Question : Problem: Unable to scan - HP LJ 4345

Unable to scan document using HP's Digital Sending software.  Transcript/error code 86/487425 (OX77001).  Please help!

Answer : Problem: Unable to scan - HP LJ 4345

if its over the LAN  (ethernet)
then check firewalls on PC
drivers from:

http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=18972&prodSeriesId=415204&taskId=135