Brother GTX-4 Service Manual page 472

<When you dispose of the machine>
Required Tools
Phillips screwdriver: M3 to M5
Disassembling
1) Remove the Cover PANEL SIDE.
(1)
2) Remove the Lithium Battery (1) by pulling out the holder in
the direction of the arrow.
(1)
3) Pickup the Lithium Battery (1) to the direction of the arrow.
Note based on California law (USA) on the
This product contains a CR Coin Lithium Battery which
contains Perchlorate Material – special handling may
apply.
See
http://www.dtsc.ca/gov/hazardouswaste.perchlorate.
(1)
use and handling of Perchlorate
viii