Epson HX-20 - Manual (Page 10)

Chapter 2
Cautions
The HX-20 is not a toy. Although it is solid and well-built, it is not
invulnerable. Treat it with the care it deserves, and it should pro-
vide you with years of reliable service.
The warnings on these pages concern only the HX-20. If you con-
nect your HX-20 to any peripherals, be sure to heed any warnings
contained within the documentation for those peripherals.
(Note: failure to observe the following cautions may void the
warranty on your HX-20.)
There are no parts inside your HX-20 that you can service or replace
by yourself. If you remove the screws that hold the case together,
you will risk damaging the static-sensitive circuitry and/or the
batteries.
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In the upper right corner of your HX-20, you will notice a dummy
cartridge.
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