KR20070058172A - Method of checking network error in network print system - Google Patents

Abstract

A method for checking a network error in a network printer system is provided to check a cause of the network error and give a solution of the problem to a user by using a network parameter value used when a network printer server sets a network printer IP. The parameter value for using a network printer is set and the parameter value is stored to the network printer server(S101). The network parameter value stored in the network printer server is searched when the network error is generated while using the network printer(S103). The cause of the network error is analyzed by comparing the set network parameter value with the network parameter value stored in the network printer server(S104). The information of solution from an analysis result is displayed(S105). The network parameter value includes at least one of a MAC(Media Access Control) address, an IP address, a subnet mask address, a default gateway address, and a network printer type of the network printer.

Description

Method of checking network error in network print system

1 is a view showing an example of a screen for displaying an error occurrence message when a network error occurs in the network printer system according to the prior art.

2 is a flowchart illustrating an operation of a network error checking method in a network printer system according to the present invention.

3A to 3D are diagrams showing examples of screens that are displayed sequentially when checking a network error according to the present invention.

The present invention relates to a network error checking method in a network printer system. In particular, parameter values (for example, IP address, Mac address, subnet mask, and default gateway) used when setting a network printer IP in a network printer server are described. (Default Gateway)) relates to a network error checking method in a network printer system that can identify a cause of a network error and present an error solution to a user more easily.

In recent years, computers have been networked to share software or a database so that they can be efficiently used and large computers can be used remotely. As computers are introduced into various tasks and shared work contents, networking of computing environments becomes indispensable.

Especially in the office, peripheral devices such as printers, scanners, copiers, and facsimile machines are connected and networked to LANs so that multiple users can share and use them.

There are dual network printers, which are networked to allow multiple computers and network printers to be connected to one hub and to send and receive data to each other, and to the hub for routers to communicate with external networks such as a LAN or the Internet. Is connected. When a router transmits and receives data, the router reads the destination address included in the packet and transmits the packet to another communication network through the most appropriate communication path.

On the other hand, a network printer is generally equipped with a network card to communicate with a computer, but recently, products that are constructed by integrating the functions of the network card on the board of the network printer have emerged to facilitate the construction of the network printer system.

These network printers include a central processing unit that controls the operation and overall operation of the network printer, a ROM for storing programs and network protocols for data transmission and reception, a RAM for temporarily storing transmitted and received data and internal data, and a flash memory. An NV RAM, a communication module for transmitting and receiving data through a wired or wireless network, and an input / output interface for interfacing data transmitted and received between the central processing unit and the network.

The input / output interface uses PCI, ISA, shared memory for the internal method, and IEEE 1284, USB for the external method.

The communication module consists of the PHY of the MAV controller, which is the physical layer itself that changes the external LAN signal into a signal system that the computer can identify. The communication module registers a storage buffer of data to be transmitted and received through a network, a network connection mode, and a MAC address, a broadcast address, and a multicast address to be received by the system.

On the other hand, each computer connected to such a network printer is also equipped with a network card for communication with the network printer.

In order to use such a network printer, first, a user registers a network printer IP with a network printer server. That is, in order to use a network printer, a user registers network parameter values of the network printer in a server. Here, the registered network parameter value may include a printer Mac address, an IP address, a subnet mask, and a default gateway address information, and set a printer type connected to the printer.

After registering such parameter values, when a user transmits a print command to a printer through a network to use a network printer, a network error often occurs. That is, a network error occurs when a network printer is used, and an error occurrence screen as shown in FIG. 1 is displayed. Here, the generated network error may be an IP conflict, a network printer not connected, or the like. 1 is a view showing an example of a screen for displaying an error occurrence message when a network error occurs in the network printer system according to the prior art.

If an error occurs due to an IP conflict when using a network printer For example, the message "Network IP conflict has occurred" may be displayed on the screen shown in FIG. 1, and also, "The network printer status is unknown". An error message may be displayed.

When such an error occurrence message is displayed, when the user selects the icon of the troubleshooting guide on the screen shown in FIG. 1, in the case of a network IP conflict, a "Solution guide message to allocate a new IP" may be displayed. If the user selects the troubleshooting guide icon while the message "The status of the printer is unknown" is displayed, the troubleshooting guide message "Check the printer network connection cable" is displayed.

However, when the printer network connection is well established in the related art as described above, a message "Unknown of the status of the network printer" is displayed. In this case, it is difficult for the user to find a clear solution. Developers also encounter problems that make it difficult to determine the source of problems.

Accordingly, the present invention is to solve the above problems according to the prior art, an object of the present invention, the parameter values used when setting the network printer IP in the network printer server (for example, IP address, Mac address, subnet) The present invention provides a network error checking method in a network printer system that can identify a cause of a network error using a mask (Subnet Mask) and a default gateway) and present an error solution to a user more easily.

According to an aspect of a network error checking method in a network printer system according to the present invention for achieving the above object, setting a network parameter value for using a network printer, and storing the network parameter value in a print server; Retrieving network parameter values stored in the network server when a network error occurs while using a network printer; And analyzing the cause of the network error according to the comparison result of the set network parameter value and the network parameter value stored in the network server, and displaying solution guide information for the analysis result.

The network parameter value includes at least one of network printer Mac address information, IP address information, subnet mask address information, default gateway address information, and network printer type information.

In the step of displaying the solution guide information, if the network printer Mac address and IP address set by the user do not exist in the network server, it is determined that the network printer is powered off or that the cable connection is poor. Display.

In the displaying of the solution guide information, if a network printer Mac address set by the user exists in the network server and a plurality of values corresponding to the printer IP address exist in the server, an IP collision occurs or another network The printer determines that the same IP is used and displays it as solution guide information.

In the displaying of the solution guide information, a) if the network printer Mac address set by the user exists in the server and the set IP address does not match the IP address stored in the network server, the used IP address is a different value. If it is determined that the information has been changed to, and displays it as the troubleshooting guide information, b) If the network printer Mac address set by the user exists in the server and the set IP address matches the IP address stored in the network server, Displays the solution guide information that the current default gateway value should be compared.

Hereinafter, a preferred embodiment of a network error checking method in a network printer system according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a flowchart illustrating an operation of a network error checking method in a network printer system according to the present invention.

As shown in FIG. 2, first, the network print parameter value set when setting the network parameter value is stored as a setting value in a separate network print server in order to use the network error check (S101). Here, the network parameter value stored in the network print server includes a printer Mac address, an IP address subnet mask address, and a default gateway address value.

That is, when the "SAVE" key is selected after setting the network parameter value as shown in FIG. 3A, a screen for selecting a print name is displayed as shown in FIG. 3B. When the user selects the connected printer name on this screen, the set network parameter value and printer type information are set and stored in the network print server separately.

After registering the parameter value in this manner, if a network printer error occurs while using the network printer, the screen as shown in FIG. 3C is displayed by executing the network error program (S102).

From the screen displayed as shown in FIG. 3C, when the user selects the "Error Debug" key, a screen as shown in FIG. 3D is displayed.

When the user selects the first printer selected from the list box of the printer name while the screen shown in FIG. 3D is displayed, the network parameter value set in step S101 is searched from the network print server (S103).

That is, the printer Mac address information and IP address information are retrieved from the network print server.

After analyzing the cause of the network error using the network parameter value according to the search result, the screen displays the network error solution guide information on the analysis result (S104, S105).

Here, the method of analyzing the cause of the network error using the searched network parameter value will be described in each case.

First, as a first case, if the network address of the network parameter does not exist in the network print server and the Mac address that matches the Mac address does not exist, the network printer is turned off. For example, the guide information on the cause of the error "Please check the network printer connection" is displayed so that the user can easily check the network connection status.

Second, as a case, if there is a Mac address in the network print server that matches the Mac address among network parameter values, and the server uses multiple IP addresses that match the printer IP address, an IP conflict has occurred or The printer determines that the printer is using the same IP and displays the guide information on the cause of the error, for example, "IP collision, get a new IP address" so that the user can easily check the printer.

In the third case, if a Mac address in the network parameters that matches the Mac address exists in the network print server and the corresponding IP address does not match the configured IP address, it is determined that the used IP address is converted to another value and stored. For example, the user may easily view the guide information on the cause of the error "Change IP value, get a new IP address" so that the user can easily check it.

In the fourth case, if there is a Mac address in the network print server that matches the Mac address among the network parameters, and the corresponding IP address matches the configured IP address, the default gateway value is compared with the currently used default gateway. For example, the guide information on the cause of the error "Check the Default Gateway value" is displayed so that the user can easily check the situation.

As a result, the network error checking method in the network print system according to the present invention includes a parameter value (for example, an IP address, a Mac address, a subnet mask, and a default gateway) used when setting a network printer IP in a network printer server. (Default Gateway) can be used to determine the cause of network error.

In the network printer system according to the present invention as described above, the network error checking method includes a parameter value (for example, an IP address, a Mac address, and a subnet mask) used when setting the network printer IP in the network printer server. By using the default gateway, it is possible to identify the cause of the network error and to present the error solution to the user more easily.

Claims (5)

In the network error check method in a network printer system, Setting network parameter values for using a network printer, and storing the network parameter values in a print server; Retrieving network parameter values stored in the network server when a network error occurs while using a network printer; Analyzing the cause of the network error according to the comparison result of the set network parameter value and the network parameter value stored in the network server, and displaying the solution guide information for the analysis result. . The method of claim 1, The network parameter value is A network error checking method in a network printer system including at least one of network printer Mac address information, IP address information, subnet mask address information, default gateway address information, and network printer type information. The method of claim 1, In the step of displaying the solution guide information, if the network printer Mac address and IP address set by the user do not exist in the network server, it is determined that the network printer is powered off or that the cable connection is poor. To check for network errors in a network printer system that displays the The method of claim 1, In the displaying of the solution guide information, if a network printer Mac address set by the user exists in the network server and a plurality of values corresponding to the printer IP address exist in the server, an IP collision occurs or another network Network error check method in a network printer system which determines that the printer uses the same IP and displays it as solution guide information. The method of claim 1, In the displaying of the solution guide information, a) If the network printer Mac address set by the user exists in the server and the set IP address does not match the IP address stored in the network server, it is determined that the used IP address has been changed to a different value, and this is used as a troubleshooting guide. To display, b) If the network printer Mac address set by the user exists in the server and the set IP address matches the IP address stored in the network server, the guide value for setting the default gateway and the currently used default gateway must be compared. To check for network errors in a network printer system that displays a message.

Images