Epson LQ-780N Network Manual
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Epson LQ-780N Network Manual

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Network Guide
NPD6760-00 EN

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  • Page 1 Network Guide NPD6760-00 EN...

  • Page 2: Table Of Contents

    Network Guide Contents Contents Setting of the Printer Driver Using Server / Copyrights Client Connection..... . . 21 Printer Driver Settings for Peer to Peer Connection.
  • Page 3 Introduction of Network Software... . . 58 Epson Device Admin..... 58 EpsonNet Print.
  • Page 4 Neither is any liability assumed for damages resulting from the use of the information herein. The information contained herein is designed only for use with this Epson product. Epson is not responsible for any use of this information as applied to other products.
  • Page 5 Network Guide Trademarks Trademarks ® ❏ EPSON is a registered trademark, and EPSON EXCEED YOUR VISION or EXCEED YOUR VISION is a trademark of Seiko Epson Corporation. ❏ Microsoft ® ® ® ® , Windows , Windows Server , and Windows Vista are registered trademarks of Microsoft Corporation.

  • Page 6: About This Manual

    Network Guide About this Manual About this Manual Marks and Symbols Caution: Instructions that must be followed carefully to avoid bodily injury. Important: Instructions that must be observed to avoid damage to your equipment. Note: Instructions containing useful tips and restrictions on printer operation. Related Information &...
  • Page 7 Network Guide About this Manual ® ® ❏ Microsoft Windows Server 2016 operating system ❏ Microsoft ® ® Windows Server 2012 R2 operating system ® ® ❏ Microsoft Windows Server 2012 operating system ❏ Microsoft ® ® Windows Server 2008 R2 operating system ®...

  • Page 8: Introduction

    Network Guide Introduction Introduction Manual Component This manual explains how to connect the printer to the network and it contains information on how to make settings to use the functions. See the User’s Guide for function usage information. Preparation Explains how to set devices, and the software used for managing. Connection Explains how to connect a printer to the network.
  • Page 9 TCP/IP. Tool A generic term for software to setup or manage a device, such as Epson Device Admin, EpsonNet Config, EpsonNet SetupManager, etc. ASCII (American Standard Code for Information Interchange) One of the standard character codes.

  • Page 10: Preparation

    Network Guide Preparation Preparation This chapter explains what you need to prepare before making settings. Flow of the Printer Settings You make network connection settings and perform initial setup so that the printer is available to users. Preparing ❏ Collecting the connection setting information ❏...

  • Page 11: Server / Client Connection Settings

    Network Guide Preparation Server / Client Connection Settings Connection method: Connect the printer to the network via hub (L2 switch). You can also connect the printer to the server directly by USB cable. Printer driver: Install the printer driver on the Windows server depending on the OS of the client computers. By accessing the Windows server and linking the printer, the printer driver is installed on the client computer and can be used.

  • Page 12: Printer Specifications

    Network Guide Preparation Divisions Items Note ❏ Device connection Ethernet Use a category 5e or higher STP (Shielded Twisted Pair) cable. method ❏ LAN connection IP address If you automatically set the IP address using the DHCP function of the information router, it is not required.
  • Page 13 Network Guide Preparation Use EpsonNet Config from the administrator’s computer. You can set many printers, but they need to be connected physically by the Ethernet cable before setting. If you can build an Ethernet for the setting, and you set network settings for the printer, and then connect printer to regular network, you can keep security risk low.

  • Page 14: Connection

    Network Guide Connection Connection This chapter explains the environment or procedure to connect the printer to the network. Connecting to the Network Connecting to LAN Connect the printer to the network by Ethernet. Related Information “Connecting to the Network Using the Installer” on page 18 &...
  • Page 15 Network Guide Connection Note: ❏ If you have connected multiple printers of the same model, you can identify the printer using the MAC address. ❏ After the printer is connected to the network, you can change the IP address assignment method. Select Network >...
  • Page 16 Network Guide Connection Enter the addresses for IP Address, Subnet Mask, and Default Gateway. Note: ❏ Enter a static address when you connect the printer to a secure network. ❏ In the TCP/IP menu, you can make settings for the DNS on the DNS screen. Click Transmit.
  • Page 17 Network Guide Connection Click OK. Click Refresh.

  • Page 18: Connecting To The Network Using The Installer

    Network Guide Connection Check that an IP address has been assigned. Connecting to the Network Using the Installer We recommend using the installer to connect the printer to a computer. Insert the software disc into the computer, and then follow the on-screen instructions.
  • Page 19 Network Guide Connection Follow the on-screen instructions until the following screen is displayed, select Ethernet Connection, and then click Next. If you connect the printer to the network using an Ethernet cable, the following screen is displayed. Select the printer, and then click Next. Follow the on-screen instructions.

  • Page 20: Function Settings

    Network Guide Function Settings Function Settings This chapter explains the first settings to make in order to use each function of the device. In this topic, the procedure for making settings from the administrator’s computer using Web Config is explained. Web Config (Web Page for Device) About Web Config Web Config is a browser-based application for configuring the printer’s settings.

  • Page 21: Using The Print Functions

    Network Guide Function Settings Note: ❏ Examples IPv4: https://192.0.2.111/ http://192.0.2.111/ IPv6: https://[2001:db8::1000:1]/ http://[2001:db8::1000:1]/ ❏ If the printer name is registered with the DNS server, you can use the printer name instead of the printer’s IP address. ❏ Not all menus are displayed when accessing Web Config via HTTP. To see all the menus, access Web Config via HTTPS.
  • Page 22 Network Guide Function Settings Add a local printer. Select Add a local printer or network printer with manual settings, and then click Next. Select Create a new port, select Standard TCP/IP Port as the Port Type, and then click Next. Enter the printer’s IP address or printer name in Host Name or IP Address or Printer Name or IP Address, and then click Next.
  • Page 23 Network Guide Function Settings Set the printer driver. ❏ If the printer driver is already installed: Select Manufacturer and Printers. Click Next. ❏ If the printer driver is not installed: Click Have Disc and then insert the software disc supplied with the printer. Click Browse, and then select the folder on the disc containing the printer driver.

  • Page 24: Printer Driver Settings For Peer To Peer Connection

    Network Guide Function Settings Right-click the printer icon (print queue) that you want to share with, and then select Printer Properties > Sharing tab. Select Share this printer and then enter to Share name. Installing Additional Drivers If the Windows versions for a server and clients are different, it is recommended to install additional drivers to the print server.
  • Page 25 Network Guide Function Settings Setting the Printer Driver For small organizations, we recommend installing the printer driver on each client computer. Note: When the printer is used from many client computers, by using EpsonNet SetupManager and delivering the driver as a package, install operation time can be reduced dramatically.

  • Page 26: Security Settings

    In order to avoid this risk, Epson printers have a variety of security technologies. Set the device as necessary according to the environmental conditions that have been built with the customer’s environment information.

  • Page 27: Security Feature Settings

    Network Guide Security Settings Feature name Feature type What to set What to prevent IPsec/IP filtering You can set to allow Create a basic policy and Protect unauthorized severing and cutting off of individual policy to set the access, and tampering and data that is from a certain client or type of data that interception of...

  • Page 28: Controlling Protocols And Services

    Network Guide Security Settings Note: The initial value of the Web Config administrator password is the product serial number. Check the product serial number on the manufacturing rating plate on the printer. Select OK. Note: ❏ To set or change the locked menu items, click Administrator Login, and then enter the administrator password. ❏...
  • Page 29 Network Guide Security Settings Related Information “Accessing Web Config” on page 20 & “Protocols you can Enable or Disable” on page 29 & “Protocol Setting Items” on page 30 & Protocols you can Enable or Disable Protocol Description Bonjour Settings You can specify whether to use Bonjour.
  • Page 30 Network Guide Security Settings Protocol Setting Items Items Setting value and Description Bonjour Settings Use Bonjour Select this to search for or use devices through Bonjour. Bonjour Name Displays the Bonjour name. Bonjour Service Name Displays the Bonjour service name. Location Displays the Bonjour location name.
  • Page 31 Network Guide Security Settings Items Setting value and Description Enable LLMNR Select this to enable LLMNR. You can use name resolution without NetBIOS even if you cannot use DNS. LPR Settings Allow LPR Port Printing Select to allow printing from the LPR port. Printing Timeout (sec) Enter the timeout value for LPR printing between 0 to 3,600 seconds.

  • Page 32: Ssl/Tls Communication With The Printer

    Network Guide Security Settings Items Setting value and Description IP Trap 1 to 4 Enable IP Trap X Select to enable IP traps 1, 2, 3, or 4. Address Enter the IP address for the Trap Destination. Community Name Enter a community name. You can enter up to 32 single-byte alphanumeric characters, spaces, and the following symbols.

  • Page 33: About Digital Certification

    Network Guide Security Settings About Digital Certification ❏ Certificate signed by a CA A certificate signed by a CA (Certificate Authority) must be obtained from a certificate authority. You can ensure secure communications by using a CA-signed certificate. You can use a CA-signed certificate for each security feature.
  • Page 34 Network Guide Security Settings Click one of the download buttons of CSR according to a specified format by each certificate authority to download a CSR to a computer. Important: Do not generate a CSR again. If you do so, you may not be able to import an issued CA-signed Certificate. Send the CSR to a certificate authority and obtain a CA-signed Certificate.
  • Page 35 Network Guide Security Settings Related Information “Obtaining a CA-signed Certificate” on page 33 & Importing a CA-signed Certificate Important: ❏ Make sure that the printer’s date and time is set correctly. ❏ If you obtain a certificate using a CSR created from Web Config, you can import a certificate one time. Access Web Config and then select Network Security Settings.

  • Page 36: Deleting A Ca-Signed Certificate

    Network Guide Security Settings CA-signed Certificate Importing Setting Items Items Settings and Explanation Server Certificate or Client Certificate Select a certificate’s format. Private Key If you obtain a certificate of the PEM/DER format by using a CSR created from a computer, specify a private key file that is match a certificate.

  • Page 37: Updating A Self-Signed Certificate

    Network Guide Security Settings Related Information “Accessing Web Config” on page 20 & Updating a Self-signed Certificate If the printer supports the HTTPS server feature, you can update a self-signed certificate. When accessing Web Config using a self-signed certificate, a warning message appears. Use a self-signed certificate temporarily until you obtain and import a CA-signed certificate.

  • Page 38: Encrypted Communication Using Ipsec/Ip Filtering

    Network Guide Security Settings Note: Click Confirm to verify the certificate information. Related Information “Accessing Web Config” on page 20 & Encrypted Communication Using IPsec/IP Filtering About IPsec/IP Filtering If the printer supports IPsec/IP Filtering, you can filter traffic based on IP addresses, services, and port. By combining of the filtering, you can configure the printer to accept or block specified clients and specified data.
  • Page 39 Network Guide Security Settings Default Policy Setting Items Items Settings and Explanation IPsec/IP Filtering You can enable or disable an IPsec/IP Filtering feature. Access Control Configure a control method for traffic of IP packets. Permit Access Select this to permit configured IP packets to pass through.

  • Page 40: Configuring Group Policy

    Network Guide Security Settings Items Settings and Explanation Security Protocol If you select IPsec for Access Control, select an option. Select this to ensure the integrity of an authentication and data, and encrypt data. Select this to ensure the integrity of an authentication and data.
  • Page 41 Network Guide Security Settings Group Policy Setting Items Items Settings and Explanation Enable this Group Policy You can enable or disable a group policy. Access Control Configure a control method for traffic of IP packets. Permit Access Select this to permit configured IP packets to pass through.
  • Page 42 Network Guide Security Settings Items Settings and Explanation Service Name If you select Service Name for Method of Choosing Port, select an option. Transport Protocol If you select Port Number for Method of Choosing Port, you need to configure an encapsulation mode. Any Protocol Select this to control all protocol types.
  • Page 43 SNMP Any port Acquiring and configuring of MIB from applications such as EpsonNet Config, the Epson printer driver and the Epson scanner driver Any port Forwarding LPR data RAW (Port9100) 9100 Any port...

  • Page 44: Configuration Examples Of Ipsec/Ip Filtering

    Network Guide Security Settings Service Name Protocol type Local port number Remote port Features controlled number FTP Data (Local) Any port FTP server (forwarding data of FTP printing) FTP Control (Local) Any port FTP server (controlling FTP printing) CIFS (Local) Any port CIFS server (Sharing a network folder)

  • Page 45: Using Snmpv3 Protocol

    Network Guide Security Settings ❏ Service Name: Check the box of ENPC, SNMP, HTTP (Local), HTTPS (Local) and RAW (Port9100). Receiving access from a specified IP address only This example allows a specified IP address to access the printer. Default Policy: ❏...
  • Page 46 Network Guide Security Settings Related Information “Accessing Web Config” on page 20 & “SNMPv3 Setting Items” on page 46 & SNMPv3 Setting Items Items Settings and Explanation Enable SNMPv3 SNMPv3 is enabled when the box is checked. User Name Enter between 1 and 32 characters using 1 byte characters. Authentication Settings Algorithm Select an algorithm for an authentication.
  • Page 47 Network Guide Security Settings Related Information “Configuring SNMPv3” on page 45 &...

  • Page 48: Solving Problems

    Network Guide Solving Problems Solving Problems Checking the Log for Server and Network Device If trouble occurred in the network connection, you may be able to identify the cause by checking the log for the mail server or the LDAP server or the status by using the system log for the network device, such as a router, or commands.

  • Page 49: Restoring The Network Settings Using Epsonnet Config

    Network Guide Solving Problems Hold down the Status sheet button while turning on the printer. Restoring the Network Settings using EpsonNet Config You can restore network settings to their defaults by using EpsonNet Config. Start EpsonNet Config. Select the printer for which you want to restore the network settings. Right-click the printer name, and then select Default Settings >...

  • Page 50: Problems Using Network Software

    Network Guide Solving Problems Problems Using Network Software Cannot Access Web Config Is the IP address of the printer properly configured? Configure the IP address using EpsonNet Config or the printer’s control panel. You can confirm the current setting information with a network status sheet or from the printer’s control panel. Does your browser support the bulk encryptions for the Encryption Strength for SSL/TLS? The bulk encryptions for the Encryption Strength for SSL/TLS are as follows.

  • Page 51: Model Name And/Or Ip Address Are Not Displayed On Epsonnet Config

    Network Guide Solving Problems Model name and/or IP address are not displayed on EpsonNet Config Did you select Block, Cancel, or Shut down when a Windows security screen or a firewall screen was displayed? If you select Block, Cancel, or Shut down, the IP address and model name will not display on EpsonNet Config or EpsonNet Setup.

  • Page 52: Restoring The Security Function Using Web Config

    Network Guide Solving Problems Press the d button or the u button to select the menu parameters of IPsec/IP Filtering. Press the o button to scroll through the values within the selected parameter until you find Off. After you finish settings, press the o and d buttons. The Font and Tear off lamps turn off and the printer exits the default-setting mode.
  • Page 53 Network Guide Solving Problems Security Methods Algorithms Encryption Algorithm AES-CBC 128,AES-CBC 192,AES-CBC 256,3DES-CBC,DES-CBC Hash Algorithm SHA-1,SHA2-256,SHA2-384,SHA2-512,MD5 Key exchange Algorithm Diffi e-Hellman Group2,Diffi e-Hellman Group1*,Diffi e-Hellman Group14* Elliptic Curve Diffi e- Hellman P-256*,Elliptic Curve Diffi e-Hellman P-384* *Available method may vary by models. Related Information “Encrypted Communication Using IPsec/IP Filtering”...

  • Page 54: Problems On Using A Digital Certificate

    Network Guide Solving Problems Disable IPsec/IP filtering from the printer’s control panel. Connect the printer and computer and make the IPsec/IP Filtering settings again. Related Information “Encrypted Communication Using IPsec/IP Filtering” on page 38 & Problems on Using a Digital Certificate Cannot Import a CA-signed Certificate Does the CA-signed certificate and the information on the CSR match? If the CA-signed certificate and CSR do not have the same information, the CSR cannot be imported.
  • Page 55 Cause: Date and time for the printer have not been set. What to do: Set date and time using Web Config, or Epson Device Admin. Invalid password. Cause: The password set for CA certificate and entered password do not match.
  • Page 56 Network Guide Solving Problems Messages Cause/What to do Invalid file. Cause: You are not importing a certificate file in X509 format. What to do: For more information on the certificate, see the website of the certificate authority. Cause: The file you have imported is too large. The maximum file size is 5KB. What to do: If you select the correct file, the certificate might be corrupted or fabricated.
  • Page 57 Network Guide Solving Problems Related Information “About Digital Certification” on page 33 & Delete a CA-signed Certificate by Mistake Is there a backup file for the certificate? If you have the backup file, import the certificate again. If you obtain a certificate using a CSR created from Web Config, you cannot import a deleted certificate again. Create a CSR and obtain a new certificate.

  • Page 58: Appendix

    The following describes the software that configures and manages devices. Epson Device Admin Epson Device Admin is an application that allows you to install devices on the network, and then configure and manage the devices. You can acquire detailed information for devices such as status and consumables, send notifications of alerts, and create reports for device usage.

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