Sharp Z-87 Service Manual page 28

E. The No.4/5 mirror unit removal
1 Remove the table glass, left panel, and the operation panel.
2 Draw a line to the location where the No.4/5 mirror unit shaft
adjusting plate is, for a referance when replacing.
3 Remove the No.4/5 mirror unit shaft adjusting plate, No.2/3 mirror
unit shaft, and lens return spring, then remove the No.4/5 mirror
unit.
No.4/5 mirror
Lens return
spring
F. PS detection block installation
AB series: Place the second scale in A direction to the center of
fixing screw.
Inch series: Place the fourth scale in A direction to the center of the
fixing screw.
No.2/3 mirror unit
PS detection block
B
B
No.4/5 mirror unit shaft
No.4/5 mirror unit
shaft adjusting plate
Scribe the
mounting
position
(AB series)
A
(Inch series)
A
G. Optical mirror motor removal
1 Remove the original cover, the rear cabinet, and the table glass.
2 Remove the mirror base drive wire from the drive pulley.
3 Remove the optical mirror motor unit. (2 screws)
– 26 –
(Scanner motor unit)