There was a download of Lexmark 7500 Series 10.5 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software lies within System Utilities, more precisely Device Assistants.
The most popular versions of the tool are 10.5, 1.0 and 0.1. The program's installer files are generally known as app4r.exe, instgui.exe, lxbavb.exe, lxbkvb.exe or LXDLFax.exe etc. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is Lexmark International, Inc.
From the developer:
This package supports the following driver models:Lexmark 7500 Series
You may want to check out more software, such as EOS Utility, Right PDF printer or iPHUC for Windows, which might be related to Lexmark 7500 Series.
Device Assistants
IDE