Upper Frame Unit (Optical Frame Unit) - Sharp FO-3150 Service Manual

9. Upper frame unit (optical frame unit)

1 Remove three connectors.
2 Remove four screws, and remove fan bracket and right fan.
3 Remove three screws, and remove gear plate.
At that time, fusing clutch gears and fusing clutch spring are also
disassembled.
4 Remove motor idle gear.
5 Remove developer drive gear A and developer drive gear B.
6 Remove four screws.
6
1
1
Fusing clutch
lever
Fusing clutch
gear B
Fusing clutch spring
Fusing clutch gear A
2
6
Fig. 14
Developer drive
5
gear B
6
Developer drive
5
1
gear A
Motor idle gear
Gear plate
Drum idle gear
3
Right fan
2
Fan bracket
7 Remove the arm of upper frame unit from the lower frame boss.
8 Rotate upper frame unit in the direction of arrow (B) so that the arm
can be disassembled from the lower frame boss.
Note for assembly
•
When attaching the upper and the lower frames, be careful not to pinch
the cables.
Boss
4
Arm
7
Arm Boss
3 – 17
7
Arm
7
Arm
Upper frame unit
(B)
Arm
7
8
Fig. 15
FO-3150U/C
Boss