PRINT SERVER, CONTROL METHOD THEREOF, CLIENT TERMINAL, PRINTING SYSTEM, AND COMPUTER-READABLE MEDIUM
First Claim
1. A print server in a printing system including a client terminal having a Web browser, the print server, and a printer, comprising:
- a list request receiving unit configured to receive, from the client terminal, a printer list request containing information indicating a printer capable of printing;
an acquisition unit configured to send a request to the printer to acquire a status indicating whether the printer can print, thereby acquiring the status; and
a sending unit configured to send, to the client terminal that has sent the printer list request, printer list data described in a format for display on the Web browser of the client terminal using the status of the printer that has been acquired by said acquisition unit,wherein when said acquisition unit cannot acquire the status of the printer, said sending unit sends the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired.
1 Assignment
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Accused Products
Abstract
A print server comprises: a list request receiving unit configured to receive, from a client terminal, a printer list request containing information indicating a printer capable of printing; an acquisition unit configured to send a request to a printer to acquire a status indicating whether the printer can print, thereby acquiring the status; and a sending unit configured to send, to the client terminal that has sent the printer list request, printer list data described in a format for display on a Web browser of the client terminal using the status of the printer that has been acquired by the acquisition unit, wherein when the acquisition unit cannot acquire the status of the printer, the sending unit sends the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired.
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Citations
10 Claims
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1. A print server in a printing system including a client terminal having a Web browser, the print server, and a printer, comprising:
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a list request receiving unit configured to receive, from the client terminal, a printer list request containing information indicating a printer capable of printing; an acquisition unit configured to send a request to the printer to acquire a status indicating whether the printer can print, thereby acquiring the status; and a sending unit configured to send, to the client terminal that has sent the printer list request, printer list data described in a format for display on the Web browser of the client terminal using the status of the printer that has been acquired by said acquisition unit, wherein when said acquisition unit cannot acquire the status of the printer, said sending unit sends the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired. - View Dependent Claims (2, 3, 4, 5)
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6. A client terminal in a printing system including the client terminal having a Web browser, a print server, and a printer, comprising:
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a list request sending unit configured to send a printer list request to the print server; a status acquisition unit configured to acquire a status from the printer in accordance with a command contained in printer list data received from the print server; an update unit configured to update the printer list data received from the print server using the status acquired by said status acquisition unit; and a display unit configured to display, by using the printer list data updated by said update unit, the printer list and an item that allows a user to select, on the Web browser, a printer capable of printing contained in the printer list.
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7. A printing system including a client terminal having a Web browser, a print server, and a printer, wherein
the print server includes a list request receiving unit configured to receive, from the client terminal, a printer list request containing information indicating a printer capable of printing, an acquisition unit configured to send a request to the printer to acquire a status indicating whether the printer can print, thereby acquiring the status, and a sending unit configured to send, to the client terminal that has sent the printer list request, printer list data described in a format for display on the Web browser of the client terminal using the status of the printer that has been acquired by said acquisition unit, when said acquisition unit cannot acquire the status of the printer, said sending unit sends the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired, and the client terminal includes a list request sending unit configured to send a printer list request to the print server, a status acquisition unit configured to acquire a status from the printer in accordance with the command contained in the printer list data received from the print server, an update unit configured to update the printer list data received from the print server using the status acquired by said status acquisition unit, and a display unit configured to display, by using the printer list data updated by said update unit, the printer list and an item that allows a user to select, on the Web browser, a printer capable of printing contained in the printer list.
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8. A printing system including a client terminal having a Web browser, a print server, and a printer, wherein
the print server includes a list request receiving unit configured to receive, from the client terminal, a printer list request containing information indicating a printer capable of printing, an acquisition unit configured to send a request to the printer to acquire a status indicating whether the printer can print, thereby acquiring the status, and a sending unit configured to send, to the client terminal that has sent the printer list request, printer list data described in a format for display on the Web browser of the client terminal using the status of the printer that has been acquired by said acquisition unit, when said acquisition unit cannot acquire the status of the printer, said sending unit sends the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired, the client terminal includes a list request sending unit configured to send a printer list request to the print server, an inquiry unit configured to inquire the status of the printer in accordance with the command contained in the printer list data received from the print server, and an update request unit configured to request the print server to update the printer list, the printer includes a notification unit configured to notify the print server of the status of the printer in accordance with an inquiry from the client terminal, and said sending unit of the print server updates the printer list data using the status notified by said notification unit of the printer, and sends the updated printer list data to the client terminal in accordance with an update request from the client terminal.
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9. A method of controlling a print server in a printing system including a client terminal having a Web browser, the print server, and a printer, comprising:
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a list request receiving step of causing a list request receiving unit to receive, from the client terminal, a printer list request containing information indicating a printer capable of printing; an acquisition step of causing an acquisition unit to send a request to the printer to acquire a status indicating whether the printer can print, thereby acquiring the status; and a sending step of causing a sending unit to send, to the client terminal that has sent the printer list request, printer list data described in a format for display on the Web browser of the client terminal using the status of the printer that has been acquired in the acquisition step, wherein in the sending step, when the status of the printer cannot be acquired in the acquisition step, the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired is sent.
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10. A non-transitory computer-readable medium storing a program for causing a computer to function as
a list request receiving unit which receives, from the client terminal, a printer list request containing information indicating a printer capable of printing, an acquisition unit which sends a request to the printer to acquire a status indicating whether the printer can print, thereby acquiring the status, and a sending unit which sends, to the client terminal that has sent the printer list request, printer list data described in a format for display on the Web browser of the client terminal using the status of the printer that has been acquired by said acquisition unit, wherein when said acquisition unit cannot acquire the status of the printer, said sending unit sends the printer list data containing a command which allows the Web browser of the client terminal to inquire a status of a printer whose status cannot be acquired.
Specification