XE-A213 (serv.man2). XE-A203 213 Windows 7 PC-Link software installation guide. - Sharp ECR Service Manual (repair manual). Page 4

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7. Make sure the information on the screen is all right, and click [Install]. 
  The installation starts. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8. A Windows Security window appears. Click on "Install this driver software anyway". 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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