Toshiba e-STUDIO556 Service Manual page 204

(5) While the released wire [1] is lifted, hang it to
the upper hook. Remove 2 screws and take
off the laser unit fixing stay [2].
(6) Disconnect 1 connector and remove 2
screws to take off the laser unit cooling fan
[1].
4.5.2 Laser optical unit
(1) Remove the laser unit cooling fan.
( P.4-35 "4.4.1 Laser unit cooling fan")
(2) From the laser optical unit [1], disconnect 3
connectors connected to the laser control PC
board [2].
e-STUDIO556/656/756/856/557/657/757/857
DISASSEMBLY AND REPLACEMENT
[2]
[1]
Fig. 4-109
[1]
Fig. 4-110
[1]
Fig. 4-111
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[2]