Oki B4500 Maintenance Manual page 152

3.3.2 TQSB-2 PCB
(1) Remove the pulse motor (see 3.3.1).
Remove the connectors Q, R from the GRT PCB P.
(2)
Remove the screw S and remove the GRT PCB P.
(3)
Note : Refer to Detall A in the previous page.
3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear
(1) Follow up to step (3) of 3.3.1 and remove the hopping frame assy.
Remove the screw 1 and remove the earth plate 2. Remove the sensor lever (T) 7 and remove
(2)
the transion spring D and remove the ground plate 6. Remove the gear 3 and remove the metal
bush 5 and hopping roller shaft assy 4.
Remove the E-ring A and remove the one-way clutch gear B on the right side of the feed roller
(3)
0.
Note : The metal bush C also comes off. Be careful not to lose it.
4
1
2
The tension lever and the sensor lever need concurrent replacing.
43502101TH Rev.1
6
9
8
Oki Data CONFIDENTIAL
5
3
D
0
Shaft
A
B
C
7
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