These drivers are not Microsoft WHQL compliant, and the Add Printer setup procedure will display a message concerning this. Please ignore the message and select ?Yes? to successfully finish the installation. See Release Notes PDF file for Installation instructions.
Caution: If you are getting "Setstring_REG_INFO Failed" error with the previously installed driver, it is important to follow the instructions for 'Deleting Existing Driver Files' in the Release Notes PDF before installing new driver. Release Note PDF file is included in the EX12_1-8BIIH.zip file.