Epson HX-20 - Do Not Pull Paper During Printer Operation; Connect Only Appropriate Peripherals

recharge the HX-20 before you see that message, you will only
shorten the useful life of the batteries.
Charging the batteries for more than eight hours at a time will
shorten their life. Charging them continuously for more than seven
days can destroy them.
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Don’t overcharge the batteries
If your batteries fail to hold a charge, take your HX-20 to an
Epson Service Center. DO NOT ATTEMPT TO REMOVE THE
BATTERIES YOURSELF, or you could damage your HX-20.
Don’t pull on the paper when the printer is active
You may damage the HX-20’s built-in microprinter if you pull on
the paper while the printer is working.
Don’t pull on the paper when the printer is active
You may, however, pull on the paper when the printer is inactive;
this will cause no damage to the printer.
Connect the HX-20 only to appropriate peripherals
The sockets on the back of the HX-20 enable you to connect it to an
Epson disk drive or an RS-232 serial device such as a modem or a
printer. Sockets on the side of the HX-20 enable you to plug in a
bar-code reader or a cassette recorder.
Do not plug any device into these sockets unless it conforms to
the interface specifications listed at the back of this manual.
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