Manuale d’uso / di manutenzione del prodotto 400N del fabbricante HP (Hewlett-Packard)
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HP JetDirect 400N Hardware Installation Guide For HP Printers with MIO Slots HP JetDirect Print Servers.
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Hardware Installation Guide HP JetDirect 400N Print Server.
2 © Copyright Hewlett-Packard Company, 2000. All Rights Reserved. Reproduction, adaptation or translation without prior written permission is prohibited, except as allowed under the copyright laws.
Quick Installation 3 HP JetDirect Print Servers HP J4100A for Fast Ethernet and IEEE 802.3u (10/ 100Base-TX, 10Base2) networks. An RJ-45 connector supports 10/100 Mbps network connections using unshielded twisted-pair cable. (For 100Base-TX networks, use Category 5 cable.
4 Quick Installation Quick Installation NOTE See chapter 2 for detailed information. 1. If you have a Token Ring card, Set the network Data-Rate switch to 16 Mbps (default) or 4 Mbps depending on your network. If you don't know the network data rate, ask your network administrator.
Quick Installation 5 4. Verify that the card was installed correctly. Print another test page (or configuration plot) and verify that the “ I/O CARD READY ” message appears. On the test page, the location of the “ I/O CARD READY ” message depends on your printer model.
6 Quick Installation.
7 Contents Contents Quick Installation 1 The HP JetDirect Print Server Card Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 The HP JetDirect Print Server Cards at a Glance . . . . . . . 1-2 Supported Networks .
8 4 Using the Control Panel To Configure HP JetDirect Cards in Large-Format Printers Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Supported Network Protocols . . . . . . . . . . . . . . . . . . . . . . .
The HP JetDirect Print Server Card 1-1 1 Introduction 1 The HP JetDirect Print Server Card Introduction The HP JetDirect print server is a card that is installed in the modular input/output (MIO) slot of a printer and allows the printer to be connected directly to a network instead of a single PC.
1-2 The HP JetDirect Print Server Card The HP JetDirect Print Server Cards at a Glance J4100A J4105A J4106A Network Types Network Connections Supported Ether net, IEEE 802.3 (10/100Base- TX, 10Base2) RJ-45 (unshielded twisted-pair cable), BNC (thin Ether net coaxial cable) Network Types Network Connections Supported To k e n R i n g , IEEE 802.
The HP JetDirect Print Server Card 1-3 1 Introduction Supported Networks Supported Network Protocols Supported Networks 1 Applicable Products IPX/SPX and compatible Nov ell NetW are Microsoft Windows .
1-4 The HP JetDirect Print Server Card What Y ou Need for Installation • The appropriate HP JetDirect print server, documentation, and software. • A static-safe environment for handling the card. A grounding wrist strap or similar device is recommended.
Installing the HP JetDirect Print Server Card 2-1 2 Installation 2 Installing the HP JetDirect Print Server Card T ask 1. If you have a T oken Ring card, set the Data-Rate switch (if necessary) Before installing a Token Ring card, you must set the data-rate switch to either 4 Mbit/second or 16 Mbit/second (factory default).
2-2 Installing the HP JetDirect Print Server Card T ask 2. Before installing the card, verify the printer works The following pages show instructions for printing a self-test page or configuration plot to verify the printer is operating correctly. Locate and follow the instructions for your specific printer.
Installing the HP JetDirect Print Server Card 2-3 2 Installation HP LaserJet 5Si, 5Si MX, 5Si NX, 5Si Mopier printers 1. Turn on the printer and wait until a ready message is displayed. 2. Press [Menus] repeatedly until TEST MENU appears. 3. Press [Items] until PCL CONFIGURATION PAGE appears.
2-4 Installing the HP JetDirect Print Server Card HP Color LaserJet and Color LaserJet 5, 5M printers 1. Turn on the printer and wait until a ready message is displayed. 2. Switch the printer offline by pressing [On Line] to turn off the On Line light.
Installing the HP JetDirect Print Server Card 2-5 2 Installation HP LaserJet 4, 4M, 4 Plus, and 4M Plus printers 1. Turn on the printer and wait until the Ready light is lit. 2. Switch the printer offline by pressing [On Line] to turn off the On Line light.
2-6 Installing the HP JetDirect Print Server Card HP LaserJet 4Si and 4Si MX printers 1. Turn on the printer and wait until the Ready light is lit. 2. Switch the printer offline by pressing [On Line] to turn off the On Line light. 3. Press [Menu] repeatedly until TEST MENU appears.
Installing the HP JetDirect Print Server Card 2-7 2 Installation HP LaserJet 4V and 4MV printers 1. Turn on the printer and wait until the Ready light is lit. 2. Switch the printer offline by pressing [On Line] to turn off the On Line light. 3. Press [Menu] repeatedly until TEST MENU appears.
2-8 Installing the HP JetDirect Print Server Card HP 2500C/CM Professional Series and HP DesignJet ColorPro GA Printers 1. Turn on the printer and wait for READY to appear in the display panel. 2. Press [Menu] until SELF TEST MENU appears. 3. Press [Item] to display PRINT DIAGNOSTIC PAGE .
Installing the HP JetDirect Print Server Card 2-9 2 Installation HP DeskJet 1600C, 1600CM, and 1600CN printers 1. Turn on the printer. 2. Press the blue button. A self-test page will print. HP DeskJet 1200C and 1200 C/PS printers 1. Turn on the printer and wait until the Ready light is lit.
2-10 Installing the HP JetDirect Print Server Card HP DesignJet 600 Series large-format printers 1. Turn on the printer and wait until the printer displays STATUS Ready to plot . 2. Press [Enter] . FULL MENUS Plot Mgmt → appears. 3. Press ↓ until FULL MENUS Utilities appears.
Installing the HP JetDirect Print Server Card 2-11 2 Installation HP DesignJet 700, 750C, 750C Plus, 755CM, 2000CP, 2500CP, 3000CP, 3500CP large-format printers To print a DesignJet configuration page: 1. Turn on the printer and wait until STATUS Ready appears.
2-12 Installing the HP JetDirect Print Server Card HP CopyJet and CopyJet M color printer-copiers 1. Turn on the printer. 2. Press the [Test Menu] button. The control panel display shows - = Test page + = PCL fonts 3. Press [-] to print the Test Page.
Installing the HP JetDirect Print Server Card 2-13 2 Installation T ask 3. Insert the HP JetDirect print server card into the printer Locate the instructions for installing the card into your specific printer.
2-14 Installing the HP JetDirect Print Server Card 3. If the slot has a cover plate, remove it. 4. Insert the card. Align the card with the guide rails in the printer. 5. Press the card into the slot until firmly seated and tighten each thumbscrew a little at a time, alternating between each side until both screws are secure.
Installing the HP JetDirect Print Server Card 2-15 2 Installation To install the card into the HP LaserJet 4V and 4MV printers 1. Turn off the printer and unplug the power cord. 2. Locate the HP modular I/O (MIO) slot at the back of the printer (see the figure below).
2-16 Installing the HP JetDirect Print Server Card To install the card into the HP LaserJet 5, 5M, or 5N printers 1. Turn off the printer and unplug the power cord. 2. Locate the HP Modular Input/Output (MIO) slot at the back of the printer (see the figure below).
Installing the HP JetDirect Print Server Card 2-17 2 Installation The HP LaserJet 4Si Series and 5Si Series Printers Have Two Card Slots The HP LaserJet 4Si, 4Si MX, 5Si, 5Si MX, 5Si NX, and 5Si Mopie.
2-18 Installing the HP JetDirect Print Server Card To install a card into the lower slot of the HP LaserJet 4Si Series, and either slot of the 5Si Series printers 1. Turn off the printer and unplug the power cord. 2. Locate the HP modular I/O (MIO) slots at the back of the printer.
Installing the HP JetDirect Print Server Card 2-19 2 Installation 3. Remove the cover plate. (Remember: use the lower slot for the 4Si or 4Si MX.) 4. Insert the card. Align the card with the guide rails in the printer. 5. Press the card into the slot until the card is firmly seated.
2-20 Installing the HP JetDirect Print Server Card To install a card into the upper MIO slot of the HP LaserJet 4Si and 4Si MX printers NOTE To use the upper slot of an HP LaserJet 4Si or 4Si MX printer, you must assemble two cards together and insert them both into the printer at the same time.
Installing the HP JetDirect Print Server Card 2-21 2 Installation 4. For the HP JetDirect card that will be installed into the upper slot, remove the front plate by removing the two side screws (A). • If your HP JetDirect card is a Token Ring card, also remove the mounting screws (B) from the front plate.
2-22 Installing the HP JetDirect Print Server Card 6. Compare the HP JetDirect card ’ s front plate with the custom cover plate. Peel off the appropriate part of the label on the customized cover pl.
Installing the HP JetDirect Print Server Card 2-23 2 Installation 8. With the components facing up, assemble the two cards together. The card that will be installed into the upper slot (with custom cover plate) will be to the right. Secure the cards by tightening the spring-loaded thumbscrews (C).
2-24 Installing the HP JetDirect Print Server Card 10. With the components facing the left edge of the printer, slide the card assembly into the printer. Align the top and bottom of the assembly with the top and bottom guide rails located inside the printer.
Installing the HP JetDirect Print Server Card 2-25 2 Installation NOTE For the HP J4100A JetDirect card (RJ-45 and BNC), you can connect to one of the Ethernet ports (only one Ethernet port is active at a time). For the HP J4105A JetDirect card (RJ-45 and DB9, you can connect to only one Token Ring port.
2-26 Installing the HP JetDirect Print Server Card NOTE For the HP J4100A JetDirect card (RJ-45 and BNC), you can connect to one of the Ethernet ports (only one Ethernet port is active at a time). For the HP J4105A JetDirect card (RJ-45 and DB9), you can connect to only one Token Ring port.
Installing the HP JetDirect Print Server Card 2-27 2 Installation 4. Insert the card. Align the card with the guide rails in the printer. 5. Press the card into the slot until firmly seated and tighten each thumbscrew a little at a time, alternating between each side until both screws are secure.
2-28 Installing the HP JetDirect Print Server Card To install the card into the HP DesignJet 600 Series, 700 Series, 2000/2500/3000/3500 Series large-format printers 1. Turn off the printer but leave the power cord plugged in . 2. Locate the HP modular I/O (MIO) slot located at the back of the printer (see the appropriate figure below).
Installing the HP JetDirect Print Server Card 2-29 2 Installation 3. If the slot has a cover plate, remove it. 4. Insert the card. Align the card with the guide rails in the printer.
2-30 Installing the HP JetDirect Print Server Card To install the card into the HP CopyJet and CopyJet M color printer-copiers 1. Turn off the printer and unplug the power cord. 2. Locate the HP modular I/O (MIO) slot at the back of the printer (see the figure below).
Installing the HP JetDirect Print Server Card 2-31 2 Installation T ask 4. V erify the card was installed correctly 1. Print a new self-test page or configuration page. 2. Using the diagram on the following page as a guide, locate the phrase “ I/O CARD READY ” on the self-test page.
2-32 Installing the HP JetDirect Print Server Card 3. For more information about this section of the self-test page, see your HP JetDirect Administrators Guide on the HP JetDirect CD-ROM. 4. If the I/O CARD READY message appears, the card has been installed successfully.
Installing the HP JetDirect Print Server Card 2-33 2 Installation NOTE For HP J4100A 10/100Base-TX cards, see appendix B in this manual for special troubleshooting information. If the message still does not appear, contact HP Customer Care (see the HP JetDirect 400N Quick Setup Guide for phone numbers or Web access).
2-34 Installing the HP JetDirect Print Server Card.
Using the Control Panel for Printers 3-1 3 Printer Control Panel 3 Using the Control Panel T o Configure HP JetDirect Cards in Printers Introduction If you have an HP DesignJet large-format printer (except DesignJet ColorPro GA), go to Chapter 4.
3-2 Using the Control Panel for Printers Enabling and Disabling Network Protocols When you first install the card from the factory, all supported network protocols are enabled (or turned on) when you turn the printer on. The card provides automatic network switching between network protocols for printers that do not support this function.
Using the Control Panel for Printers 3-3 3 Printer Control Panel To enable or disable network protocols NOTE For HP 2500C/CM Professional Series and DesignJet ColorPro GA printers, see the “ HP 2500C/CM Professional Series and DesignJet ColorPro GA Control Panel ” instructions at the end of this chapter.
3-4 Using the Control Panel for Printers 8. Press [Item] to continue to the next protocol. Example: To enable the DLC/LLC protocol, press [Item] until the control panel displays either DLC/LLC=ON* or DLC/LLC=OFF* . If DLC/LLC=ON* is displayed, press [Item] to retain that protocol and continue to the next protocol.
Using the Control Panel for Printers 3-5 3 Printer Control Panel Novell NetWare Frame Types on an HP JetDirect Token Ring Card To configure a NetWare frame type NOTE For HP 2500C/CM Professional Serie.
3-6 Using the Control Panel for Printers 3. Press [Item] until CFG NETWORK=NO* appears. 4. Change the message to CFG NETWORK=YES* using the following buttons: 5. Press [Item] until CFG IPX/SPX=NO* appears. 6. Change this to CFG IPX/SPX=YES* by pressing [+] , and then pressing [Select] or [Enter] depending on your printer model.
Using the Control Panel for Printers 3-7 3 Printer Control Panel Configuring Novell NetW are Source Routing (T oken Ring Cards Only) You can select the method for Novell NetWare Token Ring source routing from the control panel. The possible routing methods are: • AUTO (default): Source routing is enabled if necessary.
3-8 Using the Control Panel for Printers 3. Press [Item] until CFG NETWORK=NO* appears. 4. Change the message to CFG NETWORK=YES* using the following buttons: 5. Press [Item] until CFG IPX/SPX=NO* appears. 6. Change this to CFG IPX/SPX=YES* by pressing [+] , and then pressing [Select] or [Enter] depending on your printer model.
Using the Control Panel for Printers 3-9 3 Printer Control Panel Configuring TCP/IP Parameters Using the control panel of your printer, you can manually configure these TCP/IP parameters: • You can .
3-10 Using the Control Panel for Printers To configure TCP/IP parameters NOTE For HP 2500C/CM Professional Series and DesignJet ColorPro GA printers, see the “ HP 2500C/CM Professional Series and DesignJet ColorPro GA Control Panel ” instructions at the end of this chapter.
Using the Control Panel for Printers 3-11 3 Printer Control Panel 6. Change this to CFG TCP/IP=YES* by pressing [+] , and then pressing [Select] or [Enter] depending on your printer model. 7. Press [Item] until BOOTP=YES* or BOOTP=NO* appears. • The asterisk ( * ) indicates the active selection.
3-12 Using the Control Panel for Printers Configuring Apple EtherT alk Phase Parameters (Ethernet Cards Only) You can configure Apple EtherTalk parameters if the Apple EtherTalk protocol is enabled ( ETALK=ON* ), and the PostScript printer language is enabled.
Using the Control Panel for Printers 3-13 3 Printer Control Panel 4. Change the message to CFG NETWORK=YES* using the following buttons: 5. Press [Item] until CFG ETALK=NO* appears. 6. Change this to CFG ETALK=YES* by pressing [+] , and then pressing [Select] or [Enter] depending on your printer model.
3-14 Using the Control Panel for Printers Configuring the T imeout for End-of-Job Sensing When installed in an HP LaserJet 4 or 4M printer, the HP JetDirect card provides a Job Timeout parameter.
Using the Control Panel for Printers 3-15 3 Printer Control Panel HP 2500C/CM Professional Series and DesignJet ColorPro GA Control Panel To enable or disable network protocols 1. Take the printer offline by pressing the online/offline button . 2. Press [Menu] repeatedly until MIO MENU appears.
3-16 Using the Control Panel for Printers To configure a NetWare frame type If you have not already done so, enable the IPX/SPX protocol ( IPX/ SPX ON ) by following the instructions above. 1. Take the printer offline by press the online/offline button .
Using the Control Panel for Printers 3-17 3 Printer Control Panel 4. Press [Select] . CFG NETWORK NO appears. This message does not mean that you must reconfigure your protocol. It means only that you do not intend to access the network configuration menus.
3-18 Using the Control Panel for Printers 7. Change this to CFG TCP/IP YES by pressing [Value] . Then press [Select] . 8. Press [Item] until BOOTP YES or BOOTP NO appears.
Using the Control Panel for Printers 3-19 3 Printer Control Panel To configure EtherTalk parameters To ensure the PostScript printer language is enabled, check the CONFIGURATION MENU . PERSONALITY=PS or PERSONALITY=AUTO should be set. If you haven ’ t already done so, enable EtherTalk ( ETALK ON ) by following the instructions described above.
3-20 Using the Control Panel for Printers.
Control Panel for Large-Format Printers 4-1 4 HP DesignJet Control Panel 4 Using the Control Panel T o Configure HP JetDirect Cards in Large-Format Printers Introduction If you have an HP DesignJet pr.
4-2 Control Panel for Large-Format Printers Once you have configured these parameters using the control panel, you still need to install the appropriate print server software to complete the configuration process. Refer to your HP JetDirect software installation guide for instructions.
Control Panel for Large-Format Printers 4-3 4 HP DesignJet Control Panel To enable or disable network protocols on the DesignJet 600 Series printers 1. Turn on the printer. 2. Verify that the printer displays STATUS and Ready to plot . 3. Press [Enter] until MENUS ( FULL MENUS on the 650C printer) and Plot mgmt → appear.
4-4 Control Panel for Large-Format Printers NOTE You will see CFG NETWORK=NO whenever you enter the JetDirect configuration menu. The message only indicates that you do not intend to access the configuration menu. It does not mean that you must reconfigure your protocol.
Control Panel for Large-Format Printers 4-5 4 HP DesignJet Control Panel 6. Press ↓ to change NO* to YES , then press [Enter] to display CFG NETWORK=YES . 7. At the CFG NETWORK=YES message, press ↑ repeatedly to scroll through the configuration options.
4-6 Control Panel for Large-Format Printers Configuring Novell NetW are Frame T ypes You can set the NetWare frame types if the NetWare protocol is enabled ( NETWORK=NOVELL → or NETWORK=AUTO → was displayed on your control panel).
Control Panel for Large-Format Printers 4-7 4 HP DesignJet Control Panel To configure a NetWare frame type If you haven't already done so, enable Novell NetWare by following the instructions described in “ To enable or disable network protocols ” in this chapter.
4-8 Control Panel for Large-Format Printers Configuring Novell NetWare Source Routing (Token Ring Card Only) You can select the method for Novell NetWare source routing from the control panel. The possible routing methods are: • AUTO (default): Source routing will be enabled on a packet- by-packet basis.
Control Panel for Large-Format Printers 4-9 4 HP DesignJet Control Panel For the 700/2000/2500/3000/3500 Series Printers 1. Access the configuration menu (see “ To enable or disable network protocols ” in this chapter). 2. From the CFG IPX/SPX=NO → menu item, press [Enter] , ↓ , [Enter] to display CFG IPX/SPX=YES → .
4-10 Control Panel for Large-Format Printers NOTE For DHCP (Dynamic Host Configuration Protocol) operation, BOOTP must be enabled. If an IP address is configured through DHCP and is subsequently changed through the control panel, the DHCP assigned address is released.
Control Panel for Large-Format Printers 4-11 4 HP DesignJet Control Panel 5. Press ↑ to configure each TCP/IP parameter. For the first parameter, MIO SETUP and IP BYTE 1=<value> → appear. 6. To maintain the current value, press ↑ . 7. To change the value, proceed as follows: a.
4-12 Control Panel for Large-Format Printers • If you select BOOTP=NO →, the printer is configured to accept TCP/IP parameters from the control panel. Continue with step 4. 4. If you selected BOOTP=NO → , press ↑ to configure each TCP/IP parameter.
Control Panel for Large-Format Printers 4-13 4 HP DesignJet Control Panel Configuring Apple EtherT alk Phase Parameters (Ethernet Cards Only) NOTE EtherTalk is supported by HP DesignJet 650C, Series 700, and 2500CP series printers with PostScript modules installed.
4-14 Control Panel for Large-Format Printers For the 700/2000/2500/3000/3500 Series Printers 1. Access the configuration menu (see “ To enable or disable network protocols ” in this chapter). 2. From the CFG ETALK=NO → menu item, press [Enter] , ↓ , [Enter] to display CFG ETALK=YES → .
Control Panel for Large-Format Printers 4-15 4 HP DesignJet Control Panel 6. To access the network configuration menu, press [Enter] to display CFG NETWORK and NO * . 7. Press ↑ to display: CFG NETWORK and YES . 8. Press [Enter] . MIO SETUP and CFG NETWORK=YES → appear.
4-16 Control Panel for Large-Format Printers.
Specifications and Regulatory Statements A-1 A Specifications A Specifications and Regulatory Statements Specifications for HP J4100A, J4105A, and J4106A Print Server Cards Electrical Environmental Electromagnetic Emissions *For EU immunity compliance, see the Declaration of Conformity on page A-4.
A-2 Specifications and Regulatory Statements Regulatory Statements FCC Statements General Information This device complies with Part 15 of the FCC Rules.
Specifications and Regulatory Statements A-3 A Specifications • 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. European Community When used with Ethernet, IEEE 802.
A-4 Specifications and Regulatory Statements Declaration of Conformity The following Declaration of Conformity complies with ISO/IEC Guide 22 and EN45014. It identifies the product, the manufacturer ’ s name and address, and the applicable specifications that are recognized in the European community.
Specifications and Regulatory Statements A-5 A Specifications Australia This equipment complies with Australian EMC requirements. Canada This equipment complies with Canadian EMC Class-A requirements. Japan: VCCI Class A. RRL Statement (Korea). T aiwan Class A.
A-6 Specifications and Regulatory Statements Chinese Safety Statement.
HP J4100A 10/100Base-TX Print Server B-1 B J4100A 10/100Base-TX B HP J4100A 10/100Base-TX Print Server Supported Links HP J4100A JetDirect 10/100 Base-TX print servers support 10 or 100 Mbps operation in full- or half-duplex modes.
B-2 HP J4100A 10/100Base-TX Print Server Link Configuration Jumper Settings The HP J4100A JetDirect 10/100Base-TX card provides link configuration jumpers that may be manually set if autonegotiation is not able to connect the card to the network. You can set the link operation for 100 Mbps Full Duplex, 100 Mbps Half Duplex, or 10 Mbps Half Duplex.
HP J4100A 10/100Base-TX Print Server B-3 B J4100A 10/100Base-TX Link T roubleshooting If the HP J4100A JetDirect 10/100Base-TX print server does not successfully connect to the network, both LEDs will be off and a “ LOSS OF CARRIER ERROR ” will be indicated in the MIO section of the HP JetDirect self-test page.
B-4 HP J4100A 10/100Base-TX Print Server.
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©Copyright 2000 Hewlett-Packard Company 2/2000 Manual Part Number 5969-3587 *5969-3587*.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il HP (Hewlett-Packard) 400N è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del HP (Hewlett-Packard) 400N - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) 400N imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) 400N ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) 400N, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del HP (Hewlett-Packard) 400N.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP (Hewlett-Packard) 400N. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) 400N insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
