Patent Application
20050046875
With a personal computer and an appropriate software package, a user can produce virtually any type of document that may be desired. For example, word processing software is used to produce text documents. Graphic design or computer-aided design software can be used to produce diagrams, charts, graphs, designs, etc. Frequently, it is desirable to generate a hardcopy of a document or data set that has been produced or stored on a personal computer. Consequently, a wide variety of printers and printing devices have been developed that can receive a print job from a host computer and produce a hardcopy of the document or data represented by that print job.
As used herein and in the appended claims, the terms “printer” and “printing device” are defined to mean any device that produces a hardcopy from electronic data, including, but not limited to, laser printers, inkjet printers, dot matrix printers, plotters, facsimile machines, digital copiers, photocopiers, multifunction peripherals, and the like. A printer or printing device may produce images on a variety of print media and may produce images that are in color or are monochromatic.
The term “print job” is defined as data that has been specifically formatted for submission to a particular printer from which the printer can generate a hardcopy representing the underlying document or data set from which the print job was created. Typically, the print job is transmitted from a host or “client” computer to the printer.
Most personal computers include programming that will be referred to generally as a “printer driver.” A printer driver is a piece of software or firmware that receives data or a document that is to be printed from an application running on the computer. The printer driver formats the data for use by a corresponding printer, i.e., creates a print job, and then transmits the print job to the printer. Using the print job, the printer can produce a hardcopy of the underlying data or document.
Most printing devices employ some type of user interface to allow for human interaction with the device. A user interface enables a user to view and/or modify settings or other information related to the printing device. The settings available on a printing device can allow the user to control certain aspects of the printing process to produce a more desirable hardcopy product. For example, the settings on a printing device may allow the user to select among different available print media. For example, the size, color or type of print medium may be selected for a particular job. Printing device settings may also determine the resolution or quality of the image being printed and, consequently, the amount of ink or toner consumed. The printing device may also be configured to add letterhead, a logo, a signature or other features into a print job being executed. A user interface for controlling these and other printing settings may include a touchpad, keypad, mouse, keyboard, viewable screen, touch screen panel, menus, tabs or other means of navigating through available options, etc.
If a printer is connected to the Internet or World Wide Web (the “web”), the printer may also allow a user or operator to view and/or modify settings and information related to the printing device using a web browser. The web browser displays a web page provided by a web server built into the printing device. The web page or pages containing information about the device and controls for adjusting printer settings are stored in printing device memory.
Configuration settings, such as these, may be specified by the user using the user interface at the printing device. Such settings may also be controlled through the printer driver software. Often, a printing device will have multiple users. As a result, some configuration settings made by one user may be overwritten by a subsequent user, thus requiring each user to check and/or change the settings each time a print job is printed.
A method of configuring a printing device includes dynamically modifying printing device settings based an identifier in an incoming print job identifying a client submitting the print job.
The accompanying drawings illustrate various embodiments of the present invention and are a part of the specification. The illustrated embodiments are merely examples of the present invention and do not limit the scope of the invention.
Throughout the drawings, identical reference numbers designate similar, but not necessarily identical, elements.
This specification describes a method and system for dynamically configuring printing device settings based on an identifier that identifies the location of the client computer submitting a print job. Desired user settings are determined based on the location of the client computer.
When a user creates a print job, the print job is formatted and prepared for transmission from the user's computer to the printer. The formatting process breaks the print job up into a plurality of data packets.
Each data packet includes a header and a portion of the print job data to be printed. The header contains multiple bits of information, some of which indicate where the packet is from, i.e., the client computer sending the print job, and where it is going, i.e., the destination printing device. The client computer and the destination printing device are specified by source and destination Internet Protocol (IP) addresses, respectively.
One or more bits of information stored in the header may be used as an identifier. An identifier may be used to determine the packet's origin, destination, size, etc. An identifier may include, but is not limited to, a name, serial number, Media Access Control (MAC) address, IP address, or any other information that could be used to identify the client machine or the user. In some embodiments, the source IP address is used as the identifier.
An IP address is a 32-bit number that uniquely identifies a machine on a network and on the Internet. As will be explained below, an IP address has two parts most often referred to as the “net” and the “node”. The net is usually the first of four octets (four 8-bit values). The net identifies the network that the IP address belongs to. The last three octets are usually the node. The node identifies the actual machine on the network. Therefore, because the IP address provides information about both the network and the actual machine, IP addresses may be advantageously used as an identifier for determining the location of the client machine.
As the data packets for the print job arrive at the printing device, the location of the sender may be determined by the IP address or other identifier. The printing device is programmed to read the identifier from the data packet header, store the identifier in printer memory, and query a database to determine the location of the machine that sent the print job based on the identifier.
The database may be stored in printing device memory, on a network server, or on a remote web or Internet server. The database query is a simple request for all identification information associated with the identifier in the data packet header. The identification information is sent back from the database and used by the printing device, as will be described below. The identification information may be stored in printing device memory. The identification information is then read by the printing device to determine the source of the print job.
When the source or sender of the print job is known, the printing device may be programmed to apply predetermined printing device configuration settings specific to the location of the machine that sent the print job. In one example, two groups of users share a printing device. Each group of users has different needs for the printer and thus uses different settings, such as different types of paper, different paper or ink color, different printed additions to a print job, etc. Each group may program the printing device to automatically configure itself to the group's predefined settings each time the printing device receives a print job from a machine in that group's area.
These predefined configuration settings, along with identifier and location information may be stored in table or list form in a database that is stored on or accessible to the printing device. For example, the table or list may contain three columns: one for identifiers, one for locations, and one for configuration settings. Each identifier would be matched with its corresponding location and configuration settings.
For example, the identifier “123.456.789.100” may correspond with “Room #321” for the location and “A4 paper, double sided, company color scheme” for the configuration settings. The database, as previously mentioned, may be stored in printing device memory, on a network server, or on a remote web or Internet server. The identifier, location and corresponding settings may all be chosen by a user, owner, operator, etc. of the printing device.
Alternatively, the database may be broken into two tables or lists. The first table or list matches an identifier with a location that defines the client devices of a particular group. The second table or list matches that location with the predetermined printing device configuration settings for that group. In some embodiments, the database may merely associate the identifier with printing device configuration settings, without specifying the location of the printing device. These processes will be explained in greater detail below.
As shown in
A memory unit (143) is used to buffer print job data and to store programming for the controller (144). The firmware stored in the memory unit (143) is executed by the controller (144) to provide the functionality of the printing device (102). The memory unit (143) may include a combination of non-volatile memory, e.g., read-only memory (ROM), and volatile memory, e.g., Random Access Memory (RAM). The printing device (102) also includes a port (142) for connecting the printing device (102) to a network or client computer.
As shown in
In some embodiments, the printing device (102) may include an embedded web server (107) for communicating with other computers or printing devices. The phrase “embedded web server” refers to a set of computer-readable instructions (e.g., software or firmware) for providing a printing device with the function or capability of sending data or providing information via a web page. In some embodiments, the embedded web server (107) will incorporate printing device information as well as print job information into a web page, which may be viewed with a web browser (106). In this manner, print job status information may be viewed remotely from a user terminal (104).
Each machine on a network (including the Internet) has its own unique IP address, whether the address is static or dynamically assigned using the dynamic host configuration protocol (DHCP). If the physical location and corresponding IP address of each machine is not previously known, an inventory may be taken of the machines on a network to record where each machine, identified by its corresponding IP address, is physically located. This information may be stored in a list or table where each IP address is matched with the physical location of the machine. Once the physical location of the source or sender of the print job is known, printing device configuration settings specific to that machine's location may be applied to the printing device. This process will be explained in greater detail below.
Such print job variations require different configuration settings to be set on the printing device. Configuration settings may be changed either on the user's computer using the printer driver software or at the printing device itself using the user interface (101,
After the user has initiated the print job (step 401) on the computer, the computer prepares the print job for transmission. The print job is broken down into a plurality of data packets (201). These packets are then transmitted (step 402) over the network (103,
Upon arrival, the packets (201) are scanned by the printing device (102) for an identifier (step 403). The printing device (102) reads the packet header (202) searching for a predetermined identifier (203). When the identifier is found (404), the identifier may be saved in printing device memory and used to determine the physical location of the source of the packet (step 405).
The location of the machine that initiated the print job may be determined from the identifier in the data packet header (202). In one embodiment, the identifier is a source IP address. The printing device user, manager, owner, operator, etc. may program the printing device with a list of known source IP addresses matched with the source IP address's physical location. For example, such a list may include the IP address 123.456.654.321 and its location, “Room #312.” In an alternative embodiment, the list may match the IP address or other identifier with a group. The IP address 123.456.789.100 may be matched with the group “Engineers.” Each specific group or location may have its own set of configuration settings. Once the group or location is known, the printing device may be configured accordingly (step 406) as explained below.
Alternatively, the location need not be determined. The identifier may be directly associated with a set of printing device configuration settings that are implemented when the appropriate identifier accompanies an incoming print job (step 406).
With appropriate programming, a printing device may be configured to automatically change settings based on the group or location designated by the identifier or the setting associated directly with the identifier. One or more lists of settings may be stored in printing device memory. Such a list would contain all the desired configuration settings for each specific group or location. For example, the list may include settings such as which colors to use, which type of paper, letterhead, logos, personal signatures, size, contrast, or any other viable printing device setting.
Each group or location may have its own list containing settings that are to be changed for a print job from that particular group or location. In one embodiment, this list may be stored in a database on a printing device memory. Alternatively, the database containing the list or lists may be stored on a network server or Internet server, accessible by the printing device using the embedded web server.
In some environments, the printing device may be required to authenticate to the server, local or remote, in order to access the list identifying the physical location and settings to apply to each client machine. In some cases, the printing device will automatically return to its default settings after the settings have been configured for a print job from an identified user or machine. Alternatively, the settings may be overwritten by another print job, initiated from a different location.
The preceding description has been presented only to illustrate and describe embodiments of invention. It is not intended to be exhaustive or to limit the invention to any precise form disclosed. Many modifications and variations are possible in light of the above teaching. It is intended that the scope of the invention be defined by the following claims.
