Instruction/ maintenance manual of the product t5520 HP (Hewlett-Packard)
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Admi nis tra t or ’s G u id e Mic r osoft Wind o ws CE Im ag e for HP Com p aq Th i n Cl ie nt s V er sio n: W indo w s CE 5 .0 Model: t5 5 20 Doc ument P ar t Number: 34 9 4 0 1 - 0 0 6 July 2006 This guide provides netw ork administrators with basic instructions for configuring CE-based thin clients.
© Copyright 2006 He wlett-Packard De velopment Compan y , L.P . The information contained herein is subject to change without notice. Microsoft, MS-DOS, W indo ws, and W indows NT are trademarks of Microsoft Corporation in the U.S. and other countries.
Admi ni strato r’s Guid e www .hp .com iii Cont ent s Cont ent s Introduction Image Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 –2 Setup Wizard . . . . . . . . . . . . .
Admi ni strato r’s Guid e www .hp .com iv Cont ent s Control Panel Accessibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2 Certificates. . . . . . . . . . . . . . . . . . .
Admi ni strato r’s Guid e www .hp .com v Cont ent s System Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–3 6 Direct from HP . . . . . . . . . . . . . . . . . . . . . . . . . .
vi www .hp .com Admi nis trato r’s G uid e Cont ent s.
Admi ni strato r’s Guid e www .hp .com 1-1 1 Introduc tion HP Compaq thin clients with Microsoft W indows CE are easy to deploy , manage, and secure, and include powerful features for mainstream business use.
1-2 www .hp .com Admi nis trato r’s G uid e Intr oducti on Image Updat e s HP provides periodic updates to the image for thin clients. Check the HP support site for important documentation that provides specif ic information for your image version. Y ou can find support documentation at: http://we lcome .
Admi ni strato r’s Guid e www .hp .com 1-3 Intr oduc tion Upd ates for imag e refre sh v ersion 5 .0 ■ ICA seamless windo ws. ■ RDP 5.5 Add-on. ■ VNC Server Add-on. ■ Auto DHCP Update Feature enabled by def ault. ■ TxtPad Add-on. ■ Support for the EHCI USB controller dri ver (i.
1-4 www .hp .com Admi nis trato r’s G uid e Intr oducti on.
Admi ni strato r’s Guid e www .hp .com 2-1 2 Th e D e s k t o p The t5000 series thin client with Microsoft W indows CE uses an explorer shell (desktop) that resembles the typical W indo ws desktop to make it look familiar and easy to use. The desktop includes a taskbar , Start menu, shortcut icons, and a background image.
2-2 www .hp .com Admi nis trato r’s G uid e The D es kt o p Disp lay T o change the display settings, ri ght-click on the desktop and select Properties .
Admi ni strato r’s Guid e www .hp .com 2-3 The D es k to p Start m enu T o open the Start menu, click the Start button on the taskbar . The Start menu provides access to softw are and settings, allo ws you to run commands, and allo ws you to shut do wn the system.
2-4 www .hp .com Admi nis trato r’s G uid e The D es kt o p.
Admi ni strato r’s Guid e www .hp .com 3-1 3 HP Conn ec tion Adminis trator The HP Connection Administrator allo ws you to: ■ Manage user accounts. ■ Add, edit, and delete connections. ❏ Citrix ICA connections ❏ Microsoft RDP connections ❏ T erminal emulation ❏ PC SAM ❏ Internet Explorer ■ Assign connections to users.
3-2 www .hp .com Admi nis trato r’s G uid e HP Connec tion A dministr ator Y ou can access HP Connection Administrator through the Start menu by clicking Start > Pr ograms > HP Connection Administrator .
Admi ni strato r’s Guid e www .hp .com 3-3 HP Connec tio n Administr ator ■ Edit: Click to edit the selected connection. For more information, see “Editing connections” on page 10. ■ Advanced: Click to access the Adv anced windo w , where you can configure and assign connections and conf igure the terminal user interface.
3-4 www .hp .com Admi nis trato r’s G uid e HP Connec tion A dministr ator Creating user accounts Y ou can set up terminal operator user accounts in the Security windo w , which you can access either from the Connection Administrator Adv anced windo w or from Control Panel.
Admi ni strato r’s Guid e www .hp .com 3-5 HP Connec tio n Administr ator 3. Select the Users tab, and then click Add to create a ne w user account..
3-6 www .hp .com Admi nis trato r’s G uid e HP Connec tion A dministr ator 4. On the General tab, type a name for the ne w user account in the Name f ield. V alid characters for the Name field include: A - Z, a - z, 0 - 9. (.)&^%$#!~‘’{}_-. Maximum length is 20 characters.
Admi ni strato r’s Guid e www .hp .com 3-7 HP Connec tio n Administr ator 8. T o assign the same permissions to the new account that are assigned to an existing account, click Set fr om T emplate . a. In the Based on box, select the account to use as a template.
3-8 www .hp .com Admi nis trato r’s G uid e HP Connec tion A dministr ator 9. T o select permissions for the new account, select the Permissions tab on the Add Ne w User windo w . a. Select the items in the permissi ons list that you want to allo w the user to access.
Admi ni strato r’s Guid e www .hp .com 3-9 HP Connec tio n Administr ator Conne ctio ns Y ou can add, edit, or delete connections in the HP Connection Administrator and in the Adv anced windo w . Add connections as follo ws: ■ Use the HP Connection Administrator to create and assign connections to the user currently logged on to the terminal.
3-1 0 www .hp .com Admin ist rator’s Gu ide HP Connec tion A dministr ator Editin g connec tions T o edit a connection in HP Connection Administrator: » Select the connection, and then click Edit . Make the appropriate changes in the W izard or setup dialog.
Admi ni strato r’s Guid e www .hp .com 3-1 1 HP Connec tio n Administr ator Assi gning connec tions to users Assign and configure connections for users in the Adv anced window of Connection Administrator . Assign C onnec tions tab The Assign Connections tab allo ws you to assign connections to users.
3-1 2 www .hp .com Admin ist rator’s Gu ide HP Connec tion A dministr ator ■ Delete: Select a connection in the A vailable connections list, and then click this button to delete the connection. Deleting a connection here also deletes th e connection from the list of connections assigned to all users.
Admi ni strato r’s Guid e www .hp .com 3-1 3 HP Connec tio n Administr ator Assi gning connec tions Once you hav e created a connection, you can assign it to users in the Adv anced windo w . 1. In the HP Connection Administrator , click Advanced . 2.
3-1 4 www .hp .co m Admi ni strato r’s G uid e HP Connec tion A dministr ator 2. On the Assign Connections tab, select the appropriate user from the User list. 3. Select the connection from the user’ s connection list that you want to make primary .
Admi ni strato r’s Guid e www .hp .com 3-1 5 HP Connec tio n Administr ator 3. Select the primary connection in the user’ s connection list that you want to automatically connect. 4. In the Au t o column, if the entry for the selected connection is No , click on No to change it to Ye s .
3-1 6 www .hp .com Admin ist rator’ s G uide HP Connec tion A dministr ator Confi guring t h e user inter face The Global UI tab on the Adv anced windo w allo ws you to conf igure the Connection Adminstrator to start automatically and allo ws you to set up Kiosk mode.
Admi ni strato r’s Guid e www .hp .com 3-1 7 HP Connec tio n Administr ator Set ting t he terminal to Kiosk m ode Kiosk mode limits the terminal’ s functionality by hiding the desktop icons and limiting the Start menu to Shut Do wn only . There are also Kiosk mode options for hiding the task bar and hiding HP Connection Administrator .
3-1 8 www .hp .com Admin ist rator’ s G uide HP Connec tion A dministr ator 6. T o further lock down the terminal in Kiosk mode b y hiding the task bar at the bottom of the desktop, select the Hide connection task bar check box. Y ou must select the automatic logon feature to gain access to this feature.
Admi ni strato r’s Guid e www .hp .com 3-1 9 HP Connec tio n Administr ator 2. Click Security . The System Statistics area displays information about system users and connections. 3. On the System tab, select A utomatic Log On so the user does not hav e to enter a password to log in to the local machine.
3-20 www .hp .com Admi nis trato r’s G uid e HP Connec tion A dministr ator 5. If you want to acti vate the single button connect feature, select Single Button Log On . This feature in vokes a dialog box that requires the terminal operator to press Enter or click the Logon button on the dialog box to log in.
Admi ni strato r’s Guid e www .hp .com 4-1 4 Cont r ol P anel This chapter provides an o vervie w of the programs in the Control Panel and pro vides step-by-step instructions to perform certain tasks. Y ou can use many of the programs for local administration, while you use others, such as DHCP Options and SNMP , for remote administration.
4-2 www .hp .com Admi nis trato r’s G uid e Cont rol Panel Accessibilit y The Accessibility dialog box allo ws you to conf igure the terminal with 508 Accessibility features. Accessibility options are av ailable for the ke yboard, sound, display , and mouse.
Admi ni strato r’s Guid e www .hp .com 4-3 Cont rol Panel Cert ific ate s The Certificates dialog box allo ws you to import, store, and view security certificates. Certif icates and certificate authorities ensure that an SSL connection is made to the intended secure server .
4-4 www .hp .com Admi nis trato r’s G uid e Cont rol Panel ❏ From a Smart Card allo ws you to import a certificate from a Smart Card. Make sure the Smart Card is inserted and select a Reader from the list. The radio b utton is acti ve only if a smart card is inserted.
Admi ni strato r’s Guid e www .hp .com 4-5 Cont rol Panel DHC P Opt i o ns The DHCP Options page allo ws you to configure the thin client with the port locations for v arious information that the client retrie ves from the FTP server .
4-6 www .hp .com Admi nis trato r’s G uid e Cont rol Panel Dialin g The Dialing Properties dialog box allo ws you to: ■ Add or select a dialing location ■ Configure dial-up settings for the selected location. Local settings include the area code, county/region code, and tone or pulse dialing.
Admi ni strato r’s Guid e www .hp .com 4-7 Cont rol Panel T o configure the system to use an area code for local calls: 1. Click Dialing Patter ns. 2. In the F or Local calls dial box, add an F before the G . F or example, F , G will dial the area code, then 7-digit phone number .
4-8 www .hp .com Admi nis trato r’s G uid e Cont rol Panel The Background tab allo ws you to set the background image that appears on your monitor . Y ou can use a background image that is any of th.
Admi ni strato r’s Guid e www .hp .com 4-9 Cont rol Panel ✎ If you set the display settings out of range, you must reset the terminal to factory defaults b y rebooting the terminal and holding do wn the F9 ke y until you see a windo w that says “Loading.
4-1 0 www .hp .com Admin ist rator’s Gu ide Cont rol Panel Glo ba l ICA Clie nt Se tti ngs The Global ICA Client Settings dialog box allo ws you to configure ICA default client settings.
Admi ni strato r’s Guid e www .hp .com 4-1 1 Cont rol Panel Pref erence s The Preferences tab allo ws you to set color preferences during an ICA session. The Preferences tab contains the follo wing: ■ Serial Number : T ype the serial number of the ICA Client software e xactly as it appears on the serial number card.
4-1 2 www .hp .com Admin ist rator’s Gu ide Cont rol Panel Ser v er Location The Server Location tab allo ws you to view/add Citrix servers on the network that ha v e ICA connections configured.
Admi ni strato r’s Guid e www .hp .com 4-1 3 Cont rol Panel Fir e wall Setting s The Fire wall Settings tab allo ws you to set up a fire wall by placing a proxy server between a serv er and a client. In the Proxy section, select a protocol from the list, and then type the proxy address and port.
4-1 4 www .hp .co m Admi ni strato r’s G uid e Cont rol Panel Internet Options The Internet Settings dialog box a llo ws you to configure Internet bro wser settings on the terminal.
Admi ni strato r’s Guid e www .hp .com 4-1 5 Cont rol Panel JET CET PRINT 4.0 The JETCET PRINT Professional dialog box allo ws you to set up the terminal for local printing from Txtpad and Internet Explorer . ✎ W indows CE is best suited for printing small documents.
4-1 6 www .hp .com Admin ist rator’ s G uide Cont rol Panel 6. If you want to conf igure Internet Printing (IPP) to allo w you to print to network printers: a. Click the Internet Printing tab . b . Click Add Port . c. T ype the IP address of the network printer to which you want to print.
Admi ni strato r’s Guid e www .hp .com 4-1 7 Cont rol Panel Key b o a r d The K eyboard Properties dialog box allo ws you to configure your ke yboard. Repeat delay determines ho w long you must hold do wn a ke y before its character starts repeating.
4-1 8 www .hp .com Admin ist rator’ s G uide Cont rol Panel LPD Control The LPD Control dialog box allo ws you to set the terminal up as a line printer (print server). ✎ HP Compaq t5300 thin client models do not hav e legacy ports. Therefore, the LPD Control program will not appear in the Control Panel for those systems.
Admi ni strato r’s Guid e www .hp .com 4-1 9 Cont rol Panel Modems The Modem Settings dialog box allo ws you to access and modify settings for external modems. Refer to the de vice instructions that shipped with the modem, or located on the manufacturer W eb site, for listings of modem “ A T” commands av ailable for the modem.
4-20 www .hp .com Admi nis trato r’s G uid e Cont rol Panel Mouse The Mouse Properties dialog box allo ws you to set the mouse double-click sensiti vity for speed and physical distance between clicks.
Admi ni strato r’s Guid e www .hp .com 4-2 1 Cont rol Panel T o make a ne w connection, double-click the Make New Connection icon, select the type of connection you want to make, and then configure the connection.
4-2 2 www .hp .com Admin ist rator’s Gu ide Cont rol Panel Virtual Priv ate Net wor k (PPTP) connection Point-to-Point T unneling Protocol (PPTP) is a network protocol that enables the secure transf.
Admi ni strato r’s Guid e www .hp .com 4-2 3 Cont rol Panel P or t Loc k The Port Lock dialog box allo ws you to enable or disable COM 1 ports, LPT ports, and USB mass storage de vices. T o enable a port, select the appropriate check box(es), and then click OK .
4-2 4 www .hp .c om Admin ist rator’ s G uide Cont rol Panel The RDP/ICA Printers dialog box contains an Add Printer icon and an icon for each configured printer . Y ou can use Internet Printing Protocol (IPP) to print to network printers. IPP defines a standard protocol for printing as well as managing print jobs.
Admi ni strato r’s Guid e www .hp .com 4-2 5 Cont rol Panel Ä CAUTION: It is c r itical that the model name ent er ed in step 3 mat ches EXA CTL Y with the model name o f the dr i ve r installed on the ter minal serve r . Other w ise , printing w ill fail.
4-2 6 www .hp .co m Admin ist rator’ s G uide Cont rol Panel Modifying an e xisting p rinter confi guration T o modify an existing printer conf iguration in the Printers dialog box: 1. Double-click the desired printer icon or select the icon and click Properties .
Admi ni strato r’s Guid e www .hp .com 4-2 7 Cont rol Panel ■ User Interface Language: Allo ws you to determine the language used for the menus, dial ogs and alerts. Only English is supported. ■ Input Language: Allo ws you to select the ke yboard language.
4-2 8 www .hp .com Admin ist rator’s Gu ide Cont rol Panel Enabl ing se cur ity System security is enabled by defa u lt, which forces users to log in if the automatic login feature is not enabled. ■ Select Lock screen when pr essing Ctrl+Alt+Delete to allow users to lock the terminal through the Ctr l + Alt + Delete keyboard command.
Admi ni strato r’s Guid e www .hp .com 4-2 9 Cont rol Panel SNMP agents run in network elements and respond to Network Management Station (NMS) queries (GETs). SNMP provides a means to query all terminals assigned to a specific community . Each community should hav e a unique name, and all members of a community hav e the same access pri vileges.
4-30 www .hp .co m Admi ni strato r’s G uid e Cont rol Panel T o add and assign rights to an accepted community: 1. Click the Security tab . 2. Click Add in the Accepted Community Names section. The Community Configuration dialog is displayed. 3. T ype the name of the community in the Community Name box.
Admi ni strato r’s Guid e www .hp .com 4-3 1 Cont rol Panel T o configure SNMP: 1. On the Agent tab, type the physical location of the terminal in the Location box. 2. T ype the name of the contact person responsible for the terminal in the Contact box.
4-3 2 www .hp .co m Admi nis trato r’s G uid e Cont rol Panel 5. If you want to add or change SNMP security settings, click the Security tab . 6. T o enable an authentication failure trap, select Enable A uthentication Failur e T rap . 7. Select the hosts from which SNMP packets may be accepted.
Admi ni strato r’s Guid e www .hp .com 4-3 3 Cont rol Panel SNTP Client The SNTP dialog box allo ws administrators to synchronize the clocks on all thin clients. Administrators can set thin clients to automatically synchronize with an Internet time server or with a boot serv er .
4-34 www .hp .co m Ad mi ni strato r’s Guid e Cont rol Panel Sys t e m The System Properties dialog box allo ws you to vie w manufacturer and product information, network settings, and cop yright information.
Admi ni strato r’s Guid e www .hp .com 4-3 5 Cont rol Panel ■ Network: Allo ws you to designate a device name and description that identifies the terminal across the netw ork. Y ou can type a name or accept the name provided b y the DHCP server . The default de vice name is “HP” follo w ed by the MA C address.
4-3 6 www .hp .com Admin ist rator’ s Gu ide Cont rol Panel T o transfer registry settings to one thin client: 1. Configure a thin client to your specif ications. 2. In Control P anel > System > General tab, in the T erminal Settings section, click Export .
Admi ni strato r’s Guid e www .hp .com 4-3 7 Cont rol Panel Y ou may want to update your image because of the follo wing: » Y ou recei ve a ne w client, perform updates to the client image, and decide you want to re vert to the “good, known” image.
4-3 8 www .hp .com Admi nis trator’ s G uid e Cont rol Panel Direct from HP Use this tab to update the terminal with the latest av ailable image directly from He wlett-Packard or restore the image currently installed on the terminal. T o update or restore the image, sel ect the appropriate button, and then click Continue .
Admi ni strato r’s Guid e www .hp .com 4-3 9 Cont rol Panel 3. In the Path and Filename box, type the P ath and File name of the image. 4. In the Server P ort box, type the FTP server port. 5. In the User ID and Password box es, type the user ID and password required b y the FTP file serv er .
4-40 www .hp .co m Admi ni strato r’s G uid e Cont rol Panel Vie w or Remo ve Pr ograms The V ie w or Remov e Programs dialog box allo ws you to vie w or remov e software programs currently installed on the terminal. T o remov e a program, select the program from the list and click Remove .
Admi ni strato r’s Guid e www .hp .com 4-4 1 Cont rol Panel Set ting s for VNC Ser v er Configure VNC Serv er on your thin client b y selecting the follo wing: ✎ W indows CE does not support Ja v a. Y ou can find additional information about VNC Serv e r features at: http://www .
4-4 2 www .hp .co m Admi nis trator’ s G uid e Cont rol Panel Vo l u m e s & S o u n d s The V olumes & Sounds Properties di alog box allows you to adjust the volume setting and enable sounds for v arious ev ents and conditions. Y ou can also create custom sound schemes for v arious eve n t s .
Admi ni strato r’s Guid e www .hp .com 5-1 5 Progr ams and Add-ons This chapter provides detailed information about programs and add-on programs for the CE 5.0 image. Y ou can do wnload add-ons from the HP Support W eb site. Add-ons are programs that you can a dd and remov e from a thin client.
5-2 www .hp .com Admi nis trato r’s G uid e Pr ogr ams and Add-ons Progr ams HP Connec tions for C itrix Soft war e The HP Connections for Citrix Software windo w provides a quick and easy means of creating ne w ICA connections. Y ou can also delete and edit connections, as well as create desktop shortcuts for connections.
Admi ni strato r’s Guid e www .hp .com 5-3 Pr ogra ms and Add-ons Y ou can access the HP Connections for Citrix Software windo w from: ■ Start > Programs > HP Connections f or Citrix Software . ■ The shortcut icon on the desktop. Creating a N e w ICA connec tion The upper section of the windo w contains the ICA connection.
5-4 www .hp .com Admi nis trato r’s G uid e Pr ogr ams and Add-ons Creating a d esktop shortc ut to a conn ec tion Y ou can create a shortcut to a co nnection on the desktop through HP Connections for Citrix Software. Y ou cannot create shortcuts through HP Connection Administrator .
Admi ni strato r’s Guid e www .hp .com 5-5 Pr ogra ms and Add-ons ■ Local-printer redirection so server applications can print locally to the client de vice. ■ Local audio playback so server applications can direct audio to the client de vice or play at the T erminal Server .
5-6 www .hp .com Admi nis trato r’s G uid e Pr ogr ams and Add-ons T o create a one-time connection: 1. Click Start > Programs > T erminal Emulation . 2. In the Ty p e box select the connection type. 3. Click Configur e to conf igure settings for the connection type you selected.
Admi ni strato r’s Guid e www .hp .com 5-7 Pr ogra ms and Add-ons 3. Select T erminal Emulation , and then click OK . I 4. Follo w the wizard to configure the connection. TxtP a d TxtPad is a simple te xt editor in the W indows CE the image. TxtP ad associates with the follo wing f ile extensions: .
5-8 www .hp .com Admi nis trato r’s G uid e Pr ogr ams and Add-ons Add -on s The follo wing section provides information about add-ons that can be added to your CE-based thin client image. EL O T ouch S c reen The ELO T ouch Screen applet allows you to enable or disable the touch screen.
Admi ni strato r’s Guid e www .hp .com 5-9 Pr ogra ms and Add-ons USB W ire less The wireless add-on allo ws you to set up wireless connections. T o set up a wireless connection: 1. Load the dri ver on the unit. 2. Plug in the dri ver . The following screen displays.
5-1 0 www .hp .com Admin ist rator’s Gu ide Pr ogr ams and Add-ons 3. Select your wireless de vice from the list. The de vice configuration screen displays. 4. Configure the wireless netw ork key and IEEE information, as required. 5. Click OK . The icon in the taskbar indicates an acti ve wireless connection.
Admi ni strato r’s Guid e www .hp .com 6-1 6 Registr y Im por t/Expor t This chapter explains ho w to import/export a thin client registry using Altiris Deployment Serv er . For more information about Altiris, see http://www .altiris .com/ . For information about installing an Altiris BootW orks partition, see http://h20000.
6-2 www .hp .com Admi nis trato r’s G uid e Reg i st r y I mp or t/ E x po r t C learin g t he destin a tion registr y Before importing a ne w registry to a thin client, you must clear the destination machine registry . T o clear the registry , drag and drop CE_RegReset from the Job window to the Destination Computer .
Admi ni strato r’s Guid e www .hp .com 6-3 Reg i st r y I mp or t/ E x po r t Exportin g registries from multipl e units While it is possible to export re gistries from multiple thin clients, it is important to ensure the registry f iles ha ve dif ferent names.
6-4 www .hp .com Admi nis trato r’s G uid e Reg i st r y I mp or t/ E x po r t.
Admi ni strato r’s Guid e www .hp .com Inde x-1 Inde x Inde x 508 Accessibility features 4–2 A Accessibility 4–2 accounts default 3–4 user 3–4 adding connections 3–2 , 3–9 permissions 3.
Admi ni strato r’s Guid e www .hp .com Inde x-2 Inde x primary or secondary 3–13 Control Panel 4–1 copying registry settings 4–35 country code 4–6 creating desktop shortcut 5–4 new ICA con.
Admi ni strato r’s Guid e www .hp .com Inde x-3 Inde x J Java 4–41 JETCET PRINT 4–15 K Keyboard 4–17 keyboard shortcuts, ICA 4–10 Kiosk mode 3–17 L L2TP 4–22 local printing 4–15 LPD Control 4–1 , 4–18 LPT1 & 2 4–15 M memory allocation 4–34 Messenger 5.
Index-4 www .hp .co m Ad mi ni strato r’s Guid e Index Set from Template button 3–7 setting Kiosk mode 3–17 permissions 3–8 settings 4–35 VNC server 4–41 Setup Wizard 1–2 shortcuts 2–3.
An important point after buying a device HP (Hewlett-Packard) t5520 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought HP (Hewlett-Packard) t5520 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data HP (Hewlett-Packard) t5520 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, HP (Hewlett-Packard) t5520 you will learn all the available features of the product, as well as information on its operation. The information that you get HP (Hewlett-Packard) t5520 will certainly help you make a decision on the purchase.
If you already are a holder of HP (Hewlett-Packard) t5520, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime HP (Hewlett-Packard) t5520.
However, one of the most important roles played by the user manual is to help in solving problems with HP (Hewlett-Packard) t5520. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device HP (Hewlett-Packard) t5520 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
