59.02907 a dot matrix ink
26.74025 the separ print head
31.67502 the pinch roller assembli
69.732574 the paper transport system
48.751675 the paper
1.222884 the doubl side printer
63.241196 tension roller assembli
44.230625 simultan print on both side of
90.191765 secur a sheet of paper
20.014719 rigid plane with both side of 
60.26373 rigid plane between the set of 
3.034975 print head carriag assembli
13.576582 pick up pinch roller assembli
99.46791 mirror imag relationship
62.917767 electron printer control circu
46.989044 either side of the paper plane
78.96341 bubble jet type desktop printer
98.06806 both side of a sheet of paper
34.278362 back page printer inform
22.182049 a print head
10.653836 a platen less paper transport 
24.310432 a person comput by an rs-232 s
