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A system for monitoring a user's usage of a target application on an application unit. Such a target application can, as examples, be a software program running on a computer or a workstation, an image forming device, an appliance, etc. The application unit includes a user interface with a plurality

A system for monitoring a user's usage of a target application on an application unit. Such a target application can, as examples, be a software program running on a computer or a workstation, an image forming device, an appliance, etc. The application unit includes a user interface with a plurality of commands which a user can select. In the example of the target application being a software program, the commands may be icons displayed on a computer screen which a user can point to with a mouse pointer and then click on. In the case of the application unit being an image forming device or an appliance, the interface may be an operation panel with buttons, a touch pad, etc. which a user can press. The present invention monitors the user's usage of such interfaces and logs data of the user's usage of such interfaces. The logged data can then be communicated by the sending unit to a designated location.

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The invention claimed is: 1. An image output device, comprising: a target application unit residing in and operating in the image output device; a processor configured to monitor usage operations that are under control of the target application unit operating in the image output device, and to gene

The invention claimed is: 1. An image output device, comprising: a target application unit residing in and operating in the image output device; a processor configured to monitor usage operations that are under control of the target application unit operating in the image output device, and to generate a usage log of the monitored usage, the usage log being stored as a map structure including keys and corresponding values, each key being a string representing a type of usage data of the target application unit, wherein each value in the map structure is a vector of values associated with usage data, wherein the processor is configured to begin to monitor the usage operations that are under control of the target application unit in response to a start monitoring command sent by the target application unit to the processor; a packaging unit configured to package the usage log for sending; and a communicating unit configured to encode the packaged usage log and to send the encoded, packaged usage log to a remote monitoring system using an application layer Internet protocol. 2. The image output device according to claim 1, wherein the image output device comprises a printer. 3. The image output device according to claim 1, wherein the image output device comprises a facsimile machine. 4. The image output device according to claim 1, wherein the target application unit is a user interface of the image output device. 5. The image output device according to claim 1, wherein the usage log includes a user identification of the user of the image output device. 6. The image output device according to claim 1, where the image output device comprises a multi-function machine. 7. An image output device, comprising: a target application unit residing in and operating in the image output device; a processor executing instructions for monitoring usage operations that are under control of the target application unit operating in the image output device, and generating a usage log of the monitored usage, the usage log being stored as a map structure including keys and corresponding values, each key being a string representing a type of usage data of the target application unit, wherein each value in the map structure is a vector of values associated with usage data, wherein the processor is configured to begin to monitor the usage operations that are under control of the target application unit in response to a start monitoring command sent by the target application unit to the processor; means for packaging the usage log for sending; and communicating means for encoding the packaged usage log and sending the encoded, packaged usage log to a remote monitoring system using an application layer Internet protocol. 8. The image output device according to claim 7, wherein the image output device comprises a printer. 9. The image output device according to claim 7, wherein the image output device comprises a facsimile machine. 10. The image output device according to claim 7, wherein the target application unit is a user interface of the image output device. 11. The image output device according to claim 7, wherein the usage log includes a user identification of the user of the image output device. 12. The image output device according to claim 7, wherein the communicating means comprises a wireless network. 13. The image output device according to claim 7, wherein the communicating means comprises a wired network. 14. The image output device according to claim 7, wherein the image output device comprises a multi-function machine. 15. The image output device of claim 1, further comprising: a memory storing a program configured to monitor the usage operations of the image output device when the image output device is under control of the target application unit. 16. A method, comprising: monitoring usage operations that are under control of a target application unit residing in and operating in an image output device, and generating a usage log of the monitored usage, the usage log being stored as a map structure including keys and corresponding values, each key being a string representing a type of usage data of the target application unit in response to a start monitoring command sent by the target application unit wherein each value in the map structure is a vector of values associated with usage data; packaging the usage log for sending; and encoding the packaged usage log, and sending the encoded, packaged usage log to a remote monitoring system using an application layer protocol. 17. The method of claim 16, wherein each value in the map structure is a string including usage data. 18. The method of claim 16, wherein each value in the map structure is a vector of strings, each string including usage data.