Chapter 1 Product Overview; Notes On Connecting The Power Supply Unit - Epson TM-U220 Series Service Manual

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Chapter 1
Product Overview
The TM-U220 is a serial impact dot-matrix printer for POS systems that can print on roll paper of
various widths. This manual describes the TM-U220 Type A, which has a take-up shaft for
journal paper. The following model types are available for the TM-U220.
Type A
TM-U220 Model Comparison
Two-color printing
Autocutter
Take-up device
Paper width
Interface (supplied with printer)*
Characters supported
Note: * Other compatible interfaces, such as USB and Ethernet, are available from the dealer.
** Multilingual support means that the printer can print any one of the following: Japanese Kanji, Simplified
Chinese, Traditional Chinese, Thai characters, or Korean characters.

Notes on Connecting the Power Supply Unit

Be sure to use the correct power supply unit, as listed in the table below.
TM-U220 alphanumeric model
1. AC adapter C (packed with the alphanumeric model)
2. PS-180 (option)
Note:
The AC adapter C, which is packed with the alphanumeric model, cannot be used with the multilingual
model. Be sure to use the PS-180 with the multilingual model. If the AC adapter C power supply is
connected to the multilingual model by mistake, the printer may not operate correctly. For example,
printing may stop before all lines are printed, or the printer might print the same line repeatedly.
Rev. B
Type B
TM-U220 external views
Type A
Yes
Yes
Yes
76 / 69.5 / 57.5 mm
{3" / 2.74" / 2.26"}
Serial or parallel
Alphanumeric (ANK) or
multilingual**
TM-U220 Type A Service Manual
Type B
Yes
Yes
No
76 / 69.5 / 57.5 mm
{3" / 2.74" / 2.26"}
Serial or parallel
Alphanumeric (ANK) or
multilingual**
TM-U220 multilingual model
PS-180 (packed with the multilingual model)
Type D
Type D
Yes
No
No
76 / 69.5 / 57.5 mm
{3" / 2.74" / 2.26"}
Serial or parallel
Alphanumeric (ANK) or
multilingual**
Product Overview 1-1