Ricoh FT7770 Service Manual page 432

30 April, '89
7. Remove the upper distribution unit [A] (4 screws).
8. Remove the lower distribution unit (7 screws and 2 connectors).
9. Check/adjust the transport roller drive belt tension.
7.0 ± 1.0 mm deflection at 200 g (upper)
6.0 ± 1.0 mm deflection at 200 g (lower)
9-28