Epson TM-T801FV Safety Instruction page 3

3. Put your finger in the indent in the printer case, and pull up the battery cover to remove it.
4. To install the battery, slide it to the direction of the arrow in the lower left illustration.
To replace the battery, remove the installed battery by sliding it in the direction of the arrow in the lower right
illustration.
Installing the battery
5. Align 2 projections on the battery cover with the notches in the printer case to install the battery cover.
6. Install 2 screws to fix the battery cover.
Indent
Projections
Battery cover
Removing the battery
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