This manual is intended for people who want to configure the NPS-520 using the ZyXEL
utility or the web configurator. You should have at least a basic knowledge of TCP/IP
networking concepts and topology.
Related Documentation
• Quick Start Guide
The Quick Start Guide is designed to help you get up and running right away. It contains
information on setting up your network and configuring for Internet access.
• Online Help
Embedded web help for descriptions of individual screens and supplementary
information.
• Supporting Disk
Refer to the included CD for support documents.
• ZyXEL Web Site
Please refer to www.zyxel.com
certifications.
for additional support documentation and product
User Guide Feedback
Help us help you. Send all User Guide-related comments, questions or suggestions for
improvement to the following address, or use e-mail instead. Thank you!
The Technical Writing Team,
ZyXEL Communications Corp.,
6 Innovation Road II,
Science-Based Industrial Park,
Hsinchu, 300, Taiwan.
E-mail: techwriters@zyxel.com.tw
NPS-520 User’s Guide
3
Document Conventions
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
1Warnings tell you about things that could harm you or your device.
"Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The NPS-520 may be referred to as the “NPS-520” or the “print server” in this User’s
Guide.
• Product labels, screen names, field labels and field choices are all in bold font.
• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER]
means the “enter” or “return” key on your keyboard.
• “Enter” means for you to type one or more characters and then press the [ENTER] key.
“Select” or “choose” means for you to use one of the predefined choices.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For example,
Maintenance > Log > Log Setting means you first click Maintenance in the navigation
panel, then the Log sub menu and finally the Log Setting tab to get to that screen.
• Units of measurement may denote the “metric” value or the “scientific” value. For
example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000”
or “1048576” and so on.
• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.
4
NPS-520 User’s Guide
Document Conventions
Icons Used in Figures
Figures in this User’s Guide may use the following generic icons. The NPS-520 icon is not an
exact representation of your device.
NPS-520ComputerNotebook computer
ServerModem or RouterPrinter
NPS-520 User’s Guide
5
Safety Warnings
Safety Warnings
1For your safety, be sure to read and follow all warning notices and instructions.
• Do NOT use this product near water, for example, in a wet basement or near a swimming
pool.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk
of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• Do NOT open the device or unit. Opening or removing covers can expose you to
dangerous high voltage points or other risks. ONLY qualified service personnel should
service or disassemble this device. Please contact your vendor for further information.
• Make sure to connect the cables to the correct ports.
• Place connecting cables carefully so that no one will step on them or stumble over them.
• Always disconnect all cables from this device before servicing or disassembling.
• Use ONLY an appropriate power adaptor or cord for your device.
• Connect the power adaptor or cord to the right supply voltage (for example, 110V AC in
North America or 230V AC in Europe).
• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the
product where anyone can walk on the power adaptor or cord.
• Do NOT use the device if the power adaptor or cord is damaged as it might cause
electrocution.
• If the power adaptor or cord is damaged, remove it from the power outlet.
• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a
new one.
• Do not use the device outside, and make sure all the connections are indoors. There is a
remote risk of electric shock from lightning.
6
This product is recyclable. Dispose of it properly.
NPS-520 User’s Guide
Contents Overview
Contents Overview
Introducing the NPS-520 ........................................................................................................... 17
Figure 10 ZyXEL Utility: System Setting ................................................................................................ 29
Figure 11 About ..................................................................................................................................... 31
Table 7 ZyXEL Utility: System Setting ................................................................................................... 29
Table 8 About ......................................................................................................................................... 31
Table 9 Title Bar: Web Configurator Icons ............................................................................................. 37
Table 17 NPS-520 Compatible USB Printers ........................................................................................ 73
NPS-520 User’s Guide
15
List of Tables
16
NPS-520 User’s Guide
CHAPTER 1
Introducing the NPS-520
This chapter introduces the main applications of the NPS-520. It also introduces the ways you
can manage the NPS-520.
1.1 Overview
The NPS-520 (labeled NPS in the following graphic) is a print server that allows the
computers in a network to share a printer, especially a multi-function printer (MFP). A MFP is
a printer that can also work as a scanner, fax machine, copy machine, card reader and so on.
The NPS-520 has one USB port and one Ethernet port. If a MFP comes with a USB port but
no Ethernet port, the NPS-520 allows you to connect the MFP to your network and provides
users on the network with shared access to the printer.
Figure 1 Application Overview
Windows 2000 SP4 and later computers connected to the NPS-520 can use all features
available on an MFP, such as copying, printing, scanning and so on. They should also support
LPR (Line Printer Remote) or IPP (Internet Printing Protocol). Other computers connected to
the NPS-520 can only use the printer to print. Computers must take turns using the printer.
1.2 Ways to Manage the NPS-520
Use any of the following methods to manage the NPS-520.
• ZyXEL Utility. The utility is a tool that helps you configure the NPS-520 in a Windows
computer.
• Web Configurator. You must use the web configurator if your are using a Linux/UNIX or
Macintosh computer.
NPS-520 User’s Guide
17
Chapter 1 Introducing the NPS-520
1.3 Good Habits for Managing the NPS-520
Do the following things regularly to make the NPS-520 more secure and to manage the NPS520 more effectively.
• Change the password. Use a password that’s not easy to guess and that consists of
different types of characters, such as numbers and letters.
• Write down the password and put it in a safe place. If you forget your password, you will
have to reset the NPS-520 to its factory default settings.
1.4 Hardware and Utility Installation
Follow the instructions in the Quick Start Guide to make hardware connections and install the
ZyXEL utility.
1.5 The Reset Button
If you forget the password and cannot access the ZyXEL utility’s TCP/IP Setting and System
Setting screens or the web configurator, you will need to use the Reset button on the side of
the NPS-520. This means you will lose all configurations that you had previously. The
password will be reset to 1234 and the IP address will be reset to 192.168.1.6.
1 Make sure the Ready LED on the NPS-520’s panel is on (not blinking).
2 Press the Reset button for more than five seconds and then release it.
3 The Ready LED is off when you press the button. Then the Ready and Status LEDs
flash once.
4 When the Ready LED turns steady on, the defaults have been restored and the NPS-520
is ready.
18
NPS-520 User’s Guide
1.6 LEDs
Figure 2 LEDs
Chapter 1 Introducing the NPS-520
The following table describes the lights (LEDs) on the NPS-520.
Table 1 LEDs
LEDCOLORSTATUSDESCRIPTION
LANBlueOnThe NPS-520 has a successful connection on this port.
Blinking The NPS-520 is sending/receiving data on this port.
OffThe NPS-520 does not have a connection on this port.
STATUSBlueOnFirmware upload is in progress or the printer has a paper
jam or is out of paper.
Blinking The NPS-520 is connected to a printer or sending a print
OffThe NPS-520 is not connected to a printer or receives no
READYBlueOnThe system is ready.
OffThe NPS-520 is not receiving power or failed to restart or
job to a printer.
print jobs.
firmware upload was not successful.
NPS-520 User’s Guide
19
Chapter 1 Introducing the NPS-520
20
NPS-520 User’s Guide
CHAPTER 2
ZyXEL Utility
This chapter shows you how to use the ZyXEL utility to configure your NPS-520.
2.1 Accessing the ZyXEL Utility
To open the ZyXEL utility, double-click the ZyXEL utility icon () in the system tray or
click Start > (All) Programs > ZyXEL NPS-520 Utility > NPS-520 Utility.
"Click the help icon () (located in the top right corner) to display the online
help window.
2.2 ZyXEL Utility Icon
After you install and start the ZyXEL utility, an icon for the ZyXEL utility appears in the
system tray.
Figure 3 ZyXEL Utility: System Tray Icon
The ZyXEL utility system tray icon indicates the status of the NPS-520. Refer to the following
table for details.
Table 2 ZyXEL Utility: System Tray Icon
ICONDESCRIPTION
The NPS-520 is not powered on or not connected to your computer or network.
The NPS-520is not connected to a printer or other client computer is using the
printer connected to the NPS-520.
The NPS-520 is powered on and connected to a printer.
NPS-520 User’s Guide
21
Chapter 2 ZyXEL Utility
2.3 ZyXEL Utility Screen Summary
This section describes the ZyXEL utility screens.
Figure 4 ZyXEL Utility Menu Summary
The following table describes the menus.
Table 3 ZyXEL Utility Menu Summary
TABDESCRIPTION
StatusUse this screen to
•scan for a print server in your network.
•associate with a printer that is connected to the NPS-520.
•view your current connection status.
General SettingUse this screen to configure if you want to open the utility when you start the
computer and general settings.
TCP/IP SettingUse this screen to either manually configure the NPS-520’s IP address and
subnet mask and a gateway IP address or set the NPS-520 to get the TCP/IP
information from a DHCP server.
System SettingUse this screen to configure the NPS-520’s description and password, upload
firmware, reset the factory defaults, restart the NPS-520 and drop the connection
between the printer and the associated computer.
2.4 The Status Screen
When the ZyXEL utility starts, the Status screen displays, showing the current configuration
and connection status of the NPS-520.
22
NPS-520 User’s Guide
Chapter 2 ZyXEL Utility
Figure 5 ZyXEL Utility: Status
The following table describes the labels in this screen.
Table 4 ZyXEL Utility: Status
LABEL DESCRIPTION
Print Server ListThe table below shows you the available print server(s) in your network.
,
,
or
NameThis field displays the NPS-520’s name that you can configure during installing
Connected Printer
Model
denotes that a printer is connected to the print server, but your computer
is not associated with the printer.
denotes that there is no printer connected to the print server.
denotes that a printer is connected to the print server, and your computer
is also associated with the printer.
denotes that the print server is busy and the printer connected is not
available.
the utility or in the System Setting screen.
This field displays the model name of the printer that is currently connected to
the NPS-520. This field is blank if there is no printer connected to the NPS-520.
NPS-520 User’s Guide
23
Chapter 2 ZyXEL Utility
Table 4 ZyXEL Utility: Status (continued)
LABEL DESCRIPTION
Auto ReleaseThis allows you to configure whether your computer will be disconnected from
Device InformationClick an entry in the Print Server List table to display the information of the
MAC AddressThis is the MAC address of the print server.
FW VersionThis is the version of the current firmware on the print server.
StatusThis shows whether your computer is associated with the printer (that is
Computer NameThis is your computer’s “Computer Name”.
User’s ContactThis is your computer’s contact information that you configured in the General
DescriptionThis is the NPS-520’s descriptions that you can configure during installing the
Auto Connect This shows whether the Auto Connect feature is active (Enable) or not
ConnectSelect an entry in the Print Server List table and use this button to associate
DisconnectSelect an entry in the Print Server List table and use this button to drop the
the printer when there is no request sent to the printer.
Note: The Auto Release and Auto Connect features are not
configurable if your computer operating system version is
older then Windows 2000 SP4.
Select Disable to have your computer always connect to the printer even when
there is no traffic between the computer and the printer.
Note: If you disable Auto Release, only your computer can use
the printer. Click Disconnect to manually drop the
connection between your computer and the printer.
Select When idle time and select a period of idle time (in minutes) that elapses
before the NPS-520 drop the connection between the computer and the printer.
Note: It’s strongly recommended that you enable Auto Release
and/or Auto Connect on all Windows computers. This
allows computers in the network take turns to use the
printer.
selected print server.
connected to the selected print server) (Connected) or not (Disconnected).
Setting screen.
utility or in the System Setting screen.
(Disable).
your computer with the printer which is connected to the print server. If a
computer is connected to the printer already, this button is not applicable.
connection between your computer and the printer which is connected to the
print server.
If another computer in your network is connected to the printer, this button is
not applicable. Use the Force Release button in the System Setting screen to
disconnect the connection between the printer and another computer.
24
NPS-520 User’s Guide
Chapter 2 ZyXEL Utility
Table 4 ZyXEL Utility: Status (continued)
LABEL DESCRIPTION
RefreshUse this button to scan for the available print server(s) in your network again
and update the table above.
Auto ConnectUse this button to have the NPS-520 automatically associate your computer
with the specified printer when you send out a job and the printer is available.
When you click this button, a screen displays. Select a printer which is added to
your computer and connected to the NPS-520, and click OK.
Note: When your print job is done and there is no other request
(from your computer) sent to the printer in 20 seconds, the
NPS-520 drops the connection between your computer
and the printer.
2.5 The General Setting Screen
Use this screen to specify whether you want to open the utility when you start the computer or
minimize the utility screen.
Figure 6 ZyXEL Utility: General Setting
NPS-520 User’s Guide
25
Chapter 2 ZyXEL Utility
The following table describes the labels in this screen.
Table 5 ZyXEL Utility: General Setting
LABEL DESCRIPTION
General Setting
Run ZyXEL Print
Server Utility when
Windows starts
Run minimized mode
in system when starts
ZyXEL Print Server
Utility
User’s Contact
Information
Save Click this button to save your changes to the NPS-520.
CancelClick this button to return to the Status screen without saving changes.
Select this check box to have the ZyXEL utility open automatically each time
you start Windows.
Select this check box to minimize the ZyXEL utility screen each time you start
the utility. To restore it, double-click the utility icon in the system tray.
Enter your contact information (of up to 15 printable characters long), such as
your location.
2.6 The TCP/IP Setting Screen
Use this screen to configure the NPS-520’s TCP/IP settings, such as IP address, subnet mask
and gateway.
When you click the TCP/IP Setting tab, the following login screen displays. Select the name
of your NPS-520 and enter the password (1234 by default).
Figure 7 ZyXEL Utility: Login
After you click OK, the TCP/IP Setting screen appears.
26
NPS-520 User’s Guide
Figure 8 ZyXEL Utility: TCP/IP Setting
Chapter 2 ZyXEL Utility
The following table describes the labels in this screen.
Table 6 ZyXEL Utility: TCP/IP Setting
LABEL DESCRIPTION
Print ServerThis is the NPS-520’s descriptive name you configure in the System Setting
screen.
Static IPSelect this option if there is not a DHCP server in the network to which the
IP AddressEnter the IP address of the NPS-520. The IP address should be in the same
NPS-520 is connected and configure the TCP/IP information in the fields
below.
subnet of the network to which the NPS-520 is connected.
Note: The NPS-520‘s default IP address is 192.168.1.6.
Subnet MaskEnter the subnet mask of the NPS-520.
GatewayEnter the IP address of the default gateway in the network to which the NPS-
520 is connected.
Dynamic IPSelect this option to have the DHCP server (in the network to which the NPS-
520 is connected) assign the NPS-520 an IP address automatically.
The fields below are grayed out when you select this option.
Note: We recommend you give the NPS-520 a static IP address
or configure your DHCP server to always give it the same
IP address (static DHCP). If the NPS-520's IP address
changes, you need to uninstall and reinstall the ZyXEL
utility on each computer that uses it.
NPS-520 User’s Guide
27
Chapter 2 ZyXEL Utility
Table 6 ZyXEL Utility: TCP/IP Setting (continued)
LABEL DESCRIPTION
Save Click this button to save your changes to the NPS-520.
After you click the Save button, the following screen displays showing you the
configured TCP/IP information. Click Reboot Now to restart the NPS-520 and
have your new settings take effect immediately. Otherwise, click Reboot Later
to restart the NPS-520 after you finish all changes.
CancelClick this button to return to the Status screen without saving changes.
2.7 The System Setting Screen
This screen allows you to configure the NPS-520’s description and password, upload
firmware, reset the factory defaults, restart the NPS-520 and drop the connection between the
printer and the associated computer.
When you click the System Setting tab, the following login screen displays. Select the name
of your NPS-520 and enter the password (1234 by default).
Figure 9 ZyXEL Utility: Login
After you click OK, the System Setting screen appears.
28
NPS-520 User’s Guide
Figure 10 ZyXEL Utility: System Setting
Chapter 2 ZyXEL Utility
The following table describes the labels in this screen.
Table 7 ZyXEL Utility: System Setting
LABEL DESCRIPTION
System Setting
Print Server NameEnter a descriptive name to replace the NPS-520’s unique generated device
name (the last three characters of the NPS-520’s MAC address with the prefix
“ZyXEL”). You can enter up to 15 printable characters. Spaces are allowed.
Change PasswordType a new administrator password for configuring the TCP/IP and system
settings.You can enter up to seven printable characters. Spaces are allowed.
Please note as you type a password, the screen displays a * for each character
you type.
Retype PasswordType the new password for confirmation.
Print Server
Description
Save Click this button to save your changes to the NPS-520.
CancelClick this button to return to the Status screen without saving changes.
Firmware UpgradeType in the location of the .bin file you want to upload in this field or click
BrowseClick Browse to find the .bin file you want to upload. Remember that you must
Type additional descriptive text for the NPS-520 if you want. You can enter up
to 15 ASCII characters. Spaces are allowed.
Browse to find it.
decompress compressed (.zip) files before you can upload them.
Find firmware at www.zyxel.com in a file that (usually) uses the system model
name with a .bin extension.
NPS-520 User’s Guide
29
Chapter 2 ZyXEL Utility
Table 7 ZyXEL Utility: System Setting (continued)
LABEL DESCRIPTION
UpgradeClick Upgrade to begin the upload process.
Reset to factory
default
The following screen displays when the upload is successful. Click OK to go
back to the System Setting screen.
Note: Only upload firmware for your specific model.
Note: Do not turn off the NPS-520 while firmware upload is in
process.
Click OK to clear all user-entered configuration information and return the NPS520 to its factory defaults.
When the following displays, click OK to go back to the System Setting
screen.
30
You can also use the hardware Reset button to reset the factory defaults of
your NPS-520. SeeSection 1.5 on page 18for more information on the Reset
button.
NPS-520 User’s Guide
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