How to print on paper graph?

[danuthorincas]

nomainwin

open "test" for graphics_nsb_nf as #gr

#gr "trapclose [quit]"

#gr "down"

pi=acs(-1)



for X=0-pi to pi step 0.01

Y=sin(X)

#gr "set ";(X+3.14)*50;" ";300-(Y+1)*150

next

wait



[quit]

close #gr

end

[tsh73]

#gr "flush"
 #gr "print xga"

after drawing but before WAIT