Scenario: Using POP3



QL320/802.11b WLAN Printer Setup Scenarios

Presented below are various configuration scenarios that can be used as an aid for configuring your network printer. Each scenario will detail the steps necessary to set up the wireless printer in a particular environment, along with methods to test the printer and steps for troubleshooting potential problems. If you have never configured a wireless network printer before, it is recommended that you start with scenario 1 - Simple Setup.

In order to configure the printer, you will need to have a printer serial cable (part number BL11757-000), along with a serial communications program (such as Windows HyperTerminal). Zebra Technologies also provides a utility called LabelVista that can greatly simplify the configuration process. LabelVista is a powerful Windows 9x, NT/2000, and XP compatible program that allows you to step through the configuration of the printer using setup “wizards”. LabelVista also provides a graphical interface for designing labels to be used by the printer. The LabelVista utility can be found on the Zebra Technologies web site at .

Scenario 1 - Simple Setup

This setup is designed to configure the printer for the most common printing methods encountered – specifically LPD and TCP sockets. LPD printing is used in most Unix environments and requires an LPD daemon to be running on the Unix server. TCP sockets printing is supported on most platforms, including Windows and Unix.

Before setting up the printer, you will need to know some information about your wireless network. If you are not familiar with this information, please contact your network administrator for assistance.

1) You will need to know whether your network supports DHCP. DHCP is a method used for automatically assigning an IP address to a network device.

2) If DHCP is not supported on your network or if you are not using DHCP, you will need to assign the IP address, network mask, and gateway address for your printer.

3) You will need the ESSID of the wireless network. The ESSID is the unique identifier for your wireless network.

4) You will need to know whether your wireless network is using encryption. In this simple scenario example, it is assumed that encryption is disabled on your Access Point/wireless network. If encryption is enabled on your wireless network, please refer to scenario 2 – WEP Encryption.

Again, if you are unfamiliar with the above parameters and settings, please contact your network administrator for this information before continuing.

Setup Procedure:

1) Generate a diagnostic 2-Key report to determine the printer’s baud rate.

a) Power off the printer

b) Hold down the feed key while powering the printer on

c) The printer should print out a diagnostics report.

2) Connect to the printer via the serial cable and a communications program (such as HyperTerminal). Ensure your communications software matches the baud-rate displayed in the diagnostic report generated in step #1 above. The baud rate is listed on the fifth line of the diagnostics report (from the top).

3) Reset the printer to the factory network defaults by typing the following two commands in the serial communication program window:

! U1 DO “device.restore_defaults” “wlan”

! U1 DO “device.restore_defaults” “ip”

4) Set the ESSID of the Printer to match your wireless network by issuing the following command:

! U1 SETVAR “wlan.essid” “my essid”

where “my essid” is the ESSID of your wireless network. Please note the values MUST be enclosed in double quotes. If you do not know what the ESSID of your network is, please contact your network administrator for assistance.

5) If your network uses DHCP, issue the following command to enable DHCP on the printer:

! U1 SETVAR “ip.dhcp.enable” “on”

If your network does not use DHCP, you will need to issue the following commands to disable DHCP and provide the proper IP settings:

! U1 SETVAR “ip.dhcp.enable” “off”

! U1 SETVAR “mask” “xxx.xxx.xxx.xxx”

! U1 SETVAR “ip.gateway” “xxx.xxx.xxx.xxx”

! U1 SETVAR “ip.addr” “xxx.xxx.xxx.xxx”

where “xxx.xxx.xxx.xxx” will be replaced with valid values for your network. If you are unsure what values to enter, please contact your network administrator for assistance.

6) Power cycle the printer.

Testing the configuration:

1) Print a 2-key diagnostic report and verify the following (under Wireless Communications):

a) “Associated ESSID”: Access Point’s ESSID

b) “IP address”: valid IP address

2) If the printer has an LCD display, verify the following:

a) Antenna icon in upper left indicates AP association.

b) ESSID: Access Point’s ESSID

c) IP: valid IP address

3) Ping the IP address of the printer and verify acknowledgement (from a DOS prompt on Windows platforms).

4) Print a test label via LabelVista. Test using TCP sockets (port 6101) and LPD.

Troubleshooting:

If you can not connect or print to the printer over the wireless network, first verify that your printer’s settings match the configuration of your wireless network:

1) Generate a 2-key report for your printer.

2) Confirm the ESSID is correct for your network. If you are unsure what ESSID to use, please contact your network administrator.

3) If the ESSID appears correct, confirm the printer is associated with the access point:

a) In the 2-key report under Wireless Communications, the printer should display “Associated ESSID:” when correctly associated with an Access Point.

b) If it instead displays the words “Not Associated.”, confirm the “Stored ESSID” is correct.

c) If the “Stored ESSID” appears correct for your network, but your printer is not associated, confirm the Access Point is within range of your printer and confirm the Access Point is currently functioning properly. While the range of Access Points vary from manufacturer to manufacturer and from office environment to office environment, in a typical indoor office environment the printer should be located within 100 feet of the Access Point. If you are unsure where your wireless Access Point is located, please contact your network administrator for assistance.

d) In the 2-Key diagnostics report, confirm the “Operating Mode: ” is set to Infrastructure and that “Encryption:” is OFF.

e) In the 2-Key diagnostics report, confirm that “Preamble Length:” is long or short. Ensure that the printer’s preamble length matches that of the wireless network.

f) If the printer is still not associated with the Access Point, confirm the message “Card Detected” is displayed in the PCMCIA/CF Adapter section of the 2-Key report. If the message “Card Not Detected” is printed, please contact technical support for assistance.

g) If the printer is still not associated with the Access Point, confirm that the printer application is up-to-date. The application version is listed on the 2-key report under Program: Software: xxxxxxx. Contact Zebra technical support for information on the latest application version.

4) If the printer is associated with the Access Point (as confirmed in step 3 above), but the printer still does not appear to function properly, confirm the IP address, network mask, and gateway are valid.

5) If the IP address is 0.0.0.0 and you configured the printer for using DHCP, it would appear your printer did not receive a proper address via DHCP. Confirm with your network administrator that your wireless network is using DHCP.

6) If your printer’s IP address, network mask, and gateway appear to be valid, attempt to ping your printer’s IP address by issuing the following command (from a DOS prompt on Windows platforms):

ping xxx.xxx.xxx.xxx

Where xxx.xxx.xxx.xxx is replaced with the ip address of your printer.

7) If the ping fails, double-check your printer’s IP address, network mask, and gateway to ensure they are correct for your network. If you are unsure, contact your network administrator for assistance.

8) If the ping succeeds, but you still cannot print to the printer, double-check the 2-key report to ensure both LPD and TCP are set to “ON” and that the “TCP/UDP Port:” is set to 6101.

Scenario 2 - WEP Encryption

This setup is designed to configure the printer for use in a wireless network that has Wired Equivalent Privacy (WEP) enabled.

Before setting up the printer, you will need to know some information about your wireless network. If you are not familiar with this information, please contact your network administrator for assistance.

1) You will need to know whether your network supports DHCP. DHCP is a method used for automatically assigning an IP address to a network device.

2) If DHCP is not supported on your network or if you are not using DHCP, you will need to assign the IP address, network mask, and gateway address for your printer.

3) You will need the ESSID of the wireless network. The ESSID is the unique identifier for your wireless network.

4) You will need to know whether your wireless network is using 40-bit or 128-bit shared-key WEP encryption. If WEP encryption is not enabled, refer to the Simple Setup scenario.

5) You will need to know the WEP key that your wireless network is using. If 40-bit encryption is enabled, the key is 10 hexadecimal (0-9, A-F) characters, otherwise, if 128-bit encryption is enabled, the key is 26 hexadecimal characters.

Again, if you are unfamiliar with the above parameters and settings, please contact your network administrator for this information before continuing.

Setup Procedure:

1) Generate a diagnostic 2-Key report to determine the printer’s baud rate.

a) Power off the printer

b) Hold down the feed key while powering the printer on

c) The printer should print out a diagnostics report.

2) Connect to the printer via the serial cable and a communications program (such as HyperTerminal). Ensure your communications software matches the baud-rate displayed in the diagnostic report generated in step #1 above. The baud rate is listed on the fifth line of the diagnostics report (from the top).

3) Reset the printer to the factory network defaults by typing the following two commands in the serial communication program window:

! U1 DO “device.restore_defaults” “wlan”

! U1 DO “device.restore_defaults” “ip”

4) Set the ESSID of the Printer to match your wireless network by issuing the following command:

! U1 SETVAR “wlan.essid” “my essid”

where “my essid” is the ESSID of your wireless network. Please note the values MUST be enclosed in double quotes. If you do not know what the ESSID of your network is, please contact your network administrator for assistance.

5) Set the encryption mode of the printer via the following command:

! U1 SETVAR “wlan.encryption_mode” “mode”

where mode is “40-bit” or “128-bit”, depending on your wireless network’s WEP encryption mode. Again, this scenario assumes your wireless network is using WEP encryption. If your network does not use WEP encryption, please refer to the Simple Setup scenario.

6) Set the encryption index of the printer via the following command:

! U1 SETVAR “wlan.encryption_index” “index”

where index is 1, 2, 3, or 4 depending on which key index is being used. The index must match the wireless network’s WEP key index setting.

7) Set the encryption key of the printer via the following command:

! U1 SETVAR “wlan.encryption_keyN” “xxxxxxxxxx”

where the N is 1, 2, 3, or 4 depending on which index is being used, and the encryption key is 10 or 26 hexadecimal (0-9, A-F) characters depending on whether 40-bit or 128-bit encryption is enabled. The key must match your wireless network’s WEP encryption key.

8) Set the authentication type of the printer via the following command:

! U1 SETVAR “wlan.auth_type” “type”

where type is “open” or “shared” depending on whether your wireless network is using Open System or Shared Key authentication. The authentication type must match your wireless network’s authentication type setting.

9) If your network uses DHCP, issue the following command to enable DHCP supported on the printer:

! U1 SETVAR “ip.dhcp.enable” “on”

If your network does not use DHCP, you will need to issue the following commands to disable DHCP and provide the proper IP settings:

! U1 SETVAR “ip.dhcp.enable” “off”

! U1 SETVAR “mask” “xxx.xxx.xxx.xxx”

! U1 SETVAR “ip.gateway” “xxx.xxx.xxx.xxx”

! U1 SETVAR “ip.addr” “xxx.xxx.xxx.xxx”

where “xxx.xxx.xxx.xxx” will be replaced with valid values for your network. If you are unsure what values to enter, please contact your network administrator for assistance.

Testing the configuration:

1) Print a 2-key diagnostic report and verify the following (under Wireless Communications):

a) “Associated ESSID”: Access Point’s ESSID

b) “IP address”: valid IP address

2) If the printer has an LCD display, verify the following:

a) Antenna icon in upper left indicates AP association.

b) ESSID: Access Point’s ESSID

c) IP: valid IP address

3) Ping the IP address of the printer and verify acknowledgement (from a DOS prompt on Windows platforms).

4) Print a test label via LabelVista. Test using TCP sockets (port 6101) and LPD.

Troubleshooting:

If you can not connect or print to the printer over the wireless network, first verify that your printer’s settings match the configuration of your wireless network:

1) Generate a 2-key report for your printer.

2) Confirm the ESSID is correct for your network. If you are unsure what ESSID to use, please contact your network administrator.

3) If the ESSID appears correct, confirm the printer is associated with the access point:

a) In the 2-key report, the printer should display the “Associated ESSID”. When it displays “Associated ESSID”, the printer is correctly associated with an Access point.

b) If it instead displays the words “Not Associated”, confirm the “Stored ESSID” is correct.

c) If the “Stored SSID” appears correct for your network, but your printer is not associated, confirm the Access Point is within range of your printer and confirm the Access Point is currently functioning properly. While the range of Access Points vary from manufacturer to manufacturer and from office environment to office environment, in a typical indoor office environment the printer should be located within 100 feet of the Access Point. If you are unsure where your wireless Access Point is located, please contact your network administrator for assistance.

d) In the 2-Key diagnostics report, confirm the “Operating Mode:” is set to infrastructure.

e) In the 2-Key diagnostics report, confirm that “Encryption:” is 40-bit or 128-bit. Ensure that the printer’s encryption mode matches that of the wireless network.

f) In the 2-Key diagnostics report, confirm that “Authentication:” is open system or shared key. Ensure that the printer’s authentication type matches that of the wireless network.

g) In the 2-Key diagnostics report, confirm that “Preamble Length:” is long or short. Ensure that the printer’s preamble length matches that of the wireless network.

h) If the printer is still not associated with the Access Point, confirm the message “Card Detected” is displayed in the PCMCIA/CF Adapter section of the 2-Key report. If the message “Card Not Detected” is printed, please contact technical support for assistance.

i) If the printer is still not associated with the Access Point, confirm that the printer application is up-to-date. The application version is listed on the 2-key report under Program: Software: xxxxxxx. Contact Zebra technical support for information on the latest application version.

4) If the printer is associated with the Access Point (as confirmed in step 3 above), but the printer still does not appear to function properly, confirm the IP address, network mask, and gateway are valid.

5) If the IP address is 0.0.0.0 and you configured the printer for using DHCP, it would appear your printer did not receive a proper address via DHCP. Confirm with your network administrator that your wireless network is using DHCP.

6) If your printer’s IP address, network mask, and gateway appear to be valid, attempt to ping your printer’s IP address by issuing the following command (from a DOS prompt on Windows platforms):

ping xxx.xxx.xxx.xxx

Where xxx.xxx.xxx.xxx is replaced with the ip address of your printer.

7) If the ping fails, double-check your printer’s IP address, network mask, and gateway to ensure they are correct for your network. If you are unsure, contact your network administrator for assistance.

8) If the ping succeeds, but you still cannot print to the printer, double-check the 2-key report to ensure both LPD and TCP are set to “ON” and that the “TCP/UDP Port:” is set to 6101.

Scenario 3 - POP3 Email Printing

The QL 320 printer is capable of connecting to a POP3 mailbox. With POP3 enabled, the printer can be configured to print out any mail messages in a designated POP3 mailbox account, along with saving to its file system any email file attachments.

This scenario assumes you already have your printer properly configured to operate on your wireless network. If you have not yet configured your printer for basic wireless operation, please refer to Scenario 1, Simple Setup.

To enable POP3 support on your printer, you will need access to a POP3 server on your network. You will need to have a dedicated POP3 mailbox created specifically for the printer. If you are not familiar with creating POP3 accounts, please contact your network administrator for assistance. Because the printer deletes the email messages after it processes them, it is highly recommended that you do use an email specifically set aside for the printer and is not shared for any other use. For example, you should not use your own personal POP3 account.

To successfully configure the printer for POP3 support, you will need the following information:

1) The IP address of the POP3 server

2) The username of the POP3 account

3) The password of the POP3 account

4) You will also need to decide how frequently you want the printer to check for new email. This is called the poll frequency.

If you are unfamiliar with any of the above parameters and settings, please contact your network administrator for assistance.

Setup Procedure:

1) Verify the printer has already been configured for wireless operation. If it has not, please first refer to Scenario 1 – Simple Setup, above.

2) Set the POP3 server IP address on the printer by issuing the following command via the serial port:

! U1 SETVAR “ip.pop3.server_addr” “xxx.xxx.xxx.xxx”

where “xxx.xxx.xxx.xxx” is the IP address of the POP3 server.

3) Set the POP3 username via the command:

! U1 SETVAR “ip.pop3.username” “my username”

where “my username” is the POP3 account name

4) Set the POP3 account password via the command:

! U1 SETVAR “ip.pop3.password” “my password”

where “my password” is the password for the POP3 account

5) Set the poll frequency of the printer. The determines how often the printer will check for new email. It is recommended that you choose a value greater than 10 seconds, otherwise the printer may be unresponsive to other activity. Set the poll frequency using the following command:

! U1 SETVAR “ip.pop3.poll” “xxx”

where “xxx” is the desired time in seconds for how often the printer should check for new email.

6) Enable POP3 via the command:

! U1 SETVAR “ip.pop3.enable” “on”

7) If you want the printer to display the headers of the email messages when they are printed, issue the following command:

! U1 SETVAR “ip.pop3.print_headers” “on”

Testing the POP3 configuration:

1) Print a 2-key report and verify the following:

a) POP3: ON

2) From your PC, send an email to the POP3 mail account that the printer is monitoring.

3) Turn the printer off and then back on.

4) Within 10 seconds, the printer should print out the email message you just sent.

Troubleshooting:

1) If the printer does not print out any email messages, verify the POP3 settings. Issue the following commands to query the POP3 settings:

! U1 GETVAR “ip.pop3.enable” (should be ON)

! U1 GETVAR “ip.pop3.server_addr” (should display the IP address of the POP3 server)

! U1 GETVAR “ip.pop3.print_body” (should be ON)

! U1 GETVAR “ip.pop3.username” (should match the correct username)

! U1 GETVAR “ip.pop3.password” (should be the correct password)

2) If the printer prints incoming email properly, but is unresponsive to other tasks, issue the following command to verify the POP3 poll interval:

! U1 GETVAR “ip.pop3.poll” (should be the proper poll interval, not less than 10)

If the poll interval is too short, change it to a longer value.

Scenario 4 – Ad Hoc Mode

This setup is designed to configure the printer for ad hoc mode – a point-to-point wireless network. No access points are used in an ad hoc network setup.

Before setting up the printer, you will need to know some information about your wireless network. If you are not familiar with this information, please contact your network administrator for assistance.

1) You will need to know whether there is a server in your network which supports DHCP. DHCP is a method used for automatically assigning an IP address to a network device.

2) If DHCP is not supported on your network or if you are not using DHCP, you will need to assign the IP address and network mask for your printer.

3) You will need the ESSID of the ad hoc wireless network. The ESSID is the unique identifier for your wireless network.

4) You will need to know whether your wireless network is using encryption. In this ad hoc scenario example, it is assumed that encryption is disabled on your wireless network. If encryption is enabled on your wireless network, please refer to the Encryption Setup scenario.

Again, if you are unfamiliar with the above parameters and settings, please contact your network administrator for this information before continuing.

Setup Procedure:

1) Generate a diagnostic 2-Key report to determine the printer’s baud rate.

a) Power off the printer

b) Hold down the feed key while powering the printer on

c) The printer should print out a diagnostics report.

2) Connect to the printer via the serial cable and a communications program (such as HyperTerminal). Ensure your communications software matches the baud-rate displayed in the diagnostic report generated in step #1 above. The baud rate is listed on the fifth line of the diagnostics report (from the top).

3) Reset the printer to the factory network defaults by typing the following two commands in the serial communication program window:

! U1 DO “device.restore_defaults” “wlan”

! U1 DO “device.restore_defaults” “ip”

4) Set the ESSID of the Printer to match your wireless network by issuing the following command:

! U1 SETVAR “wlan.essid” “my essid”

where “my essid” is the ESSID of your wireless network. Please note the values MUST be enclosed in double quotes. If you do not know what the ESSID of your network is, please contact your network administrator for assistance.

5) Set the printer’s operating mode to ad hoc by issuing the following command:

! U1 SETVAR “wlan.operating_mode” “ad hoc”

Ad hoc mode is a wireless networking method in which one or more units associate with each other in a point-to-point configuration. If you are using an Access Point with your wireless network, then you need to follow the instructions for the Simple Setup (Infrastructure) scenario. If you are not sure what your wireless network uses, please contact your network administrator for assistance.

6) Set the encryption mode of the printer to off via the following command:

! U1 SETVAR “wlan.encryption_mode” “off”

Again, this simple scenario assumes your wireless network is NOT using encryption. If your network does use encryption, please refer to the Encryption Setup scenario.

7) If a unit in your ad hoc network is acting as a DHCP server, issue the following command to enable DHCP supported on the printer:

! U1 SETVAR “ip.dhcp.enable” “on”

If your network does not use DHCP, you will need to issue the following commands to disable DHCP and provide the proper IP settings:

! U1 SETVAR “ip.dhcp.enable” “off”

! U1 SETVAR “mask” “xxx.xxx.xxx.xxx”

! U1 SETVAR “ip.addr” “xxx.xxx.xxx.xxx”

where “xxx.xxx.xxx.xxx” will be replaced with valid values for your network. If you are unsure what values to enter, please contact your network administrator for assistance.

Testing the configuration:

1) Print a 2-key diagnostic report and verify the following (under Wireless Communications):

a) “Stored ESSID”: Ad hoc network’s ESSID

b) “IP address”: valid IP address

2) If the printer has an LCD display, verify the following:

a) Antenna icon in upper left indicates ad hoc association.

b) ESSID: Ad hoc network’s ESSID

c) IP: valid IP address

3) Ping the IP address of the printer and verify acknowledgement (if available on ad hoc peer device, e.g. Pocket PC WLAN configuration utility or command prompt).

4) Print a test label via ZebraCEPrint using TCP/IP port 6101 (if available on ad hoc peer device).

Troubleshooting:

If you can not connect or print to the printer over the wireless network, first verify that your printer’s settings match the configuration of your wireless network:

1) Generate a 2-key report for your printer.

2) Confirm the ESSID is correct for your ad hoc network. If you are unsure what ESSID to use, please contact your network administrator.

3) If the ESSID appears correct, confirm the printer is associated with another device in your ad hoc network:

a) If the “Stored SSID” appears correct for your network, but your printer is not associated, confirm the network device(s) is within range of your printer and confirm the other device(s) is currently functioning properly.

b) In the 2-Key diagnostics report, confirm the “Operating Mode: ” is set to ad hoc and that “Encryption:” is off.

c) If the printer still is not associated with the other device(s), confirm the message “Card Detected” is displayed in the PCMCIA/CF Adapter section of the 2-Key report. If the message “Card Not Detected” is printed, please contact technical support for assistance.

d) If the printer is still not associated with the Access Point, confirm that the printer application is up-to-date. The application version is listed on the 2-key report under Program: Software: xxxxxxx. Contact Zebra technical support for information on the latest application version.

4) If the printer is associated with the ad hoc network (as confirmed in step 3 above), but the printer still does not appear to function properly, confirm the IP address and network mask are valid.

5) If the IP address is 0.0.0.0 and you configured the printer for using DHCP, it would appear your printer did not receive a proper address via DHCP. Confirm with your network administrator that your wireless network is using DHCP.

6) If your printer’s IP address and network mask appear to be valid, attempt to ping your printer’s IP address by issuing the following command (from a DOS prompt on Windows platforms, or from a WLAN configuration utility or command prompt on Pocket PC/Palm platforms):

ping xxx.xxx.xxx.xxx

Where xxx.xxx.xxx.xxx is replaced with the ip address of your printer.

7) If the ping fails, double-check your printer’s IP address and network mask to ensure they are correct for your network. If you are unsure, contact your network administrator for assistance.

8) If the ping succeeds, but you still cannot print to the printer, double-check the 2-key report to ensure both LPD and TCP are set to “ON” and that the “TCP/UDP Port:” is set to 6101.

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