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Lexmark MS321

Lexmark MS321

How to Create a Peer to Peer Network Connection with Standard Ethernet Cable

Affected Products:

All Lexmark Products Released Up to 2020 with at least a 2-line control panel and an Ethernet port


  • This article provides a service technician or user a very useful way to create a peer to peer network using only a single Ethernet cable to access a printer’s embedded web server (EWS).

  • This will allow the user to make changes or to flash the printer with code.

  • This may also be useful in cases where a customer’s security policy may not allow 3rd parties on their network.


IMPORTANT! Before you begin, make sure that you have an Ethernet cable and a laptop with at least Windows 7 for the operating system (OS).


Connect the printer to the laptop using an Ethernet cable.

Perform a power-on-reset (POR) on the printer if it was previously connected to a wired network.


Perform any of the following procedures to acquire the IP address and Subnet mask.

  • Print the printer’s Network Setup Page report

  • View the IP address and subnet mask from the printers Network Setup Menu

  • Ask the user for the IP address and Subnet mask.

Write down the IP address (i.e., and Subnet mask (most common subnet mask is


If the IP address cannot be known, change the IP address through the Network Setup Menu to with a Subnet mask of

Change this back to all 0’s when the flash is completed to renewable DHCP. If the customer uses a static IP make note of it to reset the IP Address after the flash process is complete.

Customer Printer IP Address: __ __ __.__ __ __.__ __ __.__ __ __ Subnet Mask: __ __ __.__ __ __.__ __ __.__ __ __


On the user's personal computer (PC), click

Control Panel > Network and Sharing Center > Change Adapter Settings


Right-click on Local Area Connection, and select Properties.


Double-click on Internet Protocol Version 4 (TCP/IPv4).


Select Use the following IP address, and enter an IP address identical to the one from the printer except increase the last set of digits by 1 (i.e.,

increased by 1 =

), and same Subnet mask as the device (i.e.,

), then leave Default gateway blank.


Type the user printer IP address into the address bar of your browser to access the printer’s embedded web server (EWS).


Use the printer's actual IP address and not the IP address that was increased by 1.

Still Need Help?

If you need additional assistance, please close this browser tab or go to the

Lexmark support site

, type your printer model and locate

Get in Touch with Lexmark! for contact information.
When calling for support, you will need the following:

  • Affected printer model/'s

  • Printer serial number

Please be near the product/s described in this article to expedite the support process and reduce callbacks.