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3.1.2 The Control Panel
The layout varies according to the model.
❏ POWER LED
❏ ERROR LED
❏ PAPER OUT LED
❏ FEED button
3.1.2.1 LED
POWER
On:
Off:
ERROR
When this light is on but not blinking, it means that the printer is offline. Check to see if a cover is open.
When this light is blinking, there is an error. See "LED Blinking Pattern" in Chapter 4.
PAPER OUT
On:
Off:
Flashing:
Note:
The roll paper near-end sensor is available as an factory option. If the printer is not equipped with the roll paper
near-end sensor, the roll paper near-end is always detected as paper present. See "Adjusting Position of Roll Paper
Near End Detector (factory option)" (page 3-22) for information on adjusting the detector.
3.1.2.2 Control Panel Buttons
The control panel has paper button that you may have to use, although most paper handling functions will
be handled by your software.
FEED
Use this button to feed roll paper or to start a roll paper self test. (See "Self Test Procedure" (page 3-23).)
Note:
The FEED button can be disabled by using an ESC/POS command.
Power supply is stable.
Power supply is not stable.
The roll paper near end (*1) or real end is detected.
Paper is loaded (normal condition).
Self-test waiting state for test print.
TM-U330 Technical Reference Guide
Setup 3-2
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