Chapter 3 – Printer Operation  21 
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The Windows driver is located on the Accessories CD-ROM included with your printer. For the latest version 
please visit our web site at http://www.datamax-oneil.com 
 
 
 
Be sure your printer’s firmware version is 9.04 or greater. Firmware is available from our website, 
for the latest version please visit our web site at http://www.datamax-oneil.com 
 
 
Be sure your printer’s USB Mode is set to “Printer”.  This mode can be viewed/changed via the 
printer’s front panel menu under: Communications> USB Port> USB Device Class. 
 
 
 
 
Installing the Windows Driver: 
 
1) Place the Accessories CD-ROM included with your 
printer into your computers CD-ROM drive. 
 
2) Once the CD-ROM starts select your printer model then 
“Install Driver” from the menu and follow the 
instructions on the screen to install. 
 
 
 
 
 
 
 
 
3) When prompted, select your printer from the list, (i.e. 
Datamax-O’Neil E-4xxx Mark III).  Continue to follow 
the on-screen instructions to install the driver.