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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.

Printing a Network Status Sheet

You can print out and check detailed network information.

Load paper.

Hold down the Status sheet button for about three seconds.

The network status sheets are printed.

Initializing the Network Settings

Restoring the Network Settings from the Printer

You can restore network settings to their defaults.

Turn off the printer.

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.

Network Guide

Solving Problems

Содержание LQ-2090II

Страница 1: ...Network Guide NPD5771 01 EN ...

Страница 2: ...ing Server Client Connection 21 Printer Driver Settings for Peer to Peer Connection 26 Security Settings Security Settings and Prevention of Danger 28 Security Feature Settings 29 Configuring the Administrator Password 29 Configuring the Administrator Password Using Web Config 29 Controlling Protocols and Services 30 Controlling Protocols 30 SSL TLS Communication with the Printer 34 About Digital ...

Страница 3: ...rity 53 Restoring the Security Settings 53 Disabling the Security Function from the Printer 53 Restoring the Security Function Using Web Config 54 Problems Using Network Security Features 54 Problems on Using a Digital Certificate 56 Appendix Introduction of Network Software 60 Epson Device Admin 60 EpsonNet Print 60 EpsonNet SetupManager 60 Network Guide Contents 3 ...

Страница 4: ... expenses incurred by the purchaser or third parties as a result of accident misuse or abuse of this product or unauthorized modifications repairs or alterations to this product or excluding the U S failure to strictly comply with Seiko Epson Corporation s operating and maintenance instructions Seiko Epson Corporation and its affiliates shall not be liable for any damages or problems arising from ...

Страница 5: ... of Google Inc Microsoft Windows Windows Server and Windows Vista are registered trademarks of Microsoft Corporation IBM is a registered trademark of International Business Machines Corporation Bonjour is a trademark of Apple Inc registered in the U S and other countries General Notice Other product names used herein are for identification purposes only and may be trademarks of their respective ow...

Страница 6: ...he same Operating System References Windows Inthismanual termssuchas Windows10 Windows8 1 Windows8 Windows7 WindowsVista Windows XP Windows Server 2012 R2 Windows Server 2012 Windows Server 2008 R2 Windows Server 2008 Windows Server 2003 R2 and Windows Server 2003 refer to the following operating systems Additionally Windows is used to refer to all versions Microsoft Windows 10 operating system Mi...

Страница 7: ...ing system Microsoft Windows Server 2008 R2 operating system Microsoft Windows Server 2008 operating system Microsoft Windows Server 2003 R2 operating system Microsoft Windows Server 2003 operating system Network Guide About this Manual 7 ...

Страница 8: ...izations administrators have authority over the network ordevices on the group unit of a department or division and network administrators are in charge of the communication settings for beyond the organization such as the Internet Network administrator The person in charge of controlling network communication The person who set up the router proxy server DNS server and mail server to control comm...

Страница 9: ...Manager etc ASCII American Standard Code for Information Interchange One of the standard character codes 128 characters are defined including such characters as the alphabet a z A Z Arabic numbers 0 9 symbols blank characters and control characters When ASCII is described in this guide it indicates the 0x20 0x7E hex number listed below and does not involve control characters SP 0 1 2 3 4 5 6 7 8 9...

Страница 10: ...nting Printer driver settings D Security settings Administrator settings SSL TLS Protocol control IPsec IP firtering Related Information Connection on page 14 Function Settings on page 20 Security Settings on page 28 Introduction of Printer Connection The following two methods are available for the printer s network directly by both methods Server client connection printer sharing using the Window...

Страница 11: ...en the Windows server is turned off Related Information Definitions of Terms Used in this Guide on page 8 Peer to Peer Connection Settings Connection method Connect the printer to the network via hub L2 switch Printer driver Installtheprinterdriveroneachclientcomputer ItcanbedeliveredasapackagebyusingEpsonNetSetupManageror automatically by using the Group Policy of the Windows server Features The ...

Страница 12: ...ddress to the printer Static IP address Assign the predetermined unique IP address to the printer TheIPaddressisnotchangedevenwhenturningontheprinterorturningofftherouter soyoucanmanagethedevice by IP address This type is suitable for a network where many printers are managed such as a large office or school Automatic assignment by DHCP function The correct IP address is automatically assigned whe...

Страница 13: ...r s instructions even if you do not have deep knowledge of the network This is recommended whensettingtheprinterandafewclientcomputersbyusingtheserver clientconnection sharingtheprinterusingthe Windows server Related Information Assigning an IP Address Using EpsonNet Config on page 14 Connecting to the Network Using the Installer on page 18 Installing EpsonNet Config Download EpsonNet Config from ...

Страница 14: ...the printer to the network using an Ethernet cable C Start EpsonNet Config A list of the printers on the network is displayed It may take a while before they are displayed D Double click the printer that you want to assign to If you connect the printer to a network with an available DHCP function the IP address is assigned using the DHCP function and then is displayed Note If you have connected mu...

Страница 15: ...E Select Network TCP IP Basic Network Guide Connection 15 ...

Страница 16: ...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 G Click Transmit H Click OK on the confirmation screen Network Guide Connection 16 ...

Страница 17: ...I Click OK J Click Refresh Network Guide Connection 17 ...

Страница 18: ...signed Connecting to the Network Using the Installer We recommend using the installer to connect the printer to a computer A Insert the software disc into the computer and then follow the on screen instructions Network Guide Connection 18 ...

Страница 19: ...sdisplayed selectEthernetConnection andthen 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 C Follow the on screen instructions Network Guide Connection 19 ...

Страница 20: ...nfiguring the administrator password to the printer Accessing Web Config There are two methods to access Web Config JavaScript must be enabled in the browser Entering IP address Start EpsonNet Config and then double click the printer in the list Enter the printer s IP address into a web browser When accessing Web Config via HTTPS a warning message will appear in the browser since a self signed cer...

Страница 21: ...ting system Installing the printer driver Making the print queue to a computer Setting the port to a network Setting of the Printer Driver Using Server Client Connection Set the printer to enable printing from a computer that was previously set as the print server and share the printer Install the printer driver for both the server and the client on the print server If the installer is used settin...

Страница 22: ...ndows Server 2012 R2 WindowsServer 2012 Click Add printer and then select The printer that I want isn t listed Windows 7 Windows Server 2008 R2 Click Add printer Windows Vista Windows Server 2008 Click Install Printer Windows XP Windows Server 2003 R2 Windows Server 2003 Click Install Printer and then click Next C Add a local printer Windows 10 Windows 8 1 Windows 8 Windows Server 2012 R2 Windows ...

Страница 23: ...Address and then click Next Do not change Port name Click Continue when the User Account Control screen is displayed For Windows XP Windows Server 2003 R2 Windows Server 2003 click Done on the Standard TCP IP Printer Port screen Note Ifyouspecifytheprinternameonthenetworkwherethenameresolutionisavailable theIPaddressistrackedevenif printer sIPaddresshasbeenchangedbyDHCP Youcanconfirmtheprintername...

Страница 24: ...25 Checking the Port Configuration Windows Check if the correct port is set for the print queue A Open the devices and printers screen Windows 10 Windows Server 2016 Right click the start button or press and hold it and then select Control Panel Hardware and Sound Devices and Printers Windows 8 1 Windows 8 Windows Server 2012 R2 Windows Server 2012 Desktop Settings Control Panel Hardware and Sound...

Страница 25: ...nter Properties Sharing tab C Select Share this printer and then enter to Share name For Windows Server 2012 click Change Sharing Options and then configure the settings 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 A Select Control Panel View devices and printers on the print server ...

Страница 26: ...that you want to use Related Information Sharing the Printer on page 25 Installing Additional Drivers on page 25 Printer Driver Settings for Peer to Peer Connection For peer to peer connection direct printing the printer driver must be installed on each client computer Related Information Setting the Printer Driver on page 26 Setting the Printer Driver For small organizations we recommend installi...

Страница 27: ...hen click Next Note If Select Software Installation is displayed select Change or re set the connection method and then click Next C Follow the on screen instructions Related Information EpsonNet SetupManager on page 60 Network Guide Function Settings 27 ...

Страница 28: ...ols and services to be used for communication between devices and computers and it enables and disables feature such as print A protocol or service that is applied to features allowed or prohibited separately Reducing security risks that may occur through unintended use by preventing users from using unnecessary functions SSL TLC communications The communication path of a computer and a printer is...

Страница 29: ... setting IPsec IP filtering it is recommended that you access Web Config using SSL TLS to communicate settings information in order to reduce security risks such as tampering or interception Configuring the Administrator Password When you set the administrator password users other than the administrators will not be able to change the settings for the system administration You can set and change t...

Страница 30: ...tion Information and then enter the administrator password Related Information Accessing Web Config on page 20 Controlling Protocols and Services You can print using a variety of pathways and protocols You can lower unintended security risks by restricting printing from specific pathways or by controlling the available functions Controlling Protocols Configure the protocol settings A Access Web Co...

Страница 31: ...u can print from the LPR port RAW Port9100 Settings You can specify whether or not to allow printing from the RAW port Port 9100 When this is enabled you can print from the RAW port Port 9100 RAW Custom Port Settings You can specify whether or not to allow printing from the RAW port Custom Port When this is enabled you can print from the RAW port Custom Port IPP Settings You can specify whether or...

Страница 32: ...me Location Displays the Bonjour location name Top Priority Protocol Select the top priority protocol for Bonjour print SLP Settings Enable SLP Select this to enable the SLP function This is used with the network searching in EpsonNet Config LLTD Settings Enable LLTD Select this to enable LLTD The printer is displayed in the Windows network map Device Name Displays the LLTD device name LLMNR Setti...

Страница 33: ...nable IPP communication Only printers that support IPP are displayed Allow Non secure Communication Select to allow the printer to communicate without any security measures IPP Communication Timeout sec Enter the timeout value for IPP printing between 0 to 3 600 seconds URL Network Displays IPP URLs http and https when the printer is connected by wired LAN The URL is a combined value of the printe...

Страница 34: ... 30 Protocols you can Enable or Disable on page 31 SSL TLS Communication with the Printer When the server certificate is set using SSL TLS Secure Sockets Layer Transport Layer Security communication to the printer you can encrypt the communication path between computers Do this if you want to prevent remote and unauthorized access About Digital Certification Certificate signed by a CA A certificat...

Страница 35: ... opened C Enter a value for each item Note Available key length and abbreviations vary by a certificate authority Create a request according to rules of each certificate authority D Click OK A completion message is displayed E Select Network Security Settings Next select SSL TLS Certificate F Click one of the download buttons of CSR according to a specified format by each certificate authority to ...

Страница 36: ...ity State Province You can enter between 0 and 64 characters in ASCII 0x20 0x7E You can divide distinguished names with commas Country Enter a country code in two digit number specified by ISO 3166 Related Information Obtaining a CA signed Certificate on page 35 Importing a CA signed Certificate cImportant Make sure that the printer s date and time is set correctly If you obtain a certificate usin...

Страница 37: ...er Private Key You need to set Password Do not configure CA Certificate 1 CA Certificate 2 Optional A certificate of the PKCS 12 format obtained from a computer Private Key Do not configure Password Optional CA Certificate 1 CA Certificate 2 Do not configure D Click OK A completion message is displayed Note Click Confirm to verify the certificate information Related Information Accessing Web Confi...

Страница 38: ...ate when the certificate has expired or when an encrypted connection is no longer necessary cImportant If you obtain a certificate using a CSR created from Web Config you cannot import a deleted certificate again In this case create a CSR and obtain a certificate again A Access Web Config and then select Network Security Settings Next select SSL TLS Certificate B Click Delete C Confirm that you wa...

Страница 39: ... is updated 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 an...

Страница 40: ...ated in the order of a group policy 1 to 10 then a default policy Note Computers that run Windows Vista or later or Windows Server 2008 or later support IPsec Configuring Default Policy A Access Web Config and select Network Security Settings IPsec IP Filtering Basic B Enter a value for each item C Click Next A confirmation message is displayed D Click OK The printer is updated Related Information...

Страница 41: ...ter on the same LAN select this IP packets of layer 4 or later are encrypted Tunnel Mode If you use the printer on the Internet capable network such as IPsec VPN select this option The header and data of the IP packets are encrypted Remote Gateway Tunnel Mode If you select Tunnel Mode for Encapsulation enter a gateway address between 1 and 39 characters Security Protocol If you select IPsec for Ac...

Страница 42: ...rinter is updated Related Information Accessing Web Config on page 20 Group Policy Setting Items on page 42 Group Policy Setting Items Items Settings and Explanation Enable this Group Policy You can enable or disable a group policy Network Guide Security Settings 42 ...

Страница 43: ...ect Port Number for Method of Choosing Port you need to configure an encapsulation mode Any Protocol Select this to control all protocol types TCP Select this to control data for unicast UDP Select this to control data for broadcast and multicast ICMPv4 Select this to control ping command Local Port If you select Port Number for Method of Choosing Port and if you select TCP or UDP for Transport Pr...

Страница 44: ...tication and data Even if encrypting data is prohibited you can use IPsec Related Information Configuring Group Policy on page 41 Combination of Local Address Printer and Remote Address Host on Group Policy on page 44 References of Service Name on Group Policy on page 44 Combination of Local Address Printer and Remote Address Host on Group Policy Setting of Local Address Printer IPv4 IPv6 2 Any ad...

Страница 45: ... Any port Forwarding RAW data IPP IPPS TCP 631 Any port Forwarding AirPrint data IPP IPPS printing WSD TCP Any port 5357 Controlling WSD WS Discovery UDP 3702 Any port Searching for a printer from WSD Network Scan TCP 1865 Any port Forwarding scan data from Document Capture Pro Network Push Scan TCP Any port 2968 Acquiring job information of push scanning from Document Capture Pro Network Push Sca...

Страница 46: ...HTTP S server forwarding data of Web Config and WSD HTTPS Local TCP 443 Any port HTTP Remote TCP Any port 80 HTTP S client communicating between Epson Connect or Google Cloud Print firmware updating and root certificate updating HTTPS Remote TCP Any port 443 Configuration Examples of IPsec IP Filtering Receiving IPsec packets only This example is to configure a default policy only Default Policy I...

Страница 47: ...his Group Policy Check the box Access Control Permit Access Remote Address Host IP address of an administrator s client Note Regardless of policy configuration the client will be able to access and configure the printer Using SNMPv3 Protocol About SNMPv3 SNMPisaprotocolthatcarriesoutmonitoringandcontroltocollecttheinformationofthedevicesthatareconnected to the network SNMPv3 is the management secu...

Страница 48: ...Access Web Config and select Services Protocol B Enter a value for each item of SNMPv3 Settings C Click Next A confirmation message is displayed D Click OK The printer is updated Related Information Accessing Web Config on page 20 SNMPv3 Setting Items on page 48 SNMPv3 Setting Items Network Guide Security Settings 48 ...

Страница 49: ...and 32 characters in ASCII 0x20 0x7E Confirm Password Enter the password you configured for confirmation Encryption Settings Algorithm Select an algorithm for an encryption Password Enter between 8 and 32 characters in ASCII 0x20 0x7E Confirm Password Enter the password you configured for confirmation Context Name Enter between 1 and 32 characters using 1 byte characters Related Information Config...

Страница 50: ...check detailed network information A Load paper B Hold down the Status sheet button for about three seconds The network status sheets are printed Initializing the Network Settings Restoring the Network Settings from the Printer You can restore network settings to their defaults A Turn off the printer B Hold down the Status sheet button while turning on the printer Restoring the Network Settings us...

Страница 51: ...lay the computer s command prompt screen Windows 10 Right click the start button or press and hold it and then select Command Prompt Windows 8 1 Windows 8 Windows Server 2012 R2 Windows Server 2012 Display the application screen and then select Command Prompt Windows 7 Windows Server 2008 R2 Windows Vista Windows Server 2008 or earlier Click the start button select All Programs or Programs Accesso...

Страница 52: ...in If the message appears before its expiration date make sure that the printer s date is configured correctly The message The name of the security certificate does not match appears when accessing Web Config using SSL communication https The printer s IP address entered for Common Name for creating a self signed certificate or CSR does not match with the address entered into the browser Obtain an...

Страница 53: ...se restore the security settings in order to make settings for the device again or to allow you temporary use Disabling the Security Function from the Printer You can disable IPsec IP Filtering from the printer A Make sure paper is loaded B Press the Menu Pitch and Tear Off Bin buttons until the printer beep once and the Menu lights both the Tear Off Bin lights turn on The printer enters the defau...

Страница 54: ...fig and select Network Security Settings IPsec IP Filtering Basic B Select Disable for IPsec IP Filtering in Default Policy C Click Next and then clear Enable this Group Policy for all group policies D Click OK Related Information Accessing Web Config on page 20 Problems Using Network Security Features Forgot a Pre shared Key Configure the key again using Web Config To change the key access Web Co...

Страница 55: ...ddress invalid or has it changed Disable IPsec using the printer s control panel If the DHCP is out of date rebooting or the IPv6 address is out of date or has not been obtained then the IP address registered for the printer s Web Config Network Security Settings IPsec IP Filtering Basic Group Policy Remote Address Host may not be found Use a static IP address Related Information Accessing Web Con...

Страница 56: ...ter sending the CSR to a certificate authority Obtain the CA signed certificate again with the CSR Is the CA signed certificate more than 5KB You cannot import a CA signed certificate that is more than 5KB Is the password for importing the certificate correct If you forget the password you cannot import the certificate Related Information Importing a CA signed Certificate on page 36 Cannot Update ...

Страница 57: ...te Appears Messages Cause What to do Enter a Server Certificate Cause You have not selected a file to import What to do Select a file and click Import CA Certificate 1 is not entered Cause CA certificate 1 is not entered and only CA certificate 2 is entered What to do Import CA certificate 1 first Invalid value below Cause Unsupported characters are contained in the file path and or password What ...

Страница 58: ...fthe certificate is valid or check the date and time on your printer Cause The certificate is out of date What to do If the certificate is out of date obtain and import the new certificate If the certificate is not out of date make sure the printer s date and time are set correctly Private key is required Cause There is no paired private key with the certificate What to do If the certificate is th...

Страница 59: ...icate If you have the backup file import the certificate again IfyouobtainacertificateusingaCSRcreatedfromWebConfig youcannotimportadeletedcertificateagain Createa CSR and obtain a new certificate Related Information Deleting a CA signed Certificate on page 38 Importing a CA signed Certificate on page 36 Network Guide Solving Problems 59 ...

Страница 60: ...rograms EPSON Epson Device Admin Epson Device Admin Note If the firewall alert appears allow access for Epson Device Admin EpsonNet Print EpsonNet Print is a software to print on the TCP IP network There are features and restrictions listed below The printer s status is displayed on the spooler screen If the printer s IP address is changed by DHCP the printer is still detected You can use a printe...

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