Checking the latest Lexmark printer firmware | Lexmark XC4140
https://infoserve.lexmark.com/ids/ifc/ids_topic.aspx?root=kb20211110015600960&topic=HO550&productCode=Lexmark_XC4140&loc=en_XM
WEBGo to Lexmark.com. Click on Customer Support, then select Downloads & Drivers. Input you Device Model, then click Find Drivers & Downloads. The first result from the list will show the latest firmware version. How to identify the printer firmware version. To identify your current firmware code, try either of the following options: Option 1 ...
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