Ricoh FT7770 Service Manual page 361

30 April, '89
- Reassembly -
second pick-up roller drive gear [Al on the rear
1. Place the
insert the second pick-up roller [B] from the bottom.
gear [C].
2. Install the
one-turn disk [D]. Align the flat surface of the second pick-
up roller and the notch in the-one-turn disk
upwards. Next, secure the one-turn disk and the second pick-up roller
drive gear (1 pin each).
3.
Secure the front end of the second pick-up roller (1 bushing, 1 E-ring).
4.
Lift the rear of the feed-in unit, and open the pressure unit. Place the
first pick-up roller [F] through the entrance mylar pressure cam [G].
5.
Align the flat surface of the first pick-up roller and the lobe [H] of the
entrance mylar pressure cam.
cam (1 pin, 1 E-ring).
6.
Install the first pick-up roller drive gear and the cam,
7.
Confirm that the flat surface of the pick-up rollers [1] and the low
section of the cam [J] are facing upwards.
the first pick-up roller drive gear (1 pin each).
8.
Secure the front end of the first pick-up roller (1 bushing, 1 E-ring).
9.
Reassemble,
CAUTION: -When reinstalling the tensioner, ensure that the tensioner is above
-When securing the one-turn sensor, do not overtighten the screw.
the cam.
[ E ] , s o t h a t t h e y ' f a c e
Then, secure the entrance mylar pressure
Then, secure the cam and
7-42
plate, and
Install the idle