*You do not need to complete these steps if you do not use these features.
For information on solving problems or obtaining additional software, see the following pages: Troubleshooting checklist. 56 Communicating with an optional HP JetDirect Print Server. 58 Support information. 60

4 Installation checklist

Where to look for more information.
Several references are available for use with this printer. For additional copies of the guides below, contact HP Parts Direct Ordering at (800) 227-8164 (U.S.) or contact your HP-authorized dealer. WWW Additional information and select manuals are available at http://www.hp.com/support/lj4550.

Setting up the printer

Getting Started Guide Step-by-step instructions for installing and setting up the printer.

Using the printer

Online User Guide Detailed information on using and troubleshooting the printer. Available on the CD-ROM that came with the printer. If you would like a hard copy, print the user guide using your printer.
Where to look for more information. 5
Online Help Information on printer options that are available from within printer drivers. To view a Help file, access the online Help through the printer driver.
HP JetDirect Print Server Administrators Guide* Step-by-step instructions for configuring the HP JetDirect print server.
*Accompanies printers that include an HP JetDirect print server (network card).
You can now register yourself as an HP Color LaserJet printer user on the HP Web Registration site at: http://www.hp.com/go/ColorLaserPrinter_register.
6 Where to look for more information.

Wheres the user guide?

The user guide for this printer is supplied in online format for viewing on your computer screen using Adobe Acrobat Reader. The user guide and Adobe Acrobat Reader are available on the CD-ROM. Note Adobe Acrobat Reader is only available for English on the CD-ROM. Go to http://www.adobe.com for the latest versions and additional languages.

Screen view of the online user guide in Acrobat Reader For help on using the online user guide, click on a link in the bookmark column ( [1] ). Or see page 2 of the user guide for links to other information. WWW For more information on buying various types of media to use with this printer go to U.S. http://www.hp.com/go/ljsupplies or Worldwide http://www.hp.com/ghp/buyonline.html.

Wheres the user guide? 7

Task 1
Prepare a location for the printer
Printer location Top view of the printer Side view of the printer

8 Task 1

Location requirements
The printer requires the following type of location:
a sturdy, level surface (do not tilt the printer more than 2) that is large enough to accommodate all four corners of the printer space around the printer, as shown in the figure on page 8.
The printer shown in the figure has the optional 500-sheet paper feeder and the optional duplex printing accessory installed. Prepare your location for the HP Color LaserJet 4550 series printer according to the optional accessories you will be installing.

G G G G G

a well-ventilated room with no abrupt changes in temperature or humidity room temperature 15 to 28 C (59 to 83 F) relative humidity 10% to 70% no exposure to chemicals or direct sunlight line voltage and frequency not varying more than 10% from the value stated on the printer nameplate (located on the back of the printer)

CAUTION

The prepared location must be level (not more than a 2 angle), able to support up to 77 kg (169 lb), and must support all four corners of the printer, duplex printing accessory, or 500-sheet paper feeder.

Task 1 9

Task 2

Unpack the printer

Package contents The following items are included in the printer box: 1 Printer HP JetDirect print server (4550N, 4550DN, and 4550HDN only) Hard disk (4550HDN only) 6 Optional Duplex Printing Accessory (4550DN and 4550HDN only) Optional Tray 3 (500-sheet paper feeder for the 4550DN and 4550HDN only) Getting started guide Four toner cartridges: black (K), magenta (M), cyan (C), and yellow (Y) Software CD-ROM: includes printer drivers and software, the online user guide, and the HP JetDirect Print Server Administrators Guide

10 Task 2

Power cord Control panel overlay (for non-English language users) Imaging drum
10 Parallel cable (base model only)

Task 2 11

Assembling the printer hardware
The following pages provide detailed instructions for installing the printer and the optional accessories:
Installing the optional 500-sheet paper feeder on page 13 Installing the optional duplex printing accessory on page 14 Installing the printer on page 15

WARNING!

This printer weighs approximately 57 kg (125 lb). When Tray 3 and the duplex printing accessory are installed, the printer weighs 77 kg (169 lb). Take all necessary precautions to move it. Whenever possible, use professional handlers or material handlers to move the printer. The prepared location must be level (not more than a 2 angle), able to support up to 77 kg (169 lb), and must support all four corners of the printer, duplex printing accessory, or 500-sheet paper feeder. Save all of the packing materials in case you need to repack and transport the printer at a later date.

16 Task 2

Task 3

Install the power cord

3 Locate the power cord that shipped with the printer. Locate the standby button (power switch) on the front of the printer. The standby button has two positions: in (power on) and out (standby modethe fans remain on). Make sure that the standby button is out (standby mode). Insert the power cord into the power receptacle on the back side of the printer. OR If you are installing an optional duplex printing accessory, insert the power cord into the power receptacle on the back side of the optional duplex printing accessory.

Task 3 17

Insert the short optional duplex printing accessory power cord on the back of the optional duplex printing accessory into the power receptacle on the back side of the printer. Connect the power cord to a grounded power outlet.

18 Task 3

Task 4
Load media into the trays
Front view The printer has the following trays: 3 Tray 1 (multipurpose tray) with extending paper support Tray 2 (250-sheet tray) Optional Tray 3 (500-sheet tray)

Task 4 19

Using media types
The printer control panel can be configured so that the printer draws certain media types from specific trays. This enables you, in the printer driver, to select media by type rather than by tray (source). Selecting media by type helps prevent accidental printing on special or expensive media. For example, if a tray is configured for letterhead, and you specify in the driver to print on plain paper, the printer will not accidentally print on letterhead from the letterhead tray. For more information on using the printer control panel to set the size and type of media for the input trays, see the online user guide. CAUTION Hewlett-Packard recommends using HP Color LaserJet Transparencies (C2934A for letter-size and C2936A for A4-size) for optimum printing results. Do not use DeskJet (inkjet) or monochrome transparencies in your printer. The transparencies can become overheated and melt, causing serious damage to your printer. For more information on buying various types of media to use with this printer go to U.S. http://www.hp.com/go/ljsupplies or Worldwide http://www.hp.com/ghp/buyonline.html.

20 Task 4

Loading media

To load Tray 1

1 Pull up the tray extension and slide the media-width guides all the way open. Load media with the print side (side to be printed on) facing the printer. Load up to 150 sheets of 75 g/m2 (20 lb) stock. Slide the media in until it sits squarely in the bottom of the tray. Slide the media-width guides in until they hold the media firmly in place without bending it. To load letterhead into Tray 1, load the letterhead with the print side facing the printer and with the top of the letterhead sitting in the bottom of the tray. For duplex (two-sided) printing, load letterhead with the print side facing away from the printer (not shown). Note For information on loading envelopes, transparencies, or other media types, see the online user guide that comes with the printer.

Task 4 21

To load Tray 2
1 Remove Tray 2 from the printer and place it on a flat surface. Remove the packing tape from the tray. Slide out the orange packing spacers from both sides of Tray 2 ( [1] ). Then press the bottom plate and remove the middle packing spacer ( [2] ). Set the rear media-length guide by squeezing the guide adjustment latch and sliding the back of the tray to the length of the media you are loading. Slide the media-width guides all the way open. Load media into Tray 2 with the print side facing down. Load up to 250 sheets of 75 g/m2 (20-lb) stock. Media capacity may vary with other media types.
CAUTION Place the media under the fill tabs. Do not load paper above the fill tabs. (Fill tabs are displayed and circled in illustration 5.)

22 Task 4

Make sure that the media is flat in the tray at all four corners and that the media fits under the metal corner tabs in front. Be careful not to bend the corners of the media. Bent media will not feed reliably. Slide the media-width guides in until they hold the media firmly in place without bending it. Insert Tray 2 into the printer.

Task 4 23

To load optional Tray 3
1 Remove the tray (Tray 3) from the 500-sheet paper feeder and remove the packing tape.
CAUTION Remove the two cardboard packing spacers from the back of Tray 3. If the packing spacers are not removed, paper jams will occur. (See pictures 1 and 2.) 2 Slide out the rear packing spacers from both sides of Tray 3 ( [1] ). Next slide out the front packing spacers ( [2] ). Then press the bottom plate and remove the middle packing spacer ( [3] ). Squeeze the guide release latch on the rear media-length guide and slide the guide to fit the media size you are loading. Slide the media-width guides all the way open by squeezing the release latch.

24 Task 4

Load media into Tray 3. Load up to 500 sheets of 75 g/m2 (20-lb) stock. Capacity may vary with other media types.
CAUTION Place the media under the fill tabs. Do not load paper above the fill tabs. (Fill tabs are displayed and circled in illustration 5.) 6 Slide the media-width guides in until they hold the media firmly in place without bending the media. Make sure that the media is flat in the tray at all four corners and that the media fits under the metal corner tabs in front. Be careful not to bend the corners of the media. Bent media will not feed reliably. Turn the media-size knob on the side of Tray 3 to the size of the media in the tray. Insert Tray 3 into the printer.

Task 4 25

Task 5
Set up the printer control panel (optional)

You might need to install the control panel overlay or replace the English overlay with one that displays your language. You also might need to configure the control panel to display messages in your language.
Installing or changing the control panel overlay
1 Locate the control panel overlay that came in the printer box and remove it from the bag. If you are installing an overlay, rather than replacing one, skip to step 4. Otherwise continue to step 2.
Gently lift out on both sides of the overlay that is currently installed on the printer. Grasp the bottom of the overlay, pull it down, and then lift it out.
Note When removing the control panel overlay, you may want to use a small flat-blade screw driver to gently pry off the control panel overlay.

26 Task 5

To install the new overlay, position it over the control panel and install the top side first. Insert the top tabs on the overlay into the slots on the printer face. Then push the overlay up and push in the bottom. Snap the overlay firmly onto the control panel.

Task 5 27

Changing the display language
1 Press and hold the SELECT key on the printer control panel while you turn the printer on by pressing the standby button (power switch). Continue holding SELECT until the control panel displays SELECT LANGUAGE (in English), and then release SELECT.
LANGUAGE=ENGLISH *. Then press
the VALUE key repeatedly until your language choice appears.
Wait until the control panel displays
Press SELECT to save your language choice. An asterisk ( * ) appears next to the language when you select it.

28 Task 5

Press GO. After the printer warms up, the control panel displays:
TONER POSITION BLACK = MISSING
Note If the control panel does not display the message above in the language you selected, press the printer standby button (power switch) to turn the printer off and then repeat the instructions for changing the display language. Leave the printer turned on and continue to the next task.

Task 5 29

Task 6
Install the toner cartridges
To see a virtual demonstration for installing the toner cartridges go to http://www.hp.com/support/lj4550_solve_a_problem and select replacing consumables. 1 Locate the toner cartridges packaged in the printer box. The printer uses four different toner colors and has a different toner cartridge for each color: black (K), magenta (M), cyan (C), and yellow (Y). If the printer is not already turned on, turn it on. After the printer warms up, the control panel displays:

Note If the INSTALL DRUM message appears, wait for the INSTALL TONER CARTRIDGE message, then proceed with the following instructions. 3 Push the dark gray release button on the side of the printer ( [1] ) and open the printers top cover ( [2] ). The cartridge slot for the black toner cartridge is visible. Lift up the flap that partially covers the cartridge slot. The correct toner color is shown on top of the flap.

30 Task 6

Remove the black toner cartridge from the bag and locate the orange tab on the end of the cartridge. Pull the tab firmly to remove the inside sealing tape. (If the tab breaks off, pull on the tape.) Discard the tape.
CAUTION Do not shake the toner cartridge after you have removed the inside tape. Doing so could cause toner to spill. 6 Position the toner cartridge over the cartridge slot so that the blue arrow on the toner cartridge points to the blue arrow on the printer. The arrow on the right end of the cartridge should point straight down. Slide the toner cartridge down into the slot until the cartridge stops.
Note If the cartridge does not slide easily into the slot, ensure you have the right color cartridge for that slot. Rotate the toner cartridge toward the back of the printer (within the cartridge slot) until the cartridge clicks into place. Lower the flap to partially cover the toner cartridge ( [1] ). If the cartridge was rotated correctly, the flap covers the cartridge label. Close the top cover ( [2] ) before installing the next toner cartridge.

Task 6 31

10 When the top cover is shut, the carousel advances to the next toner cartridge slot. When the printer is ready, the control panel displays:
TONER POSITION (COLOR) = MISSING
11 Install the other three toner cartridges by repeating steps 3 through 10. Install them in the following order: 1. magenta 2. cyan 3. yellow Note You must close the top cover before installing the next toner cartridge.
12 After installing the fourth toner cartridge, close the top cover. CAUTION If you need to ship the printer in the future, remove the toner cartridges and imaging drum before shipping. Leave the printer turned on and continue to the next task.

32 Task 6

Task 7

Install the imaging drum

1 Locate the imaging drum package that came with the printer. Remove the imaging drum from the bag.
CAUTION Avoid exposing the imaging drum to direct light. Exposure to light for more than 15 seconds can seriously damage the imaging drum. 3 On the printer, pull open the front upper drawer until it stops. Align the imaging drum over the open drawer so that the arrow on top points to the rear of the printer, and the blue end cap on the side slides into the slot identified with the blue arrow. Slide the imaging drum down into place. Push the front upper drawer shut. Wait while the printer runs an internal color calibration. The calibration takes a few minutes. When the printer is ready, the control panel displays READY.

ACCESS DENIED MENUS LOCKED

Levels of security

Lock Setting
0 = None 1 = Minimum 2 = Moderate
Control panel items locked
No items are locked Configuration Menu I/O Menu Configuration Menu I/O Menu Calibration Menu Configuration Menu I/O Menu Calibration Menu Resets Menu Calibration Menu Resets Menu Resets Menu Paper Handling Menu Paper Handling Menu Information Menu Printing Menu CANCEL JOB key

3 = Maximum

Use HP Web JetAdmin software, HP LaserJet Utility for Macintosh, or an ASCII escape sequence to perform this procedure. HP software is easier to use than an ASCII escape sequence. For instructions on locking the control panel by using either HP Web JetAdmin software or the HP LaserJet Utility for Macintosh, access the online Help for that software. WWW HP recommends that network administrators use HP Web JetAdmin to manage HP printers on a network. HP Web JetAdmin is available from the web at http://www.hp.com/support/net_printing.

Task 10 37

Using an ASCII PJL escape sequence
If you decide to use the ASCII escape sequence, you must use an MS-DOS or Windows ASCII editor to create the commands. The commands must also be sent to the printer by using a DOS COPY command or an ASCII file downloader utility. Note In the following examples, EC represents the escape character. For more information on using escape characters, see the PJL Technical Reference Manual. For a copy of this manual, contact your HP-authorized dealer.
To lock or unlock the printer control panel if a password has not been set, send the following ASCII sequence to the printer: EC%-12345X@PJL JOB @PJL DEFAULT CPLOCK=NONE (or MINIMUM, MODERATE, or MAXIMUM) @PJL EOJ EC%-12345X
To set the password, send the following ASCII sequence to the printer: EC%-12345X@PJL JOB @PJL DEFAULT PASSWORD=[numeric password (0 to 65535)] @PJL EOJ EC%-12345X
To lock or unlock the control panel if the password has been set, send the following ASCII sequence to the printer: EC%-12345X@PJL JOB PASSWORD=(numeric password) @PJL DEFAULT CPLOCK=NONE (or MINIMUM, MODERATE, or MAXIMUM) @PJL EOJ EC%-12345X

38 Task 10

Task 11 Connect a parallel cable (optional)
You can connect the printer to the computer using a bidirectional parallel cable (IEEE-1284 compliant) with a C-size connector to the printer and a B-size connector to the computer. HP recommends that the parallel cable length is no longer than 10 meters (30 ft) in length. The cable (HP part number C2946A) is included with the HP Color LaserJet 4550 printer. It must be purchased separately for the HP Color LaserJet 4550N, 4550DN, and 4550HDN printer. To order the parallel cable directly from HP in the U.S., call (800) 227-8164. See the online user guide for other in-country/region HP direct ordering phone numbers. WWW To order online, go to http://www.hp.com/ghp/buyonline.html.

Task 11 39

Connecting a parallel cable
1 Press the printer standby button (power switch) to turn the printer to standby mode, and turn off the computer to which you are connecting the parallel cable. Plug the parallel cable into the printers parallel port until it snaps into place. Plug the other end of the parallel cable into the computer. Tighten down the screws on the parallel cable to secure the cable to the computer. Turn the computer on and then turn the printer on.
Note Your computer will sense the printer if your computer is Plug and Play compatible. Follow the directions on your screen. To install the complete software package, cancel Plug and Play and continue to the next task. 4 Continue to the next page for instructions on verifying communication between the computer and the printer.

40 Task 11

To verify communication when using a parallel cable
1 At the computer, go to a DOS prompt (root directory) and type DIR>LPT1 and press ENTER.
If you are using a UNIX operating system, use the equivalent commands. At the printer, if the data light on the control panel stays on for more than a minute, press GO. Otherwise, continue to step 3. If a directory list prints, printer setup is complete. Now you can install the software to work with the new HP Color LaserJet 4550 printer. OR If an error message appears in the printer control panel display, see the Troubleshooting checklist on page 56 for more information. OR If the printer neither prints the directory list nor displays an error message on the control panel, check to see that all the power cables are plugged in and that all the cables connecting the printer to the computer are securely fastened. Remove any print sharing device or port security device which may be connected between the computer and printer.

Task 11 41

Task 12 Printing with the HP Fast InfraRed Receiver (optional)
The HP Fast InfraRed Receiver enables cableless printing from any IrDA-compliant portable device (such as a laptop computer) to the HP Color LaserJet 4550 printer (when the optional Fast InfraRed Receiver (FIR) accessory is installed). The printing connection is maintained by positioning the sending infrared (FIR) port within operating range. Note that the connection can be blocked by objects such as a hand, paper, direct sunlight, or any bright light shining into either the sending or receiving FIR port.

System requirements

In order to print with the HP Fast InfraRed Receiver, you will need:
The receiver connected to this printer IrDA-compliant portable or other IR-capable host supporting IRLPT or JetSend Communications Technology over IR Microsoft Windows 9x, Windows NT 4.0, Windows 2000 or Mac 8.5 with a LaserWriter 8.6 or higher driver.
Older non-IrDA-compliant portable computers may not be compatible with the HP Fast InfraRed Receiver. If you experience problems when attempting to print with the HP Fast InfraRed Receiver, contact the manufacturer or dealer of your portable computer to verify compatibility with the IrDA standard. For more information, see the user guide that came with the HP Fast InfraRed Receiver.

If AutoPlay does not automatically begin the installer program, click Start and then click Run. Type D:\SETUP.EXE at the prompt. (This assumes that your CD-ROM drive is the D:\ drive.) 4 A screen appears that allows you to browse the contents of the CD-ROM or begin installing the printer software. Click Install Printer and follow the instructions on your screen. There are two installation options for the printing system software. The Typical installation option will install the following: PCL 6 printer driver and online Help PCL 5c printer driver and online Help PS printer driver and online Help The Custom installation option allows you to cancel any of the printing system software options.
To download the latest version of HP Web JetAdmin, visit HP Customer Care online at http://www.hp.com/support/net_printing.

Task 14 45

Task 15 Software installation for network administrators
Use this procedure if you are a network administrator who is installing the printer on a network for network clients. WWW HP recommends that network administrators use HP Web JetAdmin to manage HP printers on a network. HP Web JetAdmin is available from the web at http://www.hp.com/support/net_printing.

46 Task 15

This procedure consists of the following general steps (detailed instructions follow):
Depending on the network environment, install the software on either the network administrator workstation or on the network server. From a Windows 9x, Windows NT 4.0, or Windows 2000 system, run the printer installation software to set up your printer on a Microsoft or Novell Netware network. For other networks, refer to the HP JetDirect Print Server Administrators Guide. Distribute the printer driver to each network client. You can pass around the CD-ROM, or you can place disk images of the driver onto a network directory or onto diskettes. Install the software onto client workstations. Users may connect their workstations to the printer by using the Add Printer Wizard (Windows). For specific instructions, see Task 20, Connect to the printer.
If the printer has the optional 500-sheet paper feeder or optional duplex printing accessory, configure the printer driver on each computer to show that these options are installed (see the printer driver online Help for instructions).
These instructions are for network administrators. Procedures for installing the software vary according to your operating system and network environment. Use the instructions below that best match your operating system and network environment.

Windows 9x, Windows NT 4.0, and Windows 2000
The setup software detects both the version of Windows that you are running and the language that is selected in your operating system. The setup software then installs printer drivers and software that are appropriate for your system. Note For Novell NetWare or Microsoft networks, run the printer installation software. On NetWare networks, you will be able to set up the appropriate queues on the NetWare server and HP JetDirect print server. On Microsoft networks, you can set up IP configuration parameters and share the printer. For Windows NT 4.0, and Windows 2000 server networks, install the software on the server.

Task 15 47

Depending on your environment, log onto the network administrator workstation or onto the server with Supervisor or Administrator privileges. Close all applications. Turn off virus checkers and terminate-andstay-resident (TSR) programs. After installation, these programs can be turned back on. Insert the HP Color LaserJet 4550 Printing System and Documentation CD-ROM into the CD-ROM drive. The CD-ROM should run automatically.
If AutoPlay does not automatically begin the installer program, click Start and then click Run. Type D:\SETUP.EXE at the prompt. (This assumes that your CD-ROM drive is the D:\ drive.) 4 A screen will appear that will allow you to browse the contents of the CD-ROM, or begin installing the printer software. Click Install Printer, and follow the instructions on your screen. There are two installation options for the printing system software. The Typical installation option will install the following: PCL 6 printer driver and online Help PCL 5e printer driver and online Help PS printer driver and online Help The Custom installation option allows you to cancel any of the printing system software options.
You can quickly create a port for the printer as part of the installation process using the HP Network Printer Wizard.

48 Task 15

Task 16 Software installation for Macintosh users
On a Macintosh-compatible computer, the installation procedures are the same for a network administrator, a network client, and a single user. Install the software on any computer that will be printing to the printer. (Individual user connection illustrated below.) In an AppleTalk environment, you have the option of assigning a name and a network zone to the printer. Users may connect their workstations to the printer by configuring a LaserWriter 8 driver with the new PPD in the Chooser (Macintosh). For specific instructions, see Task 20, Connect to the printer.

Task 16 49

The Macintosh partition on the CD-ROM contains an installer program for each available language. Find the language that is appropriate for your operating system, and then use the installer program for that language. Note If the computer is connected to the printer by a LocalTalk (Printer Port) or EtherNet connection, the AppleTalk (or Network) control panel must be configured for the correct connection to communicate with the printer. Quit all open applications. Insert the compact disc into the CD-ROM drive. Double-click the Installer icon and follow the instructions on the screen. Open the Chooser from the Apple menu. Click the Apple LaserWriter 8 icon. If the icon is not there, contact your Macintosh dealer. If you are on a network with multiple zones, select the zone in the AppleTalk Zones box where the printer is located. If you do not know the zone where the printer is located, ask your network administrator. Double-click the desired printer. A Desktop Printer icon should appear. Close the Chooser.

50 Task 16

Task 17 Configure the printer on the network
You can use the printer installation software on the CD-ROM to install and configure the printer on the network. For other options, refer to the HP JetDirect Print Server Administrators Guide.

Task 17 51

Task 18 Distribute the software to network clients (optional)
Before a network client can print to the printer, the printing system software must be installed on the clients workstation. Rather than distributing the CD-ROM to each client, you can place disk images of the installation software onto a public directory. The softwares Disk Copy option lets you copy disk images only for Windows operating systems to a designated directory.
Creating disk images with Installer Customization Utility
1 Insert the HP Color LaserJet 4550 Printing System and Documentation CD-ROM into the CD-ROM drive. The CD-ROM will automatically begin.
If AutoPlay does not automatically begin the installer program, Click Start and then click Run. Type D:\SETUP.EXE at the prompt. (This assumes that your CD-ROM drive is the D:\ drive.) When you are prompted to choose the method of installation, click Installer Customization Utility. Select the language and operating system versions for which you want to create disk images, and then choose the drivers package you want included in the disk images. Click Browse to assign a path to the drive and directory where you want to copy the disk images. Click Next and then follow the instructions on the screen.

52 Task 18

Task 19 Install the software for network clients (optional)
Before a client can print to the printer, the printing system software must be installed on the clients workstation. Procedures for installing the software vary, depending on the operating system you are using. Use the instructions below that apply to your operating system.

Windows

The procedures for installing end-user software on client workstations are similar to the installation procedures for network administrators. Note Install the end-user software on client workstations by running SETUP.EXE. Follow the instructions on the screen.
To install the end-user software onto a Windows NT 4.0 or Windows 2000 workstation, you must have administrator privileges on that workstation.
Do not install the PCL driver or PostScript 3 emulation driver(s) onto Windows NT workstations when you install other end-user software. Clear the PCL and PostScript Driver check boxes in the Components list during the Custom Install. The driver(s) will be installed from the server when you connect to the network printer in Task 20, Connect to the printer. Users of a shared network version of Windows can install only those software components that the network administrator installed during the network administrator installation. For a minimal install (driver only) in Windows 3.1x, install using the operating system. For a minimal install in Windows 9x, Windows NT 4.0, or Windows 2000, use the Add Printer Wizard.

Task 19 53

Macintosh
The Macintosh partition contains an installer program for each language. Find the language that is appropriate for your operating system and then use the installer program for that language.

54 Task 19

Task 20 Connect to the printer
These installation instructions are for single users and network administrators using a Macintosh-compatible computer. After installing the end-user software on a client workstation, connect the printer drivers to the proper printer port. This enables the client to print to the printer.
Quit all open applications. Insert the compact disc into the CD-ROM drive. Double-click the Installer icon and follow the instructions on the screen. Open the Chooser from the Apple menu. Click the Apple LaserWriter 8 icon. If the icon is not there, contact your Macintosh dealer. If you are on a network with multiple zones, select the zone in the AppleTalk Zones box where the printer is located. If you do not know the zone where the printer is located, ask your network administrator. Double-click the desired printer. A Desktop Printer icon should appear. Close the Chooser.

Task 20 55

Troubleshooting checklist

Problem or error message

The control panel display is blank.

Solution

Make sure the printers power switch is on. The printer may be in PowerSave mode. Press GO to check. Make sure all power cables are securely attached and plugged into a grounded power outlet. Verify that the short cable on the back of the duplex printing accessory is connected to the printer and that the power cord is connected correctly between the optional duplex printing accessory and the outlet.
The control panel displays OFFLINE. Cannot print from the computer using a parallel cable.
Press GO. The cable might be bad or installed incorrectly, or might be too long. Remove the cable and reconnect it, making sure it is securely connected. Try another bidirectional parallel cable (IEEE-1284 compliant) with a C-size connector under 10 m (32 ft) in length. Replace the cable with an HP C2946A cable or equivalent. There may be a bad port on the computer or printer. Try using a different port, or, if possible, a different computer or printer to help isolate the problem.

58 Communicating with an optional HP JetDirect Print Server

Regulatory statements

FCC regulations
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy. If it is not installed and used in accordance with the instructions, it may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

G G G G

Reorient or relocate the receiving antenna. Increase separation between equipment and receiver. Connect equipment to an outlet on a circuit different from that to which the receiver is located. Consult your dealer or an experienced radio/TV technician.
Any changes or modifications to the printer that are not expressly approved by HP could void the users authority to operate this equipment. Use of a shielded interface cable is required to comply with the Class A limits of Part 15 of FCC rules.

Canadian DOC regulations

Complies with Canadian EMC Class A requirements. Conforme la classe A des normes canadiennes de compatibilit lectromagntiques (CEM).

Regulatory statements 59

Support information
HP Customer Care Online services: for 24-hour access to information over your modem, we suggest these services: World Wide Web URLPrinter drivers, updated HP software, plus product and support information may be obtained from the following URLs: in the U.S. http://www.hp.com/support/lj4550 in Europe http://www2.hp.com
Printer drivers may be obtained from the following sites: in Japan ftp://www.jpn.hp.com/drivers in Korea http://www.hp.co.kr in Taiwan http://www.hp.com.tw or the local driver website http://www.dds.com.tw
Obtaining software utilities and electronic information for U.S.:
Phone: (805) 257-5565 Fax: (805) 257-6995
Mail: Hewlett-Packard Distribution P Box 907.O. Santa Clarita, CA 91380-9007 U.S.A.
HP website: http://www.hp.com

hp color LaserJet 4550 4550n 4550dn 4550hdn
copyright 2000 Hewlett-Packard Company
www.hp.com/support/lj4550
*C7085-90936* *C7085-90936*

C7085-90936

6.5" x 9" BACK COVER
6.5" x 9" FRONT COVER
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