Epson PowerLite 4100 Operator's Manual page 345

Metallic fasteners must not be used.
Crimp fasteners
(Double, 4-tail)
Sprocket Holes and Perforations. Sprocket hole and perforation
specifications for multipart forms are as follows:
The sprocket holes should be clearly and cleanly cut.
Forms should be fanfolded at every horizontal perforated line.
Both edges of each perforation should not be torn.
Intersection of the horizontal and vertical perforations should
not be cut.
Operator's Guide A-17
"
2 inches
max.
!