Epson TM-U220 Series Service Manual

5-2 Adjustment and Setting Rev. B
Confidential
Adjusting the Detection Point for the Roll Paper Near-End Detector
Below are 2 reasons the roll paper NE detector might require an adjustment:
❏ To adjust the detection for the diameter of the roll paper core.
❏
To adjust the amount of remaining paper before the sensor detects a near end.
1. Open the roll paper cover, and remove the paper roll.
2. Loosen the detector adjustment screw with a coin or similar tool.
3. Adjust the detector by sliding the lever in either of the directions shown below.
4. Tighten the detector adjustment screw.
5. Check to be sure that the detecting lever moves freely.
6. Replace the paper roll.
Detector
adjustment screw
Knob
Detector lever

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