% 
:0001(TP 0001) 
G40 G91 G94 M03
S250
G01 X-4.0 f100
S500
Z-6.0
S750
X4.0
M00 (Verify Opt. Stop works)
G94 F.025 (change to IPM)
S1000
Z6.0
S500 
G01 X-4.0 Z-6.0
S250
G00 X4
G01 X-4.0 Z6.0
S1
G00 X4.00
M30 (Program End - Reset) 
%