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Compatibility 3-1
TM-U230 Developer’s Guide
Confidential
Chapter 3
Compatibility
This Chapter describes features that are different between the TM-U230 and TM-U210 Series
printers.
Internal Buzzer
The TM-U230 have the internal buzzer and changing the DIP Switch 2-8 setting enables/
disables the internal buzzer.
Internal buzzer noise level: Approx. 75dB
(Environment temperature(Ta)=25
°
C, measured at 100mm from the paper exit)
When the internal buzzer is enabled and a paper roll end or near-end is detected, the buzzer will
sound and the
PAPER OUT
LED will be on or blinking. (The pattern of the
PAPER OUT
LED can
be selected by DIP switch 2-5.)
Paper roll end settings
❏ When the paper roll end sensor is disabled to stop printing and it detects a paper end
⇒ The
PAPER OUT
LED will be on (or blinking) but the printer will not be offline.
❏ When the paper roll end sensor is enabled to stop printing and it detects a paper end
⇒ Both the
PAPER OUT
LED and the
ERROR
LED will be on (or blinking) and the printer
will be offline.
Refer to the Figure 3-1 for detailed specification of the internal buzzer operation by DIP switch
and the LED indication.
Switch No. On Off Defaut
2-8 Internal buzzer Disabled Internal buzzer Enabled Off