriction unit normally operates; and a setting change unit which changes setting of the use restriction unit on the basis of an input from the user by executing transfer to a setting change mode on condition that an operation of the transfer to the setting change mode is executed by the user, when the unit determined not to normally operate is present.
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