Sharp Z-87 Service Manual page 38

2. Power unit removal
(1) Open the front cabinet.
(2) Push the open button, and lift upper frame unit 1.
(3) Remove the rear cabinet. (Refer to [10]-1, Cabinet removal.)
(4) Disconnect two connectors 2 from upper frame unit 1. (Refer
to Fig. 3)
(5) Remove four screws in torsion bar sections.
(6) Seperate upper frame unit 1 from lower frame unit 3.
(7) Remove transfer corona unit . (Refer to [10]-3, Transfer corona
removal.)
(8) Remove three connectors 4 from the paper feed solenoid and
the fusing section. (Refer to Fig. 1)
4
1
Upper
frame
unit
3 Lower frame unit
(Fig. 1)
The upper frame unit can be removed. The upper frame unit can be
placed on a level surface because the lower portions of the left
cabinet and the torsion bars provide enough space to protect the
drum.
Upper frame unit
2
(Fig. 2)
Connectors
2
Connector
(9) Remove the tapping screws which are fixing the power unit to
lower cabinet 9.
Remove tap tight screws which are fixing the power unit to the
frame chassis, and remove the power unit.
(There is no need to remove the paper feed solenoid.)
Power Supply
PWB
Powers Supply Unit
3. Transfer corona removal
(1) Remove the upper frame unit. (Refer to [10]-2, Power unit
removal.)
(2) Remove the three screws.
(3) Push pawl A with a screwdriver (–) and lift the unit.
B
(4) Push pawl with a screwdriver (–) and lift the unit.
B
– 36 –
9 Lower cabinet
(Fig. 3)
A
C