Abstract: A data retrieval method and system are provided that include providing, in a device, a replaceable unit, storing usage data of the device in a database based on information stored in a CRUM used in the replaceable unit, providing access to the database to a user, and providing the usage data to the user. The user data is based on the device performing an operation and the information stored in the CRUM reflecting at least one data point reflecting the performed operation.

Abstract: A data retrieval method is provided that includes providing a device that comprises a unit, storing usage data of the device in a database based on information stored in a CRUM used in the unit, providing access to the database to a user, and providing the usage data to the user. A data retrieval system is also provided that includes a controller, a device that comprises a unit, the device and the unit being controlled by the controller, a database controlled via the controller, wherein the database is accessible by a user, usage data of the unit being stored in the database via the controller based on information stored in a CRUM associated with the unit, and the usage data being provided to the user via the controller.