I've been following these steps with an Amada LC 2415 fanuc 160i-L controller running the O8001 focus check with a 7.5"lens and i'm unable to get penetration through the material. any thoughts? http://files.engineering.com/getfile.aspx?folder=d1ff4020-5bcc-47a6-a340-644180139b31&file=try_2.jpg