Epson TM-U220 Series Service Manual

Rev. B Product Overview 1-3
TM-U220 Type A Service Manual
Confidential
Control Panel (LEDs and Button)
LEDs
POWER
On when power is on.
ERROR
On when printer is offline. Off when printer is online. Flashes during an error.
PAPER OUT
On when paper is out or nearly out. Flashes during self-test
Button
FEED
This button feeds roll paper or starts a self-test.
Note:
Paper cannot be fed by using this button when a paper out is detected.
Power Switch and Power Switch Cover
The power switch is on the front of the printer. Press this switch to turn on the printer.
Power Switch Cover
This cover prevents the power from being turned off accidentally during printing. If you need to
turn the power on or off while the cover is attached, you can insert a small screwdriver or
similar tool into one of the holes in the cover to flip the switch.
WARNING:
If an accident occurs while the power switch cover is attached, immediately unplug the
power supply cable to avoid fire.

Epson TM-U220 Series Specifications

General

Print Method	9-pin, serial impact dot matrix
Autocutter	Partial cut
Weight	Approx. 2.5 kg
Paper Thickness	0.06 to 0.085 mm
Operating Temperature	5 to 45 °C
Interface	RS-232, Bi-directional parallel, USB, Ethernet
Number of Columns	42 columns
Data Buffer	4 KB
Character Set	95 Alphanumeric, 128 x 12 Graphic
Power Supply	AC adapter
Operating Humidity	10% to 80% RH (non-condensing)
Print Speed	4.7 lines per second (at 40 columns, 16 dpi)
Paper Width	76 mm / 69.5 mm / 57.5 mm ± 0.5 mm
Copy Capability	Original + 2 copies