Roland GR-640 User Manual page 63

Remove the material by moving it through the rear
of the machine.
To Remove Only the Cut Area
Procedure
Press [ ] and [ ] to feed the material to the
location that you want to cut.
The material is cut off at the position shown in the figure.
Hold down [SHEET CUT] for one second or longer.
The cutting carriage moves to the left edge and then to the right edge in
order to cut the material.
*: Groove along which the separating knife
passes