Toshiba e-STUDIO453 Service Manual page 166

(7) Remove 3 screws with spring. Lift up the
laser optical unit, avoiding contact with the
laser unit fan.
Note:
1. Do not leave fingerprints or stain on the
slit glass.
2. Laser optical unit is a precise apparatus.
Handle the unit with extra care not to
shock or vibrate it.
3. Never attempt to disassemble the unit in
the field since it is very sensitive to the
dust and stain.
8 4. When installing, fix the laser optical unit
with the screws securely by matching the
bosses on the bottom of the unit with the
holes of the frame.
[B] Laser unit fan
(1) Take off the receiving tray
( Chapter 2.5.1 [H]).
(2) Disconnect 1 connector.
(3) Remove 2 screws and take off the laser unit
fan.
[C] LRL PC board
(1) Take off the receiving tray
( Chapter 2.5.1 [H]).
(2) Disconnect 2 connectors with lock (CN204
and CN206) and 1 connectors (CN207).
(3) Remove 1 screw. Take off the LRL PC board
by releasing 2 locking supports.
e-STUDIO350/352/353/450/452/453
LASER OPTICAL UNIT
Fig. 8-604
Fig. 8-605
Fig. 8-606
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04/10