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Epson TM-U220 Series Service Manual

Epson TM-U220 Series
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5-12 Adjustment and Setting Rev. B
Confidential
Memory Switch Setup Mode
The following settings are available in the memory switch setup mode:
Basic serial communication conditions (serial interface only)
Receive buffer full release condition (MSW 8-7)
Roll paper width (customized value)
Cover open status (MSW 8-5)
Note:
All new settings are lost if the power is turned off during the memory switch setup mode. Be sure to follow
the proper procedure, and turn the power off at the correct time.
Starting memory switch setup mode
Use the following steps to start memory switch setup mode.
1. Open the roll paper cover.
2. Turn the power on while pressing the paper FEED button.
3. Press the FEED button twice while the POWER, ERROR, and PAPER OUT LEDs are lighting.
4. Close the cover. The printer prints the current settings for the memory switches and
instructions.
5. Follow the printed instructions to set the switches.
Note:
During memory switch setup, the PAPER OUT LED may flash. The number of times the LED flashes
indicates the number of times to press the FEED button before closing the roll paper cover.
Ending memory switch setup mode
Once the setting is performed, the contents of the setting are stored. Then, the printer initializes.
When initialization is finished, the printer returns to normal operating mode.
Selecting individual settings
Basic serial interface settings
To select transmission conditions, first choose “Serial interface settings”; then select data length,
handshake, or parity.

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Epson TM-U220 Series Specifications

General IconGeneral
Print Method9-pin, serial impact dot matrix
AutocutterPartial cut
WeightApprox. 2.5 kg
Paper Thickness0.06 to 0.085 mm
Operating Temperature5 to 45 °C
InterfaceRS-232, Bi-directional parallel, USB, Ethernet
Number of Columns42 columns
Data Buffer4 KB
Character Set95 Alphanumeric, 128 x 12 Graphic
Power SupplyAC adapter
Operating Humidity10% to 80% RH (non-condensing)
Print Speed4.7 lines per second (at 40 columns, 16 dpi)
Paper Width76 mm / 69.5 mm / 57.5 mm ± 0.5 mm
Copy CapabilityOriginal + 2 copies

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