Ricoh FT7770 Service Manual page 224

19. Route the long end of the scanner drive wire [A] over the pulleys in
the following order.
Upper track clockwise.
(1)
Lower track clockwise.
(2)
Inner track counterclockwise.
(3)
Clockwise.
(4)
Skip the tension pulley.
(5)
Clockwise.
(6)
Outer track clockwise.
(7)
Lower track clockwise.
(8)
Upper track clockwise.
(9)
(Front mirror shift pulley.)
(2nd scanner drive pulley.)
5-11
(2nd scanner drive pulley.)
30
April, '89