Method and apparatus for performing external device's diagnostic functions in host computer
First Claim
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1. An apparatus connected to an external device for controlling a diagnostic system of the external device, the apparatus comprising:
- a diagnostic function searching unit configured to generate a first signal requesting information about diagnostic functions supported by the external device, and a second signal requesting the external device to perform a diagnostic function according to information received from the external device regarding diagnostic functions supported by the external device; and
a data input/output unit configured to transmit the first and second signals to the external device and receive the information from the external device regarding diagnostic functions supported by the external device.
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Abstract
Provided are a method and apparatus for performing diagnostic functions of an external device such as a printer, connected to a host computer. The apparatus and method receive information about diagnostic functions supported by the external device from the external device; receive one or more of the diagnostic functions which are selected by a user; request the external device to perform the selected diagnostic functions; and receive the results of the requested diagnostic functions from the external device.
28 Citations
18 Claims
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1. An apparatus connected to an external device for controlling a diagnostic system of the external device, the apparatus comprising:
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a diagnostic function searching unit configured to generate a first signal requesting information about diagnostic functions supported by the external device, and a second signal requesting the external device to perform a diagnostic function according to information received from the external device regarding diagnostic functions supported by the external device; and a data input/output unit configured to transmit the first and second signals to the external device and receive the information from the external device regarding diagnostic functions supported by the external device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of performing diagnostic functions in an external device, the method comprising:
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storing information about diagnostic functions supported by the external device in a memory of the external device; receiving a first signal from a host computer requesting information about the diagnostic functions supported by the external device; providing to the host computer at least one information stored in the memory of the external device about diagnostic functions supported by the external device according to the first signal; receiving a second signal from the host computer requesting the external device to perform a diagnostic function according to the information provided to the host computer about diagnostic functions supported by the external device; performing a diagnostic function at the external device according to the second signal; and providing a result of the performed diagnostic function to the host computer. - View Dependent Claims (11, 12, 13)
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14. A computer readable medium storing instructions for performing diagnostic functions in an external device, said medium comprising:
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a first set of instructions adapted to control the external device to store information about diagnostic functions supported by the external device in a memory of the external device; a second set of instructions adapted to control the external device to receive a first signal from a host computer requesting information about the diagnostic functions supported by the external device; a third set of instructions adapted to control the external device to provide to the host computer at least one information stored in the memory of the external device about diagnostic functions supported by the external device according to the first signal; a fourth set of instructions adapted to control the external device to receive a second signal from the host computer requesting the external device to perform a diagnostic function according to the information provided to the host computer about diagnostic functions supported by the external device; a fifth set of instructions adapted to control the external device to perform a diagnostic function at the external device according to the second signal; and a sixth set of instructions adapted to control the external device to provide a result of the performed diagnostic function to the host computer. - View Dependent Claims (15, 16, 17)
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18. A method for controlling a diagnostic system of an external device, the method comprising:
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instructing a host computer to locate an external device connected to the host computer; viewing a list displayed by the host computer of at least one external device located and identified by the host computer; selecting at least one of the external devices displayed by the host computer and instructing the host computer to request information from the selected external device about diagnostic functions supported by the external device; viewing information displayed by the host computer regarding the requested information received from the external device about diagnostic functions supported by the external device; selecting one or more of the diagnostic functions displayed by the host computer and instructing the host computer to request the external device to perform the selected diagnostic functions; and viewing results displayed by the host computer of the performed diagnostic functions received from the external device.
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Specification