Toshiba e-STUDIO556 Service Manual page 206

(4) Take off the Laser control PC board unit [1].
(5) Remove 4 screws and take off the Laser
control PC board (PLG board).
Note:
Pay attention to the parts when taking off the
laser control PC board because those for e-
STUDIO657 and e-STUDIO857 are different.
* The label [1] color of the PLG board
e-STUDIO657: White
e-STUDIO857: Pink
e-STUDIO556/656/756/856/557/657/757/857
DISASSEMBLY AND REPLACEMENT
[1]
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Fig. 4-115
[1]
Fig. 4-116