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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 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.)

Содержание J6039C - JetDirect 200M Print Server

Страница 1: ... in the contents panel on the left TCP IP Configuration Using the Embedded Web Server Configuring for LPD printing FTP printing Security features 5 Troubleshooting the print servers 6 Technical support for the print servers 7 Specifications and regulatory information for the print servers 8 Limited warranty for the print servers 9 Some useful tools and techniques Tools Installer Embedded web serve...

Страница 2: ...o 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 ...

Страница 3: ...The Network Basics Tutorial This tutorial tells you about Networks Network Printing Installing a Network Printer Click the button to continue ...

Страница 4: ...Section 1 Networks Click the button to continue ...

Страница 5: ...r computers to be able to Communicate send and receive e mail and participate in conferences Share information transfer files among systems and get information from central databases Share resources use shared printers scanners and servers ...

Страница 6: ...NETWORKS The problem is standalone computers have no way to talk to each other so attempts at communication fail ...

Страница 7: ...ons 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 ...

Страница 8: ...twork communications between computers Wired LANs offer high speed 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 Det...

Страница 9: ... 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 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 ...

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Страница 11: ...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 coa...

Страница 12: ...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 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 com...

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Страница 14: ...ANs 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 distance the data rate drops off to 1 Mbps 802 11b wireless LANs operate in the 2 4 GH...

Страница 15: ...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 ...

Страница 16: ...cess 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 In infrastructure mode the access point sets the channel for all device that communicate through it A ...

Страница 17: ...puter 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 net...

Страница 18: ...ces 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 conn...

Страница 19: ...ing 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 int...

Страница 20: ...eir 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 acces...

Страница 21: ...d the workgroup sized 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 differen...

Страница 22: ...d 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 addressing as it is the most popular The number of possible IP addresses is huge So...

Страница 23: ...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 the network the network name of a computer or other device must match the name c...

Страница 24: ...hey are LEAP Lightweight Extensible Authentication 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...

Страница 25: ...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 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...

Страница 26: ...inistrator 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 ...

Страница 27: ...Section 2 Network Printing Click the button to continue ...

Страница 28: ...roach 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 fun...

Страница 29: ...ile 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 ...

Страница 30: ...twork 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 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...

Страница 31: ...twork 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 parallel port is the same as with a wired print server ...

Страница 32: ...ng 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 have heavy printing requirements Note To clarify the use of similar terminology please note the distinction between wireless peer to peer ...

Страница 33: ...infrastructure and ad hoc peer to peer wireless topologies ...

Страница 34: ...hat 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 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 p...

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Страница 36: ...ormation 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 yo...

Страница 37: ...Section 3 Installing a Network Printer Click the button to continue ...

Страница 38: ...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 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...

Страница 39: ...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 wall ou...

Страница 40: ...cable we have omitted power cords from the illustration to keep the drawings simple ...

Страница 41: ... 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 setti...

Страница 42: ...perates 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 para...

Страница 43: ...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 If you previously had a direct connection from your computer to the same printer or a network connection to another printer of the ...

Страница 44: ...printer software for peer to peer printing from several computers you will need to run the installer from each computer ...

Страница 45: ... 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 scann...

Страница 46: ...End of Network Basics tutorial ...

Страница 47: ...re 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...

Страница 48: ...able over the network Other functions such as scanning and faxing will not be available over the network 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...

Страница 49: ...n 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 netwo...

Страница 50: ...de an embedded Web server that allows remote management through a Web browser Compatibility The 200m and 250m print servers are compatible with 10Base T and 100Base TX Ethernet and Fast Ethernet networks They connect to the network via twisted pair cabling using an RJ 45 connector The 200m print server supports both peer to peer and client server printer networking under TCP IP and supports peer t...

Страница 51: ...the print server are shown in the illustration 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 RJ 45 plug on the network cable plugs into the network connector When the print server establishes a valid network con...

Страница 52: ... print server module HP Jetdirect CD includes installation software manuals and troubleshooting setup poster ...

Страница 53: ...mputer and the network printer The simplest way to install the software is to use the software CD that came with your printer That CD contains all the software you need for a successful network printer installation including the printer driver Click here for instructions on using this software The software on the printer s CD handles installation for Windows and MacOS systems Alternative software ...

Страница 54: ...ter s software CD as you set up your printer keep it handy for use in the software installation later 2 Connect the print server as follows Switch on the printer s power Plug in the print server Push it into the printer s LIO slot until it seats firmly and the latches click into place Plug in the network cable The print server works with either 10Base T Ethernet or 100Base TX Fast Ethernet network...

Страница 55: ...ng as the network cable is not plugged in When you plug in the network cable the status light should change to solid green to indicate a valid network connection or to intermittently flickering green to indicate a valid network connection with network activity In addition one of the two link lights the 10 light or the 100 light should come on solid green to indicate the speed of the network connec...

Страница 56: ...e network for available protocols and services Print a configuration page by pushing the test button icon The printer should print a page that has information on the print server and the print server s network addresses and other parameters for the network protocols available on the network If the page does not print successfully click here for the troubleshooting procedure This completes the hard...

Страница 57: ...rk cable is securely connected to the print server and that one of the link lights is ON solid green Wait 2 minutes for the print server to poll the network then run the installer again Perform a cold reset unplug the print server from the printer then plug it in while pressing the Test button Wait 2 minutes for the print server to poll the network then run the installer again If there is still a ...

Страница 58: ...Green flickering intermittently on and ready flickering indicates network activity ...

Страница 59: ...un its installer You will also need your printer s driver if you don t have it you can get it from the Web at http www hp com cposupport software html MacOS Install the printer driver from the CD that came with the printer That driver provides connection to your network printer via the AppleTalk protocol If the printer s CD is not available you can get the driver from the Web at http www hp com cp...

Страница 60: ...taller only on the server and set up the server 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 For basic information on peer to peer and client server printing se...

Страница 61: ...ver cable and the network port on your system This might be useful for instance if your printer s direct connect ports do not match the input output ports on your Macintosh as is the case with parallel printer ports The section on Setting up direct Ethernet printing explains how to make the connection The basics setting up to print to a network printer If all you want to do is print to a network p...

Страница 62: ...dden 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 the network that you see in such an installation is a wall outlet that has one or two network connectors In this case just use network cables to plug the computer and the print server into the wall outlets If you have any questions a...

Страница 63: ...ter in the chooser Highlight the driver type from the panel on the left if your network has multiple zones make sure that you have selected the correct zone select the printer from the list in the panel on the right make sure that AppleTalk is active Typical selection of network printer That s it You re set up to print across the network using AppleTalk If printing is all you want to do you re don...

Страница 64: ...y comes with the printer driver from the CD or Web download you probably installed the printer driver when you set up network printing the first task covered by this document To find the DeskJet utility go to your system drive open the Utilities folder and then open the hp deskjet folder Location of the HP DeskJet Utility Double click on the HP DeskJet Utility to start it and you will see this dia...

Страница 65: ...he dialog box For PostScript printers HP LaserJet and DesignJet Use the HP LaserJet Utility This utility comes on the HP JetDirect CD ROM this CD it is also available on the printer driver CD and via Web download To install the utility from the JetDirect CD ROM open up the CD in the Finder and double click on the version of the LaserJet Installer in your language this installs the LaserJet Utility...

Страница 66: ...e Edit button and follow the instructions that appear Back to top Managing network printing To change the printer name printer zone or TCP IP parameters use the HP LaserJet Utility You can use this utility even if your printer is not an HP LaserJet printer it works for DeskJet PhotoSmart OfficeJet and DesignJet printers too The utility comes on the HP JetDirect CD ROM this CD it is also available ...

Страница 67: ...you want to change from the list in the main panel click on the Edit button and follow the instructions that appear Back to top Setting up direct Ethernet printing If you want a direct connection to your printer but don t need to share the printer with other computers you can use an Ethernet crossover cable to make a direct connection between the computer and the HP JetDirect print server that att...

Страница 68: ...ow If your print server is an external model connect a printer cable between the print server and the printer The illustration shows a typical print server and printer yours may look different but the basic cabling scheme will be the same Note that we have omitted power cords from this drawing to keep things simple Crossover connection for fast direct printing Back to top ...

Страница 69: ...nfiguration page Setting an IP address Performing a cold reset reset to factory defaults Installation Troubleshooting Common Situations Though the following paragraphs don t cover all of the problems that may occur during installations the few that we discuss are common and may match your situation If these don t look like they apply to your situation proceed with hardware troubleshooting Installa...

Страница 70: ...s since you set up the printer this would make the printer unavailable For instance if someone unplugged the printer that held the print server or if the power in your building went out the print server may have acquired a different IP address when the power was re applied You can find out whether your IP address has changed by comparing the original IP address of your print server with the addres...

Страница 71: ...a network address and install the attached printer on your Windows computer The installer resides on the HP Jetdirect CD in addition if your printer works with a Jetdirect 200m or 250m print server your printer s CD contains a similar installer that will also handle network printer installation We recommend that you use the printer s CD if it is available since the installer on that CD already kno...

Страница 72: ...ess the Test button on the print server This will print out the current value of the print server s configuration parameters on the attached printer Setting an IP address The easiest way to set an IP address on the print server is to use the embedded web server You should consult with your network administrator before you make any changes to the print server s configuration and notify other users ...

Страница 73: ...y unless you manually reset them to factory defaults To reset the print server configuration to factory defaults follow these steps 1 Make sure that the printer s power is on 2 Unplug the print server from the printer 3 While holding down the Test button on the print server plug the print server back into the printer continue to hold down the Test button for about five seconds Any user configured ...

Страница 74: ...the button for more detailed information about the question At the bottom of this page are links to some additional topics related to troubleshooting the print server If you wish to change an answer you can click on this Reset button to return the page to its original state The Reset button stays inactive until you have clicked on at least one No or button Please answer the questions below in the ...

Страница 75: ...on page Related topics Interpreting the HP Jetdirect 200m or 250m configuration page Interpreting the lights on the HP Jetdirect 200m or 250m print server Resetting the HP Jetdirect 200m or 250m print server to factory defaults cold reset ...

Страница 76: ... or control panel to see whether it is ON and ONLINE If your printer s power is switched on and the printer is ready to print click on the Yes button below to return to the Troubleshooting Overview page and continue with the next step in the troubleshooting procedure If the printer is not ready to print or if you are not sure what to look for click on the No button below to start evaluating the pr...

Страница 77: ... 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 p...

Страница 78: ...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 ...

Страница 79: ...cal 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 200m or 250m p...

Страница 80: ...Does the control panel display on your printer show an error message ...

Страница 81: ...ormation 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 tr...

Страница 82: ...rinter 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 200m 250m print server ...

Страница 83: ...the button for more detailed information about the question At the bottom of this page are links to some additional topics related to troubleshooting the print server If you wish to change an answer you can click on this Reset button to return the page to its original state The Reset button stays inactive until you have clicked on at least one No or button Please answer the questions below in the ...

Страница 84: ...on page Related topics Interpreting the HP Jetdirect 200m or 250m configuration page Interpreting the lights on the HP Jetdirect 200m or 250m print server Resetting the HP Jetdirect 200m or 250m print server to factory defaults cold reset ...

Страница 85: ...ng correctly the Status light may be off blinking green or blinking amber If your print server s Status light is ON solid green or intermittently flickering green click on the Yes button below to return to the Troubleshooting Overview page and continue with the next step in the troubleshooting procedure If your print server s Status light is not ON solid green or intermittently flickering green or...

Страница 86: ...self test it will continue to blink green until you connect the network cable Once the print server establishes a valid network connection the Status light will go ON solid green this indicates that the unit is ready for operation Intermittent flickering green indicates network activity 1 Check that the printer s power cord is plugged in and that the printer is switched ON 2 Check that the print s...

Страница 87: ...eats firmly in the slot and that the latches click into place d Re connect the network cable to the print server s network connector After checking the items above and making any necessary changes is the Status light now ON solid green or intermittently flickering green ...

Страница 88: ...s of the print server s power connection and its physical connection to the network If the Status light on your print server is not ON solid green or intermittently flickering green find its state in the list below and click on it to continue troubleshooting OFF Blinking green Blinking amber ...

Страница 89: ...tus light OFF If the Status light is OFF your print server may be faulty Fixing this fault requires assistance from HP Jetdirect technical support click on the button below for information on contacting HP ...

Страница 90: ...y into the hub switch router and that the connection is set to the correct network speed 3 Check that the LINK light is ON for the port on the hub switch router to which the print server is connected 4 Your network cable may be faulty Try a different cable 5 If the light still does not come on try a different port on the hub switch router Is the Status light now ON solid green or intermittently fl...

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Страница 92: ...hese steps 1 Make sure that the printer s power is on 2 Unplug the print server from the printer 3 While holding down the Test button on the print server plug the print server back into the printer continue to hold down the Test button for about five seconds Any user configured settings will be erased After resetting to factory defaults is the Status light now ON solid green or intermittently flic...

Страница 93: ...the button for more detailed information about the question At the bottom of this page are links to some additional topics related to troubleshooting the print server If you wish to change an answer you can click on this Reset button to return the page to its original state The Reset button stays inactive until you have clicked on at least one No or button Please answer the questions below in the ...

Страница 94: ...on page Related topics Interpreting the HP Jetdirect 200m or 250m configuration page Interpreting the lights on the HP Jetdirect 200m or 250m print server Resetting the HP Jetdirect 200m or 250m print server to factory defaults cold reset ...

Страница 95: ...here is not a valid link then both the 10 and 100 lights will be off If one of the print server s link lights is ON solid green click on the Yes button below to return to the Troubleshooting Overview page and continue with the next step in the troubleshooting procedure If neither of the print server s link lights is ON solid green or if you are not sure what to look for click on the No button belo...

Страница 96: ...hts on your print server these lights are built into the network connector One of the link lights either the 10 light or the 100 light but not both should be ON solid green not blinking to indicate a valid network connection Is either the 10 light or the 100 light ON solid green ...

Страница 97: ...is setting you may need to cycle power to the print server unplug the print server and then plug it in again 3 Check that the LINK light is ON for the port on the hub switch router to which the print server is connected 4 Your network cable may be faulty Try a different cable 5 If the light still does not come on try a different port on the hub switch router Did these steps turn ON one of the link...

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Страница 99: ...age press the Test button on the print server Test button If the configuration page does not print click here for help in getting it to print 2 On the configuration page check that the print server reports its status as I O Card Ready The Status entry is the first entry in the General Information section in the upper left portion of the page Status entry ...

Страница 100: ...Does the page indicate I O Card Ready ...

Страница 101: ...ely to the print server network cable 2 Check that the network cable is plugged securely into the hub switch router and that the connection is set to the correct network speed 3 Check that the LINK light is ON for the port on the hub switch router to which the print server is connected 4 Your network cable may be faulty Try a different cable 5 If the light still does not come on try a different po...

Страница 102: ...elow please click on the error message that you see on the configuration page This will take you to a fuller explanation of the error 03 LAN Error EXTERNAL LOOPBACK 08 LAN Error INFINITE DEFERRAL 11 LAN Error RETRY FAULTS 12 LAN Error NO LINKBEAT Other Error If the error that you see on the configuration page is not listed above your problem requires assistance from HP Jetdirect technical support ...

Страница 103: ...rrectly attached to your network In addition check all other cabling and connectors For help in correcting this error please check your print server documentation the Jetdirect 200m 250m Setup Poster or the User s Guide on the Jetdirect CD ROM or contact HP Jetdirect technical support Click on the button below for information on contacting HP ...

Страница 104: ...LAN Error INFINITE DEFERRAL There is a network congestion problem For help in correcting this error please contact HP Jetdirect technical support Click on the button below for information on contacting HP ...

Страница 105: ...network cabling or with your external network configuration Verify that your hub switch router port is operating correctly For help in correcting this error please contact HP Jetdirect technical support Click on the button below information on contacting HP ...

Страница 106: ...this message is displayed if the Link Beat signal is not sensed Check the network cable and verify that the hub switch router is providing Link Beat For help in correcting this error please contact HP Jetdirect technical support Click on the button below for information on contacting HP ...

Страница 107: ...r hardware is functioning correctly your physical network connection is functioning correctly the print server and the printer are connected correctly Click on the Continue button below to return to the Troubleshooting Overview page and continue with the next step of the troubleshooting procedure ...

Страница 108: ...ng 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 This returns you to the page in the troubleshooting procedure where you check the I O status of the print server Continue with step 2 on that page If no your print server has a problem that re...

Страница 109: ...the button for more detailed information about the question At the bottom of this page are links to some additional topics related to troubleshooting the print server If you wish to change an answer you can click on this Reset button to return the page to its original state The Reset button stays inactive until you have clicked on at least one No or button Please answer the questions below in the ...

Страница 110: ...on page Related topics Interpreting the HP Jetdirect 200m or 250m configuration page Interpreting the lights on the HP Jetdirect 200m or 250m print server Resetting the HP Jetdirect 200m or 250m print server to factory defaults cold reset ...

Страница 111: ...ation page on your printer click on the Yes button below to continue with the troubleshooting procedure This takes you to information about interpreting the results contained on the configuration page If you are not able to print a Jetdirect configuration page on your printer or if you don t know how to print one click on the No button below to start evaluating the print server s ability to print ...

Страница 112: ...erver Test button A configuration page should print on the connected printer This page displays information about the print server hardware the firmware version the hardware MAC address the connected printer network connectivity network traffic and network protocols Did the configuration page print successfully ...

Страница 113: ...he 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 for information on interpreting the configuration page If no your print server has a problem that requires assistance from HP Jet...

Страница 114: ...can also be viewed over the network from a management utility such as HP Web Jetadmin or by accessing the embedded web server on the HP JetDirect print server For explanation of messages and status information click this link for the page on Interpreting the Configuration Page End of troubleshooting If you have not been able to correct your print server problem using this troubleshooting procedure...

Страница 115: ...slowly amber Fault occurred during self test or operation Follow troubleshooting procedure Blinking slowly green Print server receiving power but not ready self test may still be in process Or no network connection check the 10 and 100 Link lights Blinking quickly green Print server is processing the configuration page Flickering intermittently green Print server is on and ready flickering indicat...

Страница 116: ...Light Behavior Description Off No network connection On solid green Network connection is established at 10 Mb s or at 100Mb s ...

Страница 117: ...et them to factory defaults To reset the print server configuration to factory defaults follow these steps 1 Make sure that the printer s power is on 2 Unplug the print server from the printer 3 While holding down the Test button on the print server plug the print server back into the printer continue to hold down the Test button for about five seconds Any user configured settings will be erased ...

Страница 118: ...b site for the HP Jetdirect print servers and similar products Customer Support http www hp com support support_assistance Lists all of the support options offered by HP and contact information such as phone numbers and e mail addresses Call HP Click on a region below to find the telephone number for HP Jetdirect technical support South and East Asia North America and Latin America Europe Middle E...

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Страница 120: ...63 Em muitos países a HP oferece suporte gratuito por telefone durante o período de garantia Contudo alguns dos telefones a seguir podem cobrar a ligação Brasil Grande São Paulo 55 11 3747 7799 Demais localidades 0800 157751 Important Important Importante Importante P P P P o o o o r r r r t t t t u u u u g g g g u u u u ê ê ê ê s s s s E E E E s s s s p p p p a a a a ñ ñ ñ ñ o o o o l l l l E E E...

Страница 121: ... di garanzia Tuttavia il numero di telefono riportato qui di seguito potrebbe essere a pagamento 39 0 2 264 10350 7 09 579 73520 7 81 234 67997 Na mnogim lokacijama HP pruža besplatnu telefonsku podršku za vrijeme trajanja jamstva Ipak neki dolje prikazani telefonski brojevi ne moraju biti besplatni 36 1 382 1111 V ad míst poskytuje společnost HP v dob trvání záruky bezplatnou telefonickou podporu...

Страница 122: ... Brasil Grande São Paulo 55 11 3747 7799 Demais localidades 0800 157751 HP 0 7 095 797 3520 3 4 7 812 346 7997 V mnohých regiónoch poskytuje spoločnosA HP počas záruky bezplatnú telefonickú podporu Avšak niektoré telefónne čísla uvedené v zozname nižšie nemusia byA bezplatné 420 261 307 310 V mnogih državah ponuja HP tudi brezplačne telefonske številke za podporo v času trajajnja garancije Kljub t...

Страница 123: ...aller Rates may vary Contact your local telephone company for current rates For the most recent HP support telephone numbers worldwide see phone numbers or visit http www hp com support support_assistance for access to a list of regional telephone numbers In the USA the HP support telephone number for HP Jetdirect products is 208 323 2551 WWW HP support online Our support pages on the HP Web site ...

Страница 124: ...nd you ll also find helpful user forums a great source of ideas and suggestions for using your HP Jetdirect print server You can access the user forum directly from http www hp com go forums Getting Warranty Service Getting warranty service ...

Страница 125: ...ersions and HP Jetdirect firmware images are available from the following World Wide Web Access HP s Customer Care Online at http www hp com support net_printing America Online Receive drivers and upgrades by downloading them to your computer from the HP Forum HP Distribution Center Order drivers and upgrades for HP printers by calling the HP Distribution Center at 805 257 5565 USA only FTP Site D...

Страница 126: ... concentrator that supports link beat link test pulse signals Supported network operating systems protocols 200m Microsoft Windows 98 2000 NT 4 0 ME XP XP 64 bit TCP IP IPX SPX direct mode peer to peer only Apple Macintosh OS 8 6 and later EtherTalk 250m Microsoft Windows 98 ME TCP IP IPX SPX Microsoft Windows 2000 NT 4 0 XP XP 64 bit and later TCP IP IPX SPX DLC LLC Apple Macintosh OS 8 6 and lat...

Страница 127: ...ator version 4 75 or later Physical specifications Interfaces Port Specification Network See network specifications above Printer HP LIO requires printer with LIO port Physical dimensions Width 71 mm 2 8 in Length 84 mm 3 3 in Height 25 mm 1 0 in Weight Weight 68 g 2 4 oz Environmental specifications Operating temperature recommended 10 C to 55 C 50 F to 131 F Storage temperature recommended 40 C ...

Страница 128: ...iwan CNS 13438 Australia New Zealand AS NZS 3548 Russia GOST 29216 Korea Korean EMI Law No 1996 98 Class B For complete European standards compliance list see the Declaration of Conformity Safety statements Product complies with IEC 950 1991 A1 A2 A3 A4 EN60950 1992 A1 A2 A3 A4 A11 Regulatory statements USA FCC Class B Statement This equipment has been tested and found to comply with the limits fo...

Страница 129: ...ocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful in...

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Страница 131: ...ia This equipment complies with Australian EMC requirements Canada This equipment complies with Canadian EMC Class B requirements Japan VCCI Class B China Chinese Safety Statement See Chinese Safety Statement ...

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Страница 133: ...s programming instructions after the date of purchase for a period of NINETY 90 DAYS due to defects in material and workmanship when properly installed and used If HP receives notice of such defects during the NINETY 90 day period HP will replace software that does not execute its programming instructions due to such defects 3 HP does not warrant that the operation of HP products will be uninterru...

Страница 134: ...y injury or death to the extent that all such damages are determined by a court of competent jurisdiction to have been directly caused by a defective HP product 9 TO THE EXTENT ALLOWED BY LOCAL LAW THE REMEDIES IN THIS WARRANTY STATEMENT ARE YOUR SOLE AND EXCLUSIVE REMEDIES EXCEPT AS INDICATED ABOVE IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT SPECIAL INCIDENTAL CO...

Страница 135: ...representative will help you with troubleshooting and advise you on warranty service When calling please have the following information ready HP Jetdirect product you are calling about for example J6039B Model number of the product for example Jetdirect 200m Serial number of the product Complete description of the problem Proof of purchase of your product Your shipping address Service billing out ...

Страница 136: ...rt the CD into the CD drive of your Windows computer The CD s setup program should start automatically if it doesn t open the CD in the Windows Explorer and double click on SETUP EXE Several buttons will appear on the screen click on the Install button to start the installation Follow the instructions on the screens that appear until you have completed the installation The embedded web server Each...

Страница 137: ... reconnect by pointing your browser at the new IP address Some Useful Techniques Printing a configuration page To print a configuration page press the Test button on the print server This will print out the current value of the print server s configuration parameters on the attached printer The section on Interpreting the Configuration Page will help you understand the meaning of the items on the ...

Страница 138: ... s URL field Performing a cold reset resetting to factory defaults Once you configure the HP print server the configuration settings are retained in memory unless you manually reset them to factory defaults To reset the print server configuration to factory defaults follow these steps 1 Make sure that the printer s power is on 2 Unplug the print server from the printer 3 While holding down the Tes...

Страница 139: ...e TCP IP protocol is configured on both the print server and your computer On your computer If your computer can connect to the Internet you have TCP IP configured If not check with your network administrator for information on configuring TCP IP for your network On the print server Print a configuration page by pressing the Test button on the print server that is attached to your MFP or All in On...

Страница 140: ...page 3 Click on Scan If your MFP or All in One device is supported by Web Scan there will be a Scan menu item in the left hand column of the embedded web server home page Click on Scan to bring up the Web Scan page ...

Страница 141: ... you may preview an image by clicking the Preview button The preview will be displayed in a small window on the Web Scan page For a flatbed with a multi page document feeder ADF You cannot preview an image from the feeder Put the document on the glass flatbed instead Scan download the image ...

Страница 142: ...t on your computer you can e mail the file containing the image as an attachment 1 The network administrator must configure an outgoing e mail server for the print server that connects the scanner before any users can succeed at this procedure You ll find out if this was done as soon as you do step 5 below Click here for information on configuring the e mail server 2 Select the type of image you a...

Страница 143: ... They include Color Picture for low resolution color 150 DPI 24 bit color DPI dots per inch Color Drawing for high resolution color 300 DPI 24 bit color B W Picture for monochrome graphics 150 DPI gray scale Text 300 DPI black and white Document Size settings The following document sizes are available in inches The document size you select will contain only a portion of the entire scanned image if...

Страница 144: ...ge format Problem After I click the Scan button the scanner begins to scan but never completes I am using Internet Explorer Resolution This is a known issue with various versions of Microsoft Internet Explorer and Windows 95 98 and NT 4 0 A recommended work around is to download the latest version of Internet Explorer 5 0 or higher and the latest version of Adobe Acrobat Reader 4 0 or higher Unabl...

Страница 145: ...tton is missing Resolution Sheet feed MFPs and All in Ones do not support scan previews Flatbed scanners do not support scan previews when using a multi page document feeder ADF instead of the glass flatbed In these cases to preview the image before saving it use the Open it option or allow the plug in to open the scanned image Once the scanned image is displayed use the Save or Save As option in ...

Страница 146: ...pecify the e mail server to be used when any user scans to email through this networked scanner Click Apply Disabling Web Scan and its alternative You can disable and enable the availability of the web scanning facility in the embedded web server You can also disable and enable the alternative to this basic scanning functionality The alternative The print server may support depending on installati...

Страница 147: ...ient scanning software It is enabled by default Compatible Web Browsers The embedded web server is generally compatible with the following web browsers on a large variety of operating systems Microsoft Internet Explorer version 5 0 and later Netscape Navigator version 4 75 and later Make sure that your browser has Java enabled If you use HP Web JetAdmin a printer installation and management applic...

Страница 148: ...y be printed directly on the attached printer The format of the Jetdirect configuration page depends on the printer model the HP Jetdirect model and firmware version For HP Enhanced I O EIO printers with an HP Jetdirect EIO print server installed a Jetdirect configuration page will automatically print after a printer configuration page is printed For instructions see your printer manuals Status Fi...

Страница 149: ...ge ENWW Configuration Page Format A typical Jetdirect Configuration page is illustrated in Figure 9 1 The Configuration page information provided will vary depending on the print server Figure 9 1 Typical Jetdirect Configuration Page ...

Страница 150: ...des the current status of configuration and access security parameters See Table 9 4 Network Statistics HP Jetdirect wired print servers only Provides the current values for various network parameters monitored bytheHP Jetdirectprint server See Table 9 5 TCP IP Provides the current status and parameter values for the TCP IP network protocols See Table 9 6 For Error Messages see Table 9 12 IPX SPX ...

Страница 151: ... print server for example J4169A HARDWARE ADDRESS The12 digit hexadecimal networkhardware MAC address of the HP Jetdirect print server installed in the printer or device This address is assigned by the manufacturer FIRMWAREVERSION The firmware revision number of the HP Jetdirect print server currently installed in the printer The format is X NN NN where X is a letter that depends on the HP Jetdire...

Страница 152: ...on is enabled after a cold reset OFF you must manually configure the speed and mode using the EIO menu from the printer s control panel If Autonegotiation is off the settings must match those of the network for proper operation MANUFACTURING ID The manufacturing identification code for use by HP online support personnel DATE MANUFACTURED Identifies the date of manufacture of the HP Jetdirect print...

Страница 153: ...ode Current USB communication mode 1284 4 IEEE standard protocol a mode for printers and multi function All in One devices that allows multiple channels of simultaneous print scan and status communication MLC HP proprietary protocol for Multiple Logical Channels a mode for printers and multi function All in One devices that allows multiple channels of simultaneous print scan and status communicati...

Страница 154: ...displayed are listed below Infrastructure Mode The print server is scanning on all channels for a network Access Point with the specified SSID Ad Hoc Mode The print server is scanning on all channels for a network with the specified SSID or has created a workgroup to which no one has joined Error A wireless connection error has occurred that prevents association or authentication with an Access Po...

Страница 155: ... connection to all network nodes without routing through an Access Point Network Name SSID Identifies the name of the network Service Set Identifier to which the print server has connected Signal Strength 1 5 The strength of the radio signal received by the print server The following items may be displayed 1 2 3 4 5 Indicates the signal strength Level 1 Poor Levels 2 and 3 Marginal Level 4 Good Le...

Страница 156: ...cess to the network Authentication failures for the Jetdirect print server may arise if the installed key is faulty or the wrong key is active when multiple keys are configured and stored on the print server EAP Infrastructure mode only IEEE 802 1x Extensible Authentication Protocol EAP uses network authentication servers for client access HP Jetdirect EAP support includes LEAP PEAP EAP MD5 EAP TL...

Страница 157: ... An Administrator password has not been set Set An Administrator password has been set The password may be cleared from the print server through a cold reset Secure Web Specifies the use of encrypted communications between a browser and the HP Jetdirect embedded Web server Optional HTTPS HTTP Allows unencrypted communications using standard HTTP ports as well as encrypted communications using HTTP...

Страница 158: ...ith the minimum security of authentication enabled a but no privacy np 3 a p SNMP v 1 and v 2c are disabled SNMP v 3 is enabled with the minimum security of authentication a with privacy p enabled SNMP Set Cmty Name Specifies whether an SNMP set community name has been configured on the HP Jetdirect print server An SNMP set community name is a password for write access to SNMP control functions SN...

Страница 159: ...ceived with CRC errors Framing errors are frames received with alignment errors A large number of framing errors could indicate a cabling problem with your network TOTAL PACKETS TRANSMITTED Total number of frames packets transmitted without error UNSENDABLE PACKETS Total number of frames packets not successfully transmitted because of errors TRANSMIT COLLISIONS Number of frames not transmitted bec...

Страница 160: ...ror indicated in the Frame Status FS field BAD LENGTH RCVD The number of Token Ring frames received with frame length errors LOST FRAMES The number of Token Ring frames lost TOKEN ERRORS Total number of times a violation of the token passing protocol has been detected Table 9 5 Network Statistics 2 of 2 Message Description ...

Страница 161: ...r It may be truncated NOT SPECIFIED indicates that no host name was specified in a BOOTP response or TFTP configuration file NPIxxxxxx The default name is NPIxxxxxx where xxxxxx represents the last six digits of the LAN hardware MAC address IP ADDRESS The Internet Protocol IP address assigned to the HP Jetdirect print server This is a required entry for operation of the print server on a TCP IP ne...

Страница 162: ...d DEFAULT IP the default IP address was assigned This address may not be a valid address for your network NOT CONFIGURED The print server was not configured with IP parameters Verify that TCP IP is enabled or check for error status BOOTP SERVER or DHCP SERVER or RARP SERVER Displayed if BOOTP DHCP or RARP is used for TCP IP configuration It specifies the IP address of the system that responds to t...

Страница 163: ...not been configured on the print server SYSLOG SERVER The IP address of the syslog server configured on the print server NOT SPECIFIED indicates that a syslog server has not been configured IDLE TIMEOUT The timeout value expressed in seconds after which the print server closes an idle TCP print data connection Acceptable values are integers between 0 and 3600 A value of zero turns off the timeout ...

Страница 164: ...information see Table 9 12 PRIMARY FRAME TYPE Specifies the frame type selection on the Jetdirect print server AUTO SELECT The print server automatically senses and limits the frame type to the first one detected EN_8023 Limits the frame type to IPX over IEEE 802 3 frames All others will be counted and discarded EN_II Limits the frame type to IPX over Ethernet frames All others will be counted and...

Страница 165: ... column Frame Type identifies the frame type used with the associated network number EN_8023 EN_8022 EN_II EN_SNAP TR_8022 TR_SNAP Unless a specific frame type has been manually configured the print server automatically determines the protocol frame type by listening to the network data being transferred over the network DISABLED indicates that a specific frame type for that network has been manua...

Страница 166: ... file server The default name is NPIXXXXXX where XXXXXX is the last six digits of the LAN hardware MAC address Remote Printer Mode The name you gave the network printer when you configured the network printer The default name is NPIXXXXXX NETWARE MODE The mode used by the HP Jetdirect print server QUEUE SERVER indicates that the print server receives data directly from the queue REMOTE PRINTER wit...

Страница 167: ...UE POLL INTERVAL Job Poll Interval Specifies the time interval seconds that the HP Jetdirect print server waits to check for print jobs in a print queue The default is 2 seconds SAP INTERVAL Specifies the time interval seconds that the HP Jetdirect print server waits between Service Advertising Protocol SAP broadcasts on the network The default is 60 seconds SERVER x Identifies a NetWare file serv...

Страница 168: ...ror Code and Message is displayed if the print server is not ready For more information see Table 9 12 NAME The name of the printer on the AppleTalk network A number after the name indicates that there are multiple devices with this name and this is the Nth instance of the name ZONE The name of the AppleTalk network zone on which the printer is located TYPE The type of the printer being advertised...

Страница 169: ...iption STATUS Indicates the current DLC LLC protocol status READY Indicates the HP Jetdirect print server is awaiting data DISABLED Indicates that DLC LLC was manually disabled INITIALIZING Indicates that the print server is registering the node address or name An additional status message may also be displayed An Error Code and Message is displayed if the print server is not ready For more inform...

Страница 170: ...al on the ring Check the cable from the HP Jetdirect print server to the network and check the wiring concentrator A signal loss condition has been detected at the HP Jetdirect print server receiver input during the open process either when wrapped or inserted onto the ring Timeout TheHP Jetdirect print server fails to logically insert onto the ring before the insertion timer expires Each phase of...

Страница 171: ...on data frame request and has removed itself from the ring Auto Removal Error The HP Jetdirect print server detected an internal hardware error following the Token Ring beacon auto removal process and has removed itself from the ring Lobe Wire Fault The HP Jetdirect print server has detected an open or short circuit in the cable between the HP Jetdirect print server and the Token Ring wiring conce...

Страница 172: ...t occur 09 LAN ERROR BABBLE Check the network connections If the connections are intact run the power on self test turn the printer off then on again If the error persists replace the HP Jetdirect print server For replacement instructions see the hardware installation guide for your print server 0A LAN ERROR NO SQE Check the network connections If the connections are intact run the power on self t...

Страница 173: ... 11 LAN ERROR RETRY FAULTS There is a problem with your network cabling or external network configuration Verify operation of the hub or switch port 12 LAN ERROR NO LINKBEAT With a 10 100 Base TX port connected this message is displayed if Link Beat is not sensed Check the network cable and verify that the concentrator hub is providing Link Beat 13 NETWORK RECONFIG MUST REBOOT Reset or power cycle...

Страница 174: ... received a Remove Adapter data frame duringtheToken Ringinsertion process or has received a remove ring station data frame request and has removed itself from the ring 18 PASSWORD ERROR The HP Jetdirect print server detected that the password for the NetWare print server object is wrong Use a NetWare utility such as PCONSOLE to erase the password for the print server object When the HP Jetdirect ...

Страница 175: ...er was lost when the HP Jetdirect print server attempted to reserve the printer number This indicates a possible network problem or a problem with the print server Make sure all cables and routers are functioning correctly Try restarting the print server 1F ERR NEGOTIATING BUFFER SIZE A failure was detected when selecting the buffer size to be used when reading print data from the file server This...

Страница 176: ...em Use PCONSOLE to make sure that servers are allowed to attach to the queue to delete the print server object from the list of queue servers if you want the HP Jetdirect print server to service other queues or to delete the queue and create a new one the print server object must be added to the list of queue servers When the HP Jetdirect print server is configured for multiple file servers the er...

Страница 177: ...rint server object is defined in the directory at the correct context Clear the print server password using NWADMIN or similar NetWare tool 2C NDS AUTHENTICATION ERROR Unable to log onto the NetWare directory tree Make sure that the print server object is defined in the directory at the correct context 2D NDS ERR CHANGE PSSWRD FAILED Cannot modify the print server password to the value expected by...

Страница 178: ...cations problem exists 3B NDS CONNECTION STATE ERROR The HP Jetdirect print server cannot change the NDS connection state Check licenses on the spooling server 3C NDS ERR UNRESOLVED QUEUE The print queue object cannot be located in the specified NDS context 3D NDS ERR CANNOT READ Q HOST Cannot locate the fileserver on the network The server may not be running at this time or a communications probl...

Страница 179: ...rap PDU destination IP addresses specified for the HP Jetdirect print server through TFTP is an invalid IP address for specifying a single node Check your TFTP configuration file 48 CF ERR FILE INCOMPLETE The TFTP configuration file contained an incomplete last line that did not end in a newline character 49 CF ERR LINE TOO LONG A line being processed in the TFTP configuration file was longer than...

Страница 180: ...he HP Jetdirect print server is currently in the process of obtaining its basic IP configuration information through BOOTP RARP 55 BOOTP DHCP IN PROGRESS The HP Jetdirect print server is currently in the process of obtaining its basic IP configuration information through BOOTP DHCP and has not detected any errors 56 DHCP NAK The HP Jetdirect print server received a negative acknowledgement message...

Страница 181: ...he HP Jetdirect print server is trying to connect to the NetWare server s This is a normal message Wait until either the connection is established or another status message appears xx ERR TCP INFO TIMERS ADJUSTED The print server detected a DHCP lease error due to one of the following conditions Renew time is less than 30 seconds Rebind time is less than 52 seconds Rebind time is less than or equa...

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