Summary: The Net16 (mL170) and Net32 (mL21, mL28, mL320, mL401, LN21, LN28, LNM40) network interface card uses flash memory and can be upgraded with EZWebCon.

The Net16 and Net32 runtime code is different. Do not attempt to flash Net32 code into the Net16 or vice versa.

There are three versions of the Net32. The Net 32 EA option card is 10/100BaseT, the Net32 CX option card is 10/100BaseT and 10Base2. The Net32i (integrated onto the mL450, LN45, mL280+ and LN28+ controllers) is 10/100BaseT. All versions use the same flash code.

Read this document entirely before beginning the upgrade.

This upgrade may not work across multiple network segments.

• Download and install EZWebCon.
• Download and unzip the flash code for the Net16 or Net32. This will be a .SYS file.
• Start EZWebCon.
• Enter the IP address of the printer and select Manage.

  

If EZWebCon does not connect to the Net16/32, ping the NIC- if this fails:

• Verify the printer's IP Address, Subnet Mask and Default Router.
• Ensure the printer and the PC (where EZWebCon is running) are on the same subnet.
• Check the network cabling.

• Scroll down the list and select Download New Firmware to Server.

  

• The Reload Firmware Wizard Opens- the current firmware version is shown. Select Next.
  

• Leave the selection on EZWebCon and select Next.

  

• Select Browse Local. Browse to and select the .SYS flash file.

  

• EZWebCon will initiate the firmware reload.

  

• Once the NIC accepts the reload, the firmware download will begin.

  

Once the upgrade begins, do not interrupt the process by shutting down EZWebCon or turning off the printer. Doing so will corrupt the operating code and render the NIC inoperative (the network settings will no longer show in the printer menu).

If the upgrade fails at this point, the progress bar will hang at 0% and the printer will eventually print a error page.

The protocols used in the upgrade were not able to be routed between the PC and the printer.

• Use a PC on the same network segment, where the PC and the printer are connected to the same hub or switch.
• Use a PC connected directly to the printer with a mini-hub or a crossover cable.

• After the download completes the NIC will reboot, then EZWebCon will reconnect to the NIC. This will take a few minutes.

  

• After reconnecting, the new firmware version will be shown.

  

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