Facsimile and static presentation processing – Static presentation processing – Communication
Reexamination Certificate
1996-05-10
2001-02-27
Popovici, Doc (Department: 2622)
Facsimile and static presentation processing
Static presentation processing
Communication
C358S001130
Reexamination Certificate
active
06195171
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a printer and its interface unit, a printing system, and a method for setting communication parameters in the printer.
2. Description of the Related Art
Printers generally have a serial interface, parallel interface and the like, as a means for communication with a host computer. However, recent spreading networking tendency has popularized printers which can install an optional interface function as interface for connection with various networks.
To realize this optional interface function, various external communication units (hereinafter referred to as “network boards”) to be installed in printers have been developed. The printers can be connected to various networks by changing these network boards installed in the printers.
When one of these network boards is installed in the printer for printing via a network, it requires the setting on the network board of network-specific parameters for connecting the printer to the network. If the network board has a serial interface function, for example, a transfer baud rate and a transfer data length must be set.
In the above prior art, however, in order to set the network-specific parameters to the network board, the network board is required to have additional functions or parts; for example, an interface function to set the parameters, or switches for setting the parameters must be provided on the network board. This increases the price of the network board itself.
Even if the parameters are set from the printer by using an operation panel of the printer or the like, the printer must have a parameter setting program that can handle all the variety of network boards. However, it is wasteful to provide such program in the printer, and further, this increases costs of manufacturing the printer.
SUMMARY OF THE INVENTION
The present invention has been made in consideration of the above situation, and has its object to provide a printer, which omits extra functions and parts for setting parameters, by downloading a communication-parameter setting program for performing communication-parameter setting at the printer, and an interface unit, a printing system, and a method for setting communication parameters in the printer.
Further, another object of the present invention is to provide a printer, which downloads a communication-parameter setting program and performs communication based on communication parameters, set at the printer in accordance with the downloaded program, and an interface unit, a printing system, and a method for setting communication parameters in the printer.
Further, another object of the present invention is to provide a printer, which can set various communication parameters for communication with a host computer by using an operation panel of the printer, and an interface unit, a printing system, and a method for setting communication parameters in the printer.
Further, another object of the present invention is to provide a printer, which can set parameters corresponding to an interface unit connected to the printer, by using an operation panel of the printer, and an interface unit, a printing system, and a method for setting communication parameters in the printer.
Further, another object of the present invention is to provide a printer, which can communicate with a connected external device via any communication unit or an interface unit, when installed in the printer, by setting communication parameters or interface parameters of the unit, and an interface unit, a printing system, and a method for setting communication parameters in the printer. Other features and advantages of the present invention will be apparent from the following description taken in conjunction with the accompanying drawings, in which like reference characters designate the same name or similar parts throughout the figures thereof.
REFERENCES:
patent: 5537626 (1996-07-01), Kraslavsky et al.
patent: 0571169 (1993-11-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Popovici Doc
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