A printing apparatus equipped with a consumable item including a recording agent used in the printing apparatus and including a display unit and a reading unit (311, 312) that reads identification information of the consumable item recorded in a storage device included in the installed consumable item and information on a remaining amount of the recording agent, the printing apparatus is characterized by: a notification unit configured to transmit, using a protocol such as SMTP or HTTP/HTTPS, a notification including the identification information of the consumable item and the information on the remaining amount of the recording agent to a management server outside the printing apparatus in a case where the reading of the information of the storage device included in the installed consumable item by the reading unit is successful, an updating unit (307, 308, 310) configured to obtain a usage amount of the recording agent used in printing processing according to execution of the printing processing based on a print job and to update the information on the remaining amount recorded in the storage device included in the installed consumable item according to the usage amount, and a consumable item control unit configured to determine whether the reading of the information of the storage device included in the installed consumable item by the reading unit has failed, according to the reading result by the reading unit (311, 312), wherein, in a case where it is determined that the reading has failed, the display unit is configured to display a message prompting a reinstallation of the consumable item on a display screen of the printing apparatus, wherein, in a case where it is determined that the reading has failed, the updating, by the updating unit, of the information on the remaining amount recorded in the storage device included in the consumable item, according to the usage amount of the recording agent used in the printing processing according to the execution of the printing processing based on the print job, which is received when the reading fails, is suppressed, and wherein, in a case where it is determined that the reading has failed, the notification unit transmits a notification including information indicating that the reading has failed. a notification unit configured to transmit, using a protocol such as SMTP or HTTP/HTTPS, a notification including the identification information of the consumable item and the information on the remaining amount of the recording agent to a management server outside the printing apparatus in a case where the reading of the information of the storage device included in the installed consumable item by the reading unit is successful, an updating unit (307, 308, 310) configured to obtain a usage amount of the recording agent used in printing processing according to execution of the printing processing based on a print job and to update the information on the remaining amount recorded in the storage device included in the installed consumable item according to the usage amount, and a consumable item control unit configured to determine whether the reading of the information of the storage device included in the installed consumable item by the reading unit has failed, according to the reading result by the reading unit (311, 312), wherein, in a case where it is determined that the reading has failed, the display unit is configured to display a message prompting a reinstallation of the consumable item on a display screen of the printing apparatus, wherein, in a case where it is determined that the reading has failed, the updating, by the updating unit, of the information on the remaining amount recorded in the storage device included in the consumable item, according to the usage amount of the recording agent used in the printing processing according to the execution of the printing processing based on the print job, which is received when the reading fails, is suppressed, and wherein, in a case where it is determined that the reading has failed, the notification unit transmits a notification including information indicating that the reading has failed.