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Epson RS-353 Service Manual page 73

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(2) Optical head unit/Light guide unit
Remove the mounting screw on the bottom face of the optical head unit.
Screw:
PIN1024565 (mounting torque:
2. Remove two mounting screws on the top face of the optical head unit before the light
guide unit is pulled up straight and separated from the optical head unit.
Screw:
PIN1022793 (mounting torque:
Caution:
Do not touch the three light bulb screens on the light guide unit with a hand or bend the
FPC cable. When installing the light guide unit on the optical head unit, align the two
bosses (beside the screws of the light guide unit to the holes of the optical head unit
before tightening the screws.
The optical head mounting screw (M4 X8) on the bottom face is different from the
mounting screw
10) on the top face in length. Check the screw size before
mounting them.
Figure
31
3-23
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