HP Jetdirect 280m 802.11b Wireless Print Server User Manual

HP Jetdirect 280m user's guide

User's Guide
HP Jetdirect 280m 802.11b internal wireless print server
Contents:
1.
Basics of networking and network printing
2.
3.
Installation of the print server.
4. Configuration and management -- please refer to the
HP Jetdirect Administrator's Guide. In that document, click on one of these topics in the
contents panel on the left:
TCP/IP ConfigurationUsing the Embedded Web ServerConfiguring for LPD printingFTP printingSecurity features
5. Troubleshooting the print server
6.
Technical support for the print server
7.
Specifications and regulatory information for the print server
8.
Limited warranty for the print server
9.
Some useful tools and techniques
Tools
Installation software for the print server
Embedded web server
Techniques
Interpreting the Status light
Printing a configuration page
Setting a new IP address
Performing a cold reset (reset to factory defaults)
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HP Jetdirect 280m user's guide
©2001, 2002 Hewlett-Packard Company
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Network Basics

Networking Basics
Please click on a title to view a document.
The Network Basics Tutorial
A brief overview of:
Networks
Network Printing
Installing a Network Printer
Tips on Getting Started
Answers to common questions:
Which CD should I use?
Where do I find the printer driver?
When do I stop?
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Network Basics

The
Network Basics
Tutorial
This tutorial tells you about:
Networks
Network Printing
Installing a Network Printer
Click the button to continue.
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Network Basics

Section 1:
Networks
Click the button to continue.
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What you want . . .
. . . is for all your computers to be able to:
Communicate --
send and receive e­mail, and participate in conferences
Share
information -­transfer files among systems, and get information from central databases
Share resources --
use shared printers, scanners, and servers
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The problem is . . .
. . . standalone computers have no way to talk to each other, so attempts at communication fail.
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The solution: a local area network
A local area network (or LAN) provides connections that tie the computers together and allow them to communicate. (The most common type of local area network may also be referred to as an Ethernet LAN or an Ethernet.)
Local area networks can be either wired (as shown here) or wireless. We will look at the different types in the next few pages.
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Wired LANs
As the name implies, a wired LAN connects computers (and other network devices) physically, using wires. A typical LAN uses twisted­pair wiring (similar to telephone wiring) to connect each computer to a central hub. The hub transmits network communications between computers.
Wired LANs offer high­speed communication, as well as reasonable security and reliability. In general, however, they are not as flexible as wireless LANs.
Most wired LANs conform to the IEEE
802.3 standard. The most common wiring schemes use twisted-pair wiring or thin coaxial wiring.
Click on these links for more details on LAN wiring:
Detail: twisted-pair
wiring
Detail: thin coaxial
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wiring
Detail: computer
connections
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DETAIL
Wiring: twisted­pair
The most common wiring used for LANs is twisted­pair wiring, similar to the wiring used for telephones. This wiring connects the computers or other network devices to a central hub. The use of telephone-type wiring makes it easy for the persons who administer your telephone wiring to administer the network wiring as well.
RJ-45 connectors are used to connect the twisted­pair wiring to the computer and to the hub. The wire for a network can be graded in a number of categories; Category 5 wiring is the most popular grade. Category 5 wiring has superior electrical characteristics, and we strongly recommend it for all twisted-pair networking applications. The wire grade is usually marked on the cable jacket.
The equipment for a twisted-pair LAN
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commonly operates at a data rate of either 10 Mbps (megabits per second) or 100 Mbps. Category 5 wiring is required for 100-Mbps operation. A 10-Mbps LAN can run on either Category 3 or Category 5 wiring (though we strongly recommend Category 5). At either data rate, cables may extend up to 100 meters (328 feet) from the hub to the computer.
A twisted-pair network running at 10 Mbps is called a type 10Base-T network. A twisted-pair network running at 100 Mbps is called a type 100Base-T network.
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DETAIL
Wiring: thin coax
An alternative to twisted­pair wiring is thin coaxial cabling, often called thin coax. This cabling is known as RG-58A or RG­58U cable, and has an impedance of 50 ohms. (It looks similar to the 75­ohm thin coaxial cable used in television installations, but the television cable will not work in a network.)
The connectors used with thin coax are BNC connectors. The cable is a continuous cable, up to 185 meters (606 feet) long, made up of shorter segments with BNC connectors at each end. It connects to computers and other devices along its length using BNC "T" connectors, and there is a 50-ohm terminator at each end of the cable. This cabling scheme does not use a hub.
A thin coaxial LAN operates at a data rate of 10 mbps (megabits per
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second), and is known as a type 10Base2 network.
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DETAIL
Computer connections
For twisted-pair LANs: A desktop
computer connects to a twisted-pair LAN through a network interface card (NIC) that resides in a slot in the computer, or through a similar interface built in to the computer itself. The RJ­45 plug of the network cable plugs into an RJ-45 jack on the card or in the computer. A portable computer may have a built-in connection using an RJ-45 jack, or it may use a PC card that inserts into a PC card slot in the computer. (Some PC cards take up two slots and have room for an RJ­45 jack that is integral with the card; others take up only a single slot but require a short cable that provides the RJ-45 jack.)
For thin coaxial LANs: A desktop
computer typically connects to a thin coaxial LAN through a network interface card (NIC) ; built-in BNC connections
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are uncommon. Portable computers connecting to thin coaxial LANs use a PC card with a short cable that provides a BNC connection. In all cases, the LAN cable connects to the computer through a BNC "T" connector.
Hidden network cables and equipment: In many
network installations, the hubs are kept in equipment closets and the cables are hidden in the walls. In these installations, wall outlets with RJ-45 jacks are the only visible components of the network wiring. For such a network, you use a short length of network cable to connect from the computer to the wall jack.
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Wireless LANs
In a wireless LAN, information travels through the air in radio­frequency signals instead of through wires. This makes wireless LANs very flexible, and setup and reconfiguration are very easy. Communication speeds on wireless LANs, however, tend to be slower than on wired LANs, and it generally takes more work to make a wireless LAN as secure as a wired LAN.
Most wireless LANs conform to one of the subsets of the IEEE
802.11 standard; the most common subset is currently 802.11b. Data rates for 802.11b LANs can be as high as 11 Mbps (megabits per second). Typically a wireless device in an 802.11b LAN can transmit signals across a distance of about 30 meters (100 feet) in a semi-open office (no walls) and still maintain a data rate of 11 Mbps. It is possible to extend the range to about 100 meters (300 feet), but at such a
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distance the data rate drops off to 1 Mbps.
802.11b wireless LANs operate in the 2.4 GHz frequency band. There are several channels (frequencies) that wireless LANs can use in this range. Government regulations prescribe which channels may be used in various parts of the world.
There are two basic wireless networking topologies -­infrastructure mode and ad hoc mode; these are described in the detail pages (see below).
Click on these links for more details on wireless LAN topologies:
Detail:
infrastructure mode
Detail: ad hoc
mode
Detail: standalone
peripheral connections
Detail: computer
connections
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NETWORKS
DETAIL
Infrastructure mode
Terminology: Infrastructure mode is referred to as a "basic service set" (BSS). It's topology is sometimes called a "star topology", and it may also be called "enterprise mode" because it is the preferred topology for large networks. On a network of Apple Macintosh computers, it may be called an "Airport network".
Topology: In infrastructure mode, all signals travel through an access point. Like the hub in a wired LAN, the access point re-sends the incoming signals out to the computers and other devices on the network. (The access point performs additional functions when a wireless LAN is connected to a wired LAN.) Infrastructure mode is suitable for wireless LANs of all sizes.
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In infrastructure mode the access point sets the channel for all device that communicate through it.
A wireless LAN can have multiple access points. This can expand the capacity of the network and extend its range, allowing users to roam with their portable computers and still stay connected to the network.
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NETWORKS
DETAIL
Ad hoc mode
Terminology: Infrastructure mode is referred to as an "independent basic service set" (IBSS). It is sometimes called "peer-to­peer mode". On a network of Apple Macintosh computers, it may be called "computer-to­computer mode".
Topology: In ad hoc mode the wireless devices on a network communicate directly with each other, and access points are not used. Ad hoc mode is used for very small networks. Performance in an ad hoc network degrades as you add more devices to the network; typically, ad hoc networks connect no more than six devices.
In ad hoc mode you can select the channel. Make sure that all devices on the network are set to the same channel.
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NETWORKS
DETAIL
Standalone peripherals
Not all wireless connections are network connections. Though the distinctions may often be somewhat blurry, some wireless technologies -­such as the Bluetooth technology that is becoming popular in mobile phones and handheld computers -­are more about connecting a computing device to a peripheral, rather than connecting computers and other devices in a network.
For instance, when a handheld computer connects with a walk-up wireless printer, or when a mobile phone connects with a vending machine, the interactions between them are typical of a standalone computer talking to a peripheral device. In essence, the wireless connection replaces the cable in a standard peripheral connection. Compared to network connections, such wireless peripheral
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connections work at short ranges and slow speeds.
(In this tutorial, we will concentrate on the networking that is typified by 802.3-type wired networks and
802.11b-type wireless networks.)
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NETWORKS
DETAIL
Computer connections
Connections at the computer for wireless networking connections are simpler than wired ones just because there are no wires to connect.
Wireless connections are most common in portable computers. Increasingly, notebook computers come with built-in wireless networking. For notebook computers that don't have built-in networking, you can plug a wireless networking card into the computer's PC card (PCMCIA) slot. (Wireless networking is based on radio technology, and in many add-on cards the antenna protrudes slightly from the PC card slot.)
Desktop PCs can have wireless networking, too. A typical arrangement is for an adapter in a desktop PC to contain a PC card slot, into which you plug the same kind of wireless networking card
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that you would use in a notebook computer.
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Mixed LANs
Mixed LANs combine wired and wireless LANs, taking advantage of the strong points of each. For example, a mixed LAN can provide the flexible connections of wireless with the high overall throughput of a wired LAN. Such an arrangement makes it particularly easy for mobile workers to connect their notebook computers to the network.
You create a mixed LAN by plugging the network cable from a wired LAN into a port on a wireless access point. In addition to acting as a hub for the wireless portion of the network, the access point acts as a bridge to the wired portion. In a typical case, when a computer with a wireless LAN card comes within range of the access point, it connects through the access point to the LAN (both the wired and wireless portions) and to all the computers and other resources on the LAN.
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L is for Local
The "local" in "local area network" means that the network is in a single location. A LAN can be small enough to serve a home office or a small business, or it can be large enough to serve a school, a hospital, or a substantial business or public office. It can cover several buildings, as long as they can all be connected into a single network. Several types of LAN equipment are available to expand a LAN beyond the workgroup­sized unit typically served by a single hub.
Note that the definition of a local area network does not include broader networks such as the Internet or a corporate network with locations in many cities or countries. These broader networks are often called WANs, or wide area networks. It is possible for a LAN to connect to such a network through a gateway -- a device that connects different types of networks. The gateway
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can be a separate piece of equipment, or it can include the LAN hub. (This latter type of gateway is becoming increasingly common for Internet connections, particularly for high­speed DSL connections.)
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Addresses
Each device on the network has a unique address. This allows you to communicate with a specific computer (or other device, such as a printer). That way, your e­mail doesn't go to everybody, and your print job doesn't get printed simultaneously on all printers on the network.
There are several addressing schemes for networks. Of these, the most popular is that of the Internet Protocol (IP). In addition to being used on the Internet, IP addressing can also be used for standalone networks that don't connect to the Internet. The network addresses shown in the illustration are sample IP addresses.
Other network addressing schemes you may encounter include IPX (used with Novell NetWare networks), DLC, and AppleTalk. In this tutorial, we limit our discussion of network addressing to IP
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addressing, as it is the most popular.
The number of possible IP addresses is huge. So is the number of Internet users, and the possibility of conflicts is a real one. If you use IP addresses on your LAN and that LAN connects to the Internet, you must be careful to use addresses that have come from a reliable source, such as your Internet service provider (ISP).
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Wireless security
Wireless networks are inherently less secure than wired ones. In a wired environment an intruder needs to gain physical access to your network wiring to break into your network; in a wireless environment, he just needs to be in range of the radio waves that carry the network traffic. Since these waves penetrate building walls and easily carry for tens of meters, an intruder sitting in a car in your parking lot could monitor the traffic on the wireless LAN in your building.
To frustrate intruders, a number of standards have been developed to make security for a wireless network more-or-less equivalent to that of wired networks. These standards work in three areas:
Network name (SSID): A network name, or service set identifier (SSID) is an alphanumeric character string that provides basic access control on a wireless network. To transmit onto
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the network, the network name of a computer or other device must match the name configured into the access point.
Authentication: Authentication verifies the identity of a user or device before the user or device is allowed to transmit onto the network. There are several different schemes of authentication that you might encounter when installing an HP Jetdirect print server:
Open system: No
authentication.
Shared key: Each
device uses the same shared key (a shared password value) for network access.
Server-based
authentication: A server on the network authenticates each client that requests a connection to the network. There are several protocols available, all based on the Extensible Authentication Protocol (EAP). Briefly described, they are:
LEAP
(Lightweight Extensible Authentication
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Protocol) -- a proprietary protocol from Cisco Systems that uses passwords for mutual authentication (that is, the client and the server authenticate each other).
PEAP
(Protected Extensible Authentication Protocol) -- a mutual authentication protocol that uses digital certificates for server authentication and passwords for client authentication. For additional security, the authentication exchanges are encapsulated within TLS (Transport Level Security).
EAP-MD5
(EAP using Message Digest algorithm 5) -­a one-way authentication
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protocol that authenticates the client using a password protected by the MD5 algorithm.
EAP-TLS
(EAP using Transport Level Security)
-- a mutual authentication protocol based on digital certificates.
EAP-TTLS
(EAP using Tunneled Transport Level Security)
-- a mutual authentication protocol that uses digital certificates for server authentication and passwords for client authentication. For additional security, the authentication exchanges are encapsulated within TLS (Transport Level Security).
Encryption: Encryption methods encode the traffic
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on the network, rendering it unintelligible to an intruder who is monitoring it. WEP (wired equivalency privacy) is an IEEE 802.11 encryption scheme that provides basic access control and data privacy on your wireless network. Under WEP, you supply encryption keys that are used to encrypt the data stream.
In addition, some of the authentication protocols, such as LEAP and EAP­TLS, can manage encryption keys for the network administrator.
Wireless print server security: As you set up
your wireless print server, the wireless setup wizard will make it easy to match the print server's security settings to those of your network. The wizard's help pages provide considerable detail on the process.
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Network Basics

Section 2:
Network Printing
Click the button to continue.
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NETWORK PRINTING
Why use network printers?
Using network printers lets you meet your computer users' printing needs more efficiently. By sharing printers among several users, you reduce the number of printers you need. This approach
saves money --
there's less equipment to buy
saves space --
users don't need to make space for a printer
saves maintenance
-- fewer printers mean less bother
all with little inconvenience to users. (In fact, shared printers may be more convenient: nobody has to go without a printer or change to a different computer just to print; and sharing may save enough money to let you purchase printers with more functions or greater speed.)
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NETWORK PRINTING
Why use a print server?
A print server provides your printer with
connection to the network. You could get
the same connection using a computer -- your network server -- but it would cost more and be more complex. Using a print server saves you money and frees up your network server for other tasks, such as file storage.
You might want to use a network server for
management of print jobs, a function that may
be useful for larger networks. In such an application you will still probably want to use a print server, because its small size gives you location flexibility. Using a print server, you can easily place your printers near your users, while keeping the network server out of the way in a central computer area. (You will see this application in the notes on the client/server topology, a couple of
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pages later in this tutorial.)
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NETWORK PRINTING
Hardware connections
Print servers can be internal or external devices. Which one you choose depends on your printer.
Internal print servers
-- These are special-
purpose cards or modules that plug into the built-in input/output slot in the back of some printers. The slot provides the data and power connections for the print server, and the network cable plugs into the network connector on the face of the print server.
Internal print servers come in a variety of configurations to match the style of your printer slot and the type of network connection you need.
External print servers
-- External print servers
are for printers that don't have a built-in slot. The print server is a small module that sits next to the printer (or mounts on
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the printer using a clip) and connects to the printer's USB or parallel port using a standard printer cable. A network cable plugs into the network connector on the print server, and a power cord connects to a wall outlet to provide the print server's power. (We haven't shown the power cord in the illustration, just to keep the drawing simpler.)
External print servers come in several different configurations to match the printer's data port (USB or parallel) and the type of network connection you need.
Wireless print servers
-- Wireless print servers
come in both internal and external models. Their connections are similar to the those of wired print servers, except that there is no network cable connection. (An antenna in the print server makes the radio-frequency connection to the wireless network.) The connection to the printer, whether by plugging the print server into the printer's input/output slot or connecting a printer cable to the printer's USB or
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parallel port, is the same as with a wired print server.
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NETWORK PRINTING
Peer-to-peer topology
There are two standard layouts for network printing using a print server. The first is the peer­to-peer topology, in which a computer sends print jobs directly to the printer.
In peer-to-peer printing, each computer manages the print jobs that it generates. It checks to see whether the printer is ready to accept the print job, and sends the job if the printer is free. If the printer is not free, the computer stores the job and keeps checking the printer until it is ready to accept the job. If several computers send jobs to a printer at the same time, printing for some of the computers may slow down as they spend time checking the printer and waiting for it to be available.
Peer-to-peer printing works well on networks with few users. It is appropriate for small and medium offices, as well as large offices that do not
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have heavy printing requirements.
(Note: To clarify the use of similar terminology, please note the distinction between wireless peer-to­peer mode (usually known as "ad hoc mode") and HP Jetdirect peer-to-peer printing. Wireless peer-to­peer mode refers to a topology where wireless devices communicate directly without going through an access point, while HP Jetdirect peer-to­peer printing refers to a computer's direct print path to a printer that does not go through a network server. HP Jetdirect peer­to-peer printing can be used on both infrastructure and ad hoc (peer-to-peer) wireless topologies.)
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NETWORK PRINTING
Client/server topology
The second standard layout for network printing is the client/server topology. In this topology, a computer sends its print jobs to a network server, and the server sends the print jobs to the printer.
In client/server printing, the network server manages the print jobs from several computers (the clients). As soon as a client computer has sent a print job to the server, it is finished with that print job. The server keeps track of all print jobs from there on -- figuring out the print order for the various jobs that have been submitted to it, checking the printer's availability, and sending the next job to the printer when it is free.
Client/server printing works well on networks with heavy printing traffic. It is typically used in large offices that have extensive networking
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facilities.
Choosing a topology -- If you don't know whether to use a peer-to-peer or a client/server topology, you may want to start with peer-to-peer printing. It generally takes a substantial amount of printing traffic, or large print jobs, to slow down printing significantly. If your print jobs start to take noticeably longer to complete, you may want to try using multiple printers, dividing your network into subnetworks, or switching your office to client/server printing (in that order).
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Network Basics

NETWORK PRINTING
Printer drivers
The printer driver is the last major component to consider in network printing. This driver is system software that converts a document in your computer to a form that makes sense for the printer.
When you print from an application on your computer, it is the printer driver that converts the layout on your screen to the ones and zeros that the printer takes as input. When the printer receives this information, it converts the ones and zeros into a correctly printed page.
The installer program for network printing needs to have the printer driver to complete the installation. It usually turns out that the trickiest thing about the installation is knowing where to find the driver. You may be able to find the driver on the CD that came with your printer, on the Web, or on your operating system CD. If you previously had
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the same printer connected directly to your computer, the right driver may already be on your system. (We will provide more information on finding and using printer drivers in the next section, "Installing a Network Printer".)
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Network Basics

Section 3:
Installing a Network Printer
Click the button to continue.
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Network Basics

INSTALLING A NETWORK PRINTER
Setting up the hardware
The first stage of installing a network printer is setting up the hardware. There are two steps to this: setting up the printer hardware and connecting the print server.
Set up the printer hardware -- Remove
any shipping materials. Install the paper trays and ink or toner cartridges (as appropriate). Add paper. Plug in the power cord and switch on the power. Print a test page. Do not connect the printer to your computer. (For detailed instructions, check your printer manual or setup poster.)
Connect the print server -- There are a
couple of different cases to consider:
If you use an
external print server: Switch off
the printer's power.
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Network Basics
Connect the printer cable (USB or parallel, as appropriate) between the printer and the print server. Connect the network cable to the print server. Switch on the printer's power. Plug in the print server's power cord. Push the Test button on the print server to print a configuration page on the printer; this tests the connection between the print server and the printer. (For detailed instructions, check your print server manual or setup poster.)
Note: For a wireless print server the
connection sequence is the same, except that there is no network cable to connect.
If you use an
internal print server: Note that
many printers come with the print server module
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already installed in the printer. If your print server module is not already installed: Unplug the printer's power cord. Plug the print server into its slot in the printer. Connect the network cable to the network connector on the print server. Plug in the printer's power cord. (For detailed instructions, check your print server manual or setup poster.)
Note: For a wireless print server the
connection sequence is the same, except that there is no network cable to connect.
Note: If your network wiring is hidden -- In
many network installations, the network components (hubs, switches, &c) are stored in a wiring closet and the network wiring is hidden in the walls. The only sign of a network that you see in such an installation is a
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wall outlet that has one or two network connectors. In this case, make your network connection by connecting a network cable between the print server and the wall outlet. (If you have any questions about such an installation, check with your network administrator.)
Note that the illustration shows only the data connections (network cables and printer cable); we have omitted power cords from the illustration to keep the drawings simple.
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INSTALLING A NETWORK PRINTER
Running the Install Network Printer Wizard ("the installer")
But first, are you installing a wireless print server?
If you are installing a wireless print server, you will need to run the HP Jetdirect Wireless Setup Wizard before running the HP Install Network Printer Wizard. Running the Wireless Setup Wizard is an option that appears when you insert the HP Jetdirect CD into your Windows computer.
The Wireless Setup Wizard guides you through:
setting your computer to connect to the print
server in wireless ad hoc (peer-to-peer) mode
discovering your wireless printer on the
network
setting a few wireless parameters
(communication mode, authentication, and encryption) on the print server
Then you set your computer back to its normal connection to your network, and continue with installing the printer on your computer, using the Install Network Printer Wizard.
The Install Network Printer Wizard
The next (and last) stage of installing a network printer is using the network printing software to install the printer on your computer.
If you're setting up peer-to-peer
printing, you need to run the software and
install the network printer on each computer that will print to the target printer.
If you're setting up client/server
printing, you need to run the software and
install the network printer on the network server and set it up for printer sharing. Then each client computer must install the printer driver and connect to the shared printer on the network server. An easy way to do this is to use the Microsoft Windows Point and Print function. (See your operating system documentation for details on Point and Print.)
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The installer program performs several major functions:
detects available printers on the network
helps set up an address for the printer you
choose
installs the printer driver
optionally sets up printer sharing (only
available if running on a Windows NT/2000 network server)
Operation
Note: The next few paragraphs describe the operation of the installer software that resides on the HP Jetdirect CD. If you are using the network printer installer that resides on the printer's CD, the operation may be slightly different from what we describe here. In particular, some printer CDs do not offer you the option of "Autoconfigure network settings for me". In such a case, the installation will proceed as though you chose the "Let me configure my own network settings" option described below. (If you are trying to decide whether to use the Jetdirect CD or the printer CD, the discussion of
Which CD do I
use? may be helpful.)
To run the installer program, insert the CD into your computer's CD-ROM drive. On most systems the CD browser application will start automatically. If it doesn't start automatically on your system, double­click on SETUP.EXE in the root directory of the CD to start it. Once the browser has initialized, it will give you a choice of actions -- choose Install by clicking on the top button.
When the installer starts, it lets you choose how it operates:
Auto-configure network settings for me.
This is the easy option -- the installer automatically assigns network settings, such as IP addresses. This is probably the right option to choose, unless you are a network administrator and need to assign specific network settings.
Let me configure my own network
settings. This is the option for advanced users. It gives you control over the IP or NetWare parameters and other network settings that are assigned to the network printer. If you are a network administrator, this may be the right choice for you.
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Once you have made this choice, the installer proceeds with its tasks, asking you for the information it needs at each point. If you chose "Auto­configure . . ." it will ask only a few questions; if you chose "Let me configure . . ." it will ask some detailed questions about the setup of network addressing.
Printer drivers
At some point late in the installation, the installer needs to have the printer driver to complete the installation. So at that point the installer may ask you where to find the driver. Knowing where to find the driver is usually the trickiest part of the installation.
Technically speaking, what you need is a driver that installs using a .INF information file (rather than installing by running a .EXE file) There are several alternatives for finding this driver and its .INF file:
In many cases this is the same driver that is
used for a direct (non-networked) printer connection, and you can probably find the driver on the CD that came with the printer. (In fact, some printers come with the network installer program on the printer CD. If your printer is one of these, the simplest way to install your network printer is to run the installer from the printer CD instead of from the HP Jetdirect CD, since the installer knows where to find the driver on the printer CD. For a list of these printers, click on this button:
.)
If you want to make sure of having the latest
driver for your printer, you can download it from the Web. If your printer is an HP printer and you are running the installer in the "Autoconfigure network settings for me" mode, you can select the option to download a driver automatically from the Internet. The installer will search the HP support site for a driver for your printer and, if it finds one, will automatically download it and install it for you. If you don't select the option to download a driver automatically from the Internet, you can download one manually before you run the installer. The HP support site at
http://www.hp.com/cposupport/software.html
has current drivers for most HP printers.
You may be able to find the driver on your
operating system disc. If the operating system is more recent than the printer, it probably includes a driver for that printer.
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If you previously had a direct connection from
your computer to the same printer, or a network connection to another printer of the same model, the network printer installer may be able to use the driver that is already on your computer.
The installer software takes the driver location you specify, finds the driver, and installs it in your system.
Once the installer has finished, you are ready for network printing from your computer.
The End
When installing the network printing software, some users are unsure when the installation is complete. When the network printer is installed on your computer and you can print to it, the installation is complete.
Confusion sometimes arises in the situation when you have two CDs -- a printer CD and the HP Jetdirect CD
-- and you have just finished the installation from the printer CD. It is common to wonder whether you should run the installer on the Jetdirect CD as well. You don't need to. Once your network printer prints successfully, you're done with the installation on that computer. (Of course, if you are installing the network printer software for peer-to-peer printing from several computers, you will need to run the installer from each computer.)
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INSTALLING A NETWORK PRINTER
DETAIL
Printers that include the network installer
Many newer HP printers (January 2000 or later), including multifunction peripherals (MFPs) and All-in-One devices, include network installation software on the printer CD. If your printer is in the list below, use the printer CD for installation.
HP LaserJet 1200 HP LaserJet 1220 HP LaserJet 2200 HP LaserJet 3300 series HP LaserJet 4100 series HP LaserJet 9000 HP LaserJet 9000MFP HP Business Inkjet 2280 HP Color Inkjet cp1160 HP Deskjet 5550 HP Officejet D series
If your printer is not identified above, or you cannot locate your printer’s CD, you should:
First, locate your printer's driver. (The summary on the preceding page should help
you.)
Then, run the installer from the HP Jetdirect CD.
Note that if you use the HP Jetdirect CD for MFP or All-in-One devices, some features other than printing (such as scanning and faxing) may not be accessible. Use the printer CD to get all features.
Note: An HP Web Jetadmin CD-ROM may also be included with selected HP JetDirect products. HP Web Jetadmin is a feature-rich printer management tool. However, it is not required for network printer installation.
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End of Network Basics tutorial
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Network Basics

Tips on Getting Started
Background
Installing a network printer is quite straightforward:
First, you set up your hardware. This involves setting up your printer, and
then setting up a print server to connect the printer to your network.
Then, you run the network printing software to install the printer on your
computer.
If you have purchased your printer and print server separately, you probably have two sets of documentation and two installation CDs -- which do you use? The section below on
Which CD do I use? should help you get started in the right place.
In addition, sometimes it's not immediately apparent where to find the printer driver that the installer needs. The section below on
Where do I find the printer
driver? provides some useful pointers.
Finally, the section below on
When do I stop? answers questions about when the
installation process is complete and whether, if you have two CDs, you need to use both of them.
If you would like a brief overview of what networks and network printing are about, along with some additional detail on the installation process, click here for
The Network Basics Tutorial.
Which CD do I use?
If you have both a printer CD and the Jetdirect CD, the steps below will help you
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decide which one to use.
Step 1: Is the print server's network connection wireless or wired?
Wireless: Go to step 4.
Wired:Go to step 2.
Step 2: Is the printer on the following list?
HP LaserJet 1200 HP LaserJet 1220 HP LaserJet 2200 HP LaserJet 3300 series HP LaserJet 4100 series HP LaserJet 9000 HP LaserJet 9000MFP HP Business Inkjet 2280 HP Color Inkjet cp1160 HP Deskjet 5550 HP Officejet D series
No: Go to step 3.
Yes: Use the printer CD. (It knows where to find the printer driver.) When
prompted, select the network connection option.
Step 3: Is the printer an MFP (multifunction printer) or an Officejet All­in-One printer?
No: Go to step 4.
Yes: Use the printer CD to install the printer as if it were connected directly
to your computer; this will install the printer driver on your computer. (You don't need to make any physical connection with a printer cable; just specify "parallel" when asked for the port.) Then use the Jetdirect CD to install the printer as a network printer. (This will use the printer driver that you just installed on the computer, and will set up the print path to the printer via the network.)
Note: Only the printing function will be available over the network. Other functions, such as scanning and faxing, will not be available over the network.
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Step 4: For other HP printers or non-HP printers:
Use the Jetdirect CD to install the printer on your network. (You will need to know where your printer driver is located. See
Where do I find the printer driver? for
more information.)
Note: An HP Web Jetadmin CD-ROM may also be included with selected HP Jetdirect products. HP Web Jetadmin is a feature-rich printer management tool. However, it is not required for network printer installation.
Where do I find the printer driver?
At some point late in the installation, the installer software needs to have the printer driver to complete the installation. So at that point the installer may ask you where to find the driver. Knowing where to find the driver is usually the most subtle part of the installation.
If you are running the installer from your printer CD, the installer generally knows right where to look for the driver -- on the CD. If you are running the installer from the Jetdirect CD, the installer will probably need you to tell it where the driver is. Here are a few places you can look:
The best source of a driver for your printer is the Web, because that gives
you the latest driver. (The drawback of getting your driver from the Web is that some drivers are quite large, and may take several minutes to download at modem speeds. We think it's worth spending the time.) The HP support site at
http://www.hp.com/go/get_software has current drivers for most HP
printers. If your printer is an HP printer and you are running the installer from the
HP Jetdirect CD in the Autoconfigure network settings for me mode, you can select the option to download a driver automatically from the Internet. The installer will search the HP support site for a driver for your printer and, if it finds one, will automatically download it and install it for you. If you don't select the option to download a driver automatically from the Internet, you can download one manually before you run the installer.
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In many cases the driver is the same one that is used for a direct (non-
networked) printer connection, and you can probably find the driver on the CD that came with the printer.
In technical terms, what you need is a driver that installs using a .INF information file (rather than installing by running a .EXE file). Make sure that your driver files include the .INF file. (If you can't find the printer's .INF file, you may have to download the driver from the Web.)
You may be able to find the driver on your operating system disc. If the
operating system is more recent than the printer, it probably includes a driver for that printer.
If you previously had a direct connection from your computer to the same
printer, or a network connection to another printer of the same model, the network printer installer may be able to use the driver that is already on your computer.
The installer software takes the driver location you specify, finds the driver, and installs it in your system.
When do I stop?
Essentially, you are finished with the installation process when you have a network printer installed on your computer and you can print to it. That's usually when the test page prints successfully.
If you have two CDs -- a printer CD and the HP Jetdirect CD -- and you have just run the installer from the printer CD, it's common to wonder whether you should be running the installer on the Jetdirect CD as well. ("After all, that second CD must be there for a reason. Maybe I should run that installer, too, just to be sure. . . .") You don't need to do that. Once your network printer prints successfully, you're done. (We put the installer on the Jetdirect CD for situations where you can't find your printer CD, or where the printer CD's installer doesn't deal with network printers. If your printer CD does handle network printers, just run that installer and stop when it's done.)
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HP Jetdirect 280m user's guide

General information
on the HP Jetdirect 280m print server
General description
The HP Jetdirect 280m is an LIO print server module. That is, it plugs into the LIO slot of certain HP printers and provides network connections for those printers. Formally speaking, it is:
J6044A
HP Jetdirect 280m 802.11b internal wireless print server
This print server connects to 802.11b wireless networks.
The print server includes an embedded Web server that allows remote management through a Web browser.
Compatibility
This print server connects to wireless networks that are compatible with the IEEE
802.11b standard. It can connect to devices on such networks either directly ("ad hoc" or "peer-to-peer" mode) or through a wireless access point ("infrastructure mode"). It can also connect through an access point to wired Ethernet networks.
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The 280m print server supports both peer-to-peer and client/server printer networking under TCP/IP; peer-to-peer printer networking under IPX/SPX (direct mode), Apple EtherTalk, and lpd printing; client/server IPX/SPX printer networking under Novell NetWare; and DLC/LLC, FTP and IPP printing. These protocols are, in various combinations, supported on these operating systems: Windows (98, 2000, ME, NT 4.0, XP, and XP 64-bit), MacOS, Novell NetWare, IBM OS/2 Warp, HP-UX, Solaris (on SPARC systems), SCO UNIX, IBM AIX, MPE­IX, and Artisoft LANtastic. See the section on Specifications for details of which
operating systems support which protocols.
The Jetdirect 280m print server supports both 40/64-bit and 128-bit WEP encryption. In addition, it supports several 802.1x authentication protocols: LEAP, PEAP, EAP-MD5, EAP-TLS, and EAP-TTLS.
The embedded Web server, which allows you to monitor and manage the print server remotely, requires Microsoft Internet Explorer 5.0 or later, or Netscape Navigator 4.75 or later.
See the
Specifications section for more details on the print server.
Nomenclature
The main parts of the print server are shown in the illustration:
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The print server module plugs into the LIO slot of the printer until the latches click into place for a secure connection. (To unplug the print server, you press the
latch release buttons and pull the print server out of the LIO slot.) The status light shows the state of the wireless network connection and the health of the print
server (see the light codes in the Troubleshooting section on the setup poster that came with the print server). You push the test button to print a configuration page on the attached printer (see the section on the HP Jetdirect configuration page in the HP Jetdirect Administrator's Guide).
Package contents
The HP Jetdirect 280 m product includes:
print server module
HP Jetdirect CD (includes installation software, manuals, and
troubleshooting)
setup poster
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HP Jetdirect 280m user's guide

Installation
There are two parts to installing the print server: hardware installation and software installation. You should install the hardware first.
Hardware installation
1. Set up the printer hardware. Do not connect the printer to your
computer with a USB or parallel cable.
2. Switch on the printer's power.
3. Plug in the print server. Push it into the LIO slot on the back of the
printer until it clicks into place.
4. Print a configuration page by pushing the Test button ( icon) on the print server. If the page does not print successfully, see the
troubleshooting section.
Software installation
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1. Configure the wireless printer to communicate on your network.
You will use the HP Jetdirect Wireless Setup Wizard for this task. (This step puts the printer on your wireless network. It is functionally equivalent to plugging the network cable into a printer on a wired network.)
a. Choose a wireless computer from your wireless network.
During the configuration your computer will be communicating with the wireless printer in ad hoc mode, which involves direct wireless communication between the computer and the printer (without going through a wireless access point).
b. Make a note of your computer's wireless settings. You will
configure these settings onto the wireless printer.
Mode (network type): Ad hoc (peer-to-peer) or Infrastructure
(using a wireless access point)
Network name (SSID)
Encryption and authentication settings
c. Insert the HP Jetdirect CD into the wireless computer's CD-
ROM drive. (If the CD does not automatically start, run SETUP.EXE
from your CD-ROM drive.)
You will use the Wireless Setup Wizard on this CD to:
change the wireless settings on your computer to communicate
with the wireless printer
download the new network configuration to the printer
d. Run the Wireless Setup Wizard. From the CD's opening screen:
Click "Install".
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Select "Wireless", then click "Next".
Select "Yes", then click "Next".
Select "Step 1 -- Configure printer's
wireless settings", then click 'Next".
The Wireless Setup Wizard starts. We recommend that you click on the image in the Help panel to view the Overview. The Overview explains the subtleties of wireless setup.
e. Continue with the Wireless Setup Wizard. When you have
completed the Overview section of the Help, return to the opening screen of the Wizard and click "Next" to continue. Then follow the instructions that appear on the screen.
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The Wizard will establish communication with the printer. It will try to change your computer's wireless configuration so it can talk to the printer. If it can't do this automatically, it will ask you to do it manually (using your wireless card's configuration utility or using the
built-in functions of Windows XP).
When the Wizard finds the printer, it will ask you for its new configuration parameters. You will supply these from the information you wrote down in step 1b, above. The Wizard will then download the new configuration to the printer. At this point the printer becomes part of your wireless network.
Finally, the Wizard will try to change you computer back to its original wireless configuration, so it can talk on your network. If the Wizard can't do this automatically, it will ask you to do it manually.
2. Configure the computer to print to the printer. You will use the HP
Jetdirect Install Network Printer Wizard for this task. This step installs the printer driver on the computer and sets up the print path from the computer to the printer.
a. Run the Install Network Printer Wizard. When the Wireless
Setup Wizard completes, you will return to this screen.
Since the printer is now configured, this
time choose "Yes", and on the next screen choose
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"Step 2 -- Install the printer on this computer". The Install Network Wizard will start. Follow the instructions on the screen to configure your computer to print to the newly installed wireless printer.
You will need to have your printer driver available for installation. If you don't have the driver, you can get it from the Web at www.hp.com. If the driver is already on your system (from a directly connected printer), the installer software can use that driver.
b. Configure other computers on your network. Run the Install
Network Printer Wizard on the other computers on your network to configure them to print to the new printer. To run the Wizard:
Insert the HP Jetdirect CD into the computer's CD-ROM drive.
(If the CD does not automatically start, run SETUP.EXE from your CD-ROM drive.)
On the opening screen, click "Install".
Select "Wireless", then click "Next".
Select "Yes, the wireless settings have been configured . . .",
then click "Next".
Select "Step 2 -- Install the printer on this computer", then
click "Next". This will start the Install Network Printer Wizard.
Note: If you have a large network and are setting up a client/server printing environment, set up the wireless printer as you would any other (wired) network printer.
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HP Jetdirect 280m user's guide

Using Windows XP to set the computer's wireless configuration
You can use the built-in configuration utility in Windows XP to configure your computer's wireless settings. To get to the configuration screen:
1. On the desktop, select "My Network Places".
2. Select "View network connections" under "Network Tasks".
3. Select "Wireless Network Connection" in the "LAN or High-Speed Internet" list.
You can view "Details" in the column on the left to see basic connection information.
4. Double-click "Wireless Network Connection" to get the "Wireless Network Connection Status" dialog box.
5. Select "Properties" to get the "Wireless Network Connection Properties" dialog box.
6. Click on the "Wireless Networks" tab, if necessary.
From this point you can perform several configuration tasks.
To set the wireless communication mode click on the "Advanced" button and select the mode you want.
To set the network name (SSID) and encryption click on the "Add" button under "Preferred networks" and fill in the network name and encryption information. (Encryption and authentication are off by default.) When you return to the "Wireless Networks" screen, you may need to use the "Move up" button to move the network name to the top of the list.
To set the authentication method click on the "Authentication" tab and select the appropriate configuration parameters.
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HP Jetdirect 280m user's guide

Troubleshooting
for the HP Jetdirect 280m print server
Quick checks Full diagnosis
Some useful techniques:
Interpreting the status light Printing a configuration page Interpreting a configuration page Resetting to factory defaults (cold reset)
Quick Checks
Here are a few common problems, and some possible corrections:
Problems during installation
1. Computer can't communicate with wireless print server during initial configuration. The Wireless Setup Wizard expects your compter to match the print server's factory default wireless configuration:
Mode: Ad hoc (peer-to-peer)
Network name (SSID): hpsetup
Encryption: disabled
Make sure you are running the Wizard from a wireless computer, and that your computer matches these settings. (Use your wireless card's configuration utility or
Windows XP to check and change these
settings.)
2. Wizard does not discover printer. Print server may not be set to
factory default configuration, so Wireless Setup Wizard will not find it. Reset print server to factory default configuration (
click here for
procedure).
3. Test page does not print.
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HP Jetdirect 280m user's guide
Make sure that you reconfigured your computer at the end of
the Wireless Setup Wizard. When you use the Wizard, you start by changing your computer's configuration so it can talk to the unconfigured print server. At the end of the Wizard, you must change your computer's configuration back to its original settings, so it can talk on your network. The Wizard tries to make those configuration changes for you, but it can't make them in all cases. If you had to make the first set of changes manually, you will also have to make the second set of changes manually. (Use your wireless card's configuration utility or
Windows XP to check and change these settings.) If you didn't
reconfigure, your computer is not on the same network as your printer, so it can't print to it.
Make sure that you completed both the Wireless Setup Wizard
and the Install Network Printer Wizard. The first puts the computer on your network, the second sets up the print path from your computer to the printer.
Problems during normal operation
1. IP address of printer changed. If your printer gets its IP address from a DHCP server -- including a residential gateway -- and the print server's power is removed (print server unplugged or printer power unplugged), the print server may receive a new IP address from the DHCP server when its power is applied again. In that case, computers printing to the printer's old IP address will not be able to find the printer. Use the Install Network Printer Wizard to re-install the printer on each of the computer on the network. Also consider assigning a static IP address to the printer, if possible, to prevent recurrence of this problem. (If you're going to change to a static IP address on the printer, do that before you re-install the printer on the computers.)
2. Network security configuration changed. If your network
administrator changes your network's encryption keys periodically to increase network security, make sure that you change the printer's keys when the network's keys change. (If the network access point and the computers change but the printer does not, the printer is no longer on the network.)
If these quick checks don't point to your problem, use the full diagnostic procedure, below.
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HP Jetdirect 280m user's guide
Full diagnosis
This interactive troubleshooter asks you questions about your print server. You answer by clicking on the appropriate buttons, and the troubleshooter leads you to a diagnosis of your problem. If it can't find the problem, it refers you to HP technical support.
Click on the button below to start troubleshooting.
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HP Jetdirect troubleshooting

Check the Status light.
Check the Status light on the print server. In the table below, click on the description that matches the light's behavior.
Off
On, solid green
Green, blinking slowly
Amber, blinking slowly
Green, blinking quickly
Green, flickering
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HP Jetdirect troubleshooting

Is the printer ON and ONLINE?
The print server is not receiving power. First, make sure that the printer is operating properly. Check these items:
Is the printer plugged in and switched on? Make sure that the printer
is plugged in and switched on. If your printer has a front panel display, it should not be blank. If you have checked these items and the printer still shows no sign of being on, you may have a defective power cable, power source, or printer.
Is the printer online? The ONLINE or POWER light should be lit. If it is
not, press the appropriate key (such as ON LINE or GO) to place the printer online. If your printer has a front panel display, check that is says "Online" or "Ready".
Is the FORM FEED light on? If your printer has a FORM FEED light and
it is on, it may indicate that a print job is waiting to be printed. Take the printer offline (if necessary), press the FORM FEED key, and then put the printer back online. If a print job starts (or continues) to print, wait for it to complete.
After looking through the list above and making any necessary changes, is your printer on and online now?
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HP Jetdirect troubleshooting

Did the print server's Status light come on?
The printer appears to be working. Next, check these items:
1. Check that the print server is seated firmly in the printer's LIO slot.
2. If that doesn't cause the Status light to come on, remove and re-insert the print server, as follows:
a. Grasp and press the latch buttons (one on each side of the print
server) and pull the print server out of the printer's LIO slot.
b. Re-insert the print server into the LIO slot, making sure that it seats
firmly in the slot and that the latches click into place.
Note: When you first apply power to a normally operating print server (by plugging it in to the printer's LIO slot), the Status light will slowly blink green for several seconds during self-test. When it has completed self-test, it will continue to blink green until it establishes a valid network connection. Once the print server connects to a network, the Status light will go ON solid green, or will flicker intermittently to show network activity; this indicates that the unit is ready for operation.
After checking the items above and making any necessary changes, is the Status light now on (any color, any blink pattern)?
If Yes, click on the Yes button to return to the start of the troubleshooting procedure and evaluate the current state of the Status light.
If No, your print server may be faulty. Fixing such a fault requires assistance from HP Jetdirect technical support; click on the No button for information on contacting HP.
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HP Jetdirect troubleshooting

Does your printer have a control panel display?
Is there a display panel on the front of your printer that provides messages about the printer's status?
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HP Jetdirect troubleshooting

Does the control panel display on your printer show an error message?
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HP Jetdirect troubleshooting

Check your printer manual.
There appears to be a printer error. Please refer to your printer manual for further information on how to correct the error, or for information on how to contact Hewlett-Packard technical support if you can't correct the error. (Note that your printer manual may be either printed on paper or stored electronically on a CD­ROM.)
After you have resolved the printer error, if you still have problems connecting the printer to the network you can restart this troubleshooting utility. Click on the button below to return to the beginning of troubleshooting for the HP Jetdirect 280m print server.
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HP Jetdirect troubleshooting

Check your printer manual.
Please refer to your printer manual for further information on what the error means and how to correct it. (Note that your printer manual may be either printed on paper or stored electronically on a CD-ROM.)
After you have resolved the printer error, if you still have problems connecting the printer to the network you can restart this troubleshooting utility. Click on the button below to return to the beginning of troubleshooting for the HP Jetdirect 280m print server.
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HP Jetdirect troubleshooting

Check your printer manual.
There appears to be a printer error. If the printer is still not online and does not show an error message on the control panel display, please refer to your printer manual for further information on how to correct the error, or for information on how to contact Hewlett-Packard technical support if you can't correct the error. (Note that your printer manual may be either printed on paper or stored electronically on a CD-ROM.)
After you have resolved the printer error, if you still have problems connecting the printer to the network you can restart this troubleshooting utility. Click on the button below to return to the beginning of troubleshooting for the HP Jetdirect 280m print server.
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HP Jetdirect troubleshooting

Can you print to the wireless printer?
The Status light indicates that the wireless printer is communicating successfully on a wireless network.
Can you print from a computer to the printer?
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HP Jetdirect troubleshooting

Print a Jetdirect configuration page.
Print a Jetdirect configuration page:
Press the test button ( icon) on the print server.
Does the configuration page print successfully?
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HP Jetdirect troubleshooting

Configuration page does not print, or is unreadable.
If the configuration page does not print successfully, try the steps below.
1. Make sure that the printer and the print server are powered on.
2. Make sure that the printer is Online or Ready.
3. It may be necessary to re-initialize the connection between the printer and the print server by cycling power on the print server. (Unplug the print server from the printer; then plug it back in.) Do this with the printer switched ON.
Can you now print a Jetdirect configuration page?
If yes, click on the Yes button to continue.
If no, your print server has a problem that requires assistance from HP Jetdirect technical support; click on the No button for information on contacting HP.
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HP Jetdirect troubleshooting

Are there error messages?
Check the configuration page for error messages.
The Status entry near the top of the page gives a good first indication of the state of the print server. Other entries provide additional detail. Refer to the page on
Interpreting the configuration page for detailed information on the meanings of
the entries.
Are there error messages on the configuration page?
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HP Jetdirect troubleshooting

Fix errors.
Fix any errors for which solutions are apparent. The page on Interpreting the
configuration page may provide useful information.
If you fix any errors, then cycle power on the printer, as follows:
Switch off the printer.
Unplug the printer's power cord.
Plug the power cord back in again.
Switch on the printer.
(This prodecure is recommended because many printers maintain power for fast warm-up even when the power switch is switched off. Unplugging the power cord ensures that power is removed from the printer.)
Did you make any changes?
If yes, click on the Yes button to go back to the beginning of the troubleshooting procedure.
If no, your print server has a problem that requires assistance from HP Jetdirect technical support; click on the No button for information on contacting HP.
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HP Jetdirect troubleshooting

Is the computer on the right network?
Check that the computer (from which you are attempting to print) is on your wireless network. Can your computer communicate with other computers or printers on your wireless network?
(If the HP Jetdirect Wireless Setup Wizard did not automatically switch your computer's wireless configuration when it completed, your computer may still be configured for the "hpsetup" network. If so, you will need to change the computer's configuration manually so it can communicate on your wireless network.)
You can check (and change) your computer's wireless configuration using the setup utility that came with your computer's wireless card, or
using the
configuration utility that is part of Windows XP.
Is your computer communicating on your wireless network?
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HP Jetdirect troubleshooting

Fix your computer's wireless configuration.
1. Use the wireless setup utility that came with your computer's wireless card,
or the configuration utility that is part of Windows XP, to change the computer's configuration so that it can communicate on your wireless
network.
2. Then run the Install Network Printer Wizard to configure your computer to print to the wireless printer. If the computer does not find the wireless printer, run the Wireless Setup Wizard instead, and then run the Install Network Printer Wizard.
To run the Install Network Printer Wizard, insert the HP Jetdirect CD
into your computer; select "Install"; select "Wireless"; select "Yes, the wireless settings have been configured . . ."; and select "Step 2 -­Install the printer on this computer".
To run the Wireless Setup Wizard, insert the HP Jetdirect CD into
your computer; select "Install"; select "Wireless"; select "No, the wireless settings have not been configured . . ."; and select Step 1 -­Configure printer's wireless settings".
End of troubleshooting procedure.
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HP Jetdirect troubleshooting

Is the printer on the same network as the computer?
The solid or flickering green Status light on the print server indicates that the printer is connected to a wireless network, but it doesn't ensure that the printer is connected to the right wireless network.
Check your printer's wireless configuration by looking at the configuration page you recently printed (or simply print another one). Compare the printer's wireless configuration to the wireless configuration of the computer. Check these parameters:
Mode of operation: ad hoc (peer-to-peer) or infrastructure (through a
wireless access point)
Network name (SSID)
Encryption configuration
Authentication configuration
(If the computer you are attempting to print from is not a wireless computer but is on a network that is connected to your wireless network, check that the printer's configuration matches the configuration of a wireless computer on the wireless network.)
Note:
If the printer's wireless configuration is:
Mode: ad hoc (peer-to-peer)
Network name (SSID): hpsetup
Encryption/authentication: disabled
then the print server is set to its factory default configuration and needs to be configured. In that case, exit this troubleshooting procedure and run the Wireless Setup Wizard and the Install Network Printer Wizard. (Start by inserting the HP Jetdirect CD into your computer. When the main screen comes up, select "Install"; then select "Wireless"; then select "No, the wireless settings have not been configured . . ."; then select "Step 1 -- Configure printer's wireless settings".)
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HP Jetdirect troubleshooting
Is the printer's wireless configuration the same as the computer's wireless configuration?
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HP Jetdirect troubleshooting

Reconfigure your printer.
Your wireless printer is not properly configured to communicate on your wireless network. Exit this troubleshooting procedure and take the following steps:
1. Reset the print server to its factory default configuration. (
Click
here for instructions.)
2. Run the Wireless Setup Wizard and the Install Network Printer Wizard. To start the Wireless Setup Wizard, insert the HP Jetdirect CD into your computer. When the main screen comes up, select "Install"; then select "Wireless"; then select "No, the wireless settings have not been configured . . ."; then select "Step 1 -- Configure printer's wireless settings".
End of troubleshooting procedure.
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HP Jetdirect troubleshooting

Does your printer get an IP address via DHCP or BOOTP?
Some printers get a network address dynamically, via DHCP -- including most residential gateways -- or BOOTP.
Does your printer get its address via DHCP or BOOTP?
If your printer gets its address dynamically, click Yes.
If your printer uses a static address, this troubleshooting procedure has gone as far as it can go. You will require further assistance from HP technical support to isolate the problem. Click No for information on contacting HP technical support.
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HP Jetdirect troubleshooting

Does your printer have an IP address?
If you have set up your printer to have an IP address (rather than an address from some other communication protocol, such as IPX or AppleTalk), does that address actually exist?
Check the TCP/IP section of the Jetdirect configuration page to see whether an address (other than 0.0.0.0) has been assigned to your printer. Make sure that the address is a valid address for your network's addressing scheme.
Does your printer have an IP address?
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HP Jetdirect troubleshooting

Retry.
It appears that a dynamic IP address has not be successfully assigned to the printer, or that you are using a network protocol other than IP.
If you are using the IP protocol, follow these steps:
1. Wait two minutes. Sometimes it takes a couple of minutes for dynamic IP addresses to be assigned.
2. Print a new configuration page and check for a valid IP address.
3. If there is still no valid IP address for the printer, cycle the printer's power:
Switch off the printer. Unplug the printer's power cord. Plug the power cord back in again. Switch on the printer.
4. Check that your network's DHCP or BOOTP server is functioning properly.
After following the above steps, does your printer now show a valid IP address?
If yes, click the Yes button to continue with the troubleshooting procedure.
If no, you will need further assistance. Click No for details on how to contact HP technical support.
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HP Jetdirect troubleshooting

Has the printer's IP address changed?
It is possible for the printer's IP address to change if the printer gets its address via DHCP and its power gets switched off -- when the power comes back on and the printer requests an address from the DHCP server, the server may give it a different address from the one it had before.
If the printer's IP address has changed, then a computer that tries to print to the old address will not be successful.
Check the address of the target printer in the printer control panel of the computer.
Is the IP address for this printer in the computer's printer control panel different from its address on the printer's Jetdirect configuration page?
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