
User’s Manual
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any
means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of
Seiko Epson Corporation. The contents of this manual are subject to change without notice. While every
precaution has been taken in the preparation of this manual, Seiko Epson Corporation assumes no responsibility
for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information
contained herein.
Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product or third parties
for damages, losses, costs, or expenses incurred by purchaser or third parties as a result of: accident, misuse, or
abuse of this product or unauthorized modifications, repairs, or alterations to this product, or (excluding the U.S.)
failure to strictly comply with Seiko Epson Corporation’s operating and maintenance instructions.
Seiko Epson Corporation shall not be liable against any damages or problems arising from the use of any options
or any consumable products other than those designated as Original Epson Products or Epson Approved
Products by Seiko Epson Corporation.
Product names used herein are for identification purposes only and may be trademarks of their respective
owners.
©Seiko Epson Corporation 2024–2025 M00155901 EN
1. Roll paper cover
2. Ribbon cassette cover
3. Control panel
4. Power supply switch
Type A
Type B
Type D
1
2
3
4
English

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English
Important Safety Information
This section presents important information intended to ensure safe and
effective use of this product. Read this section carefully and store it in an
accessible location.
The symbols in this manual are identified by their level of importance, as
defined below. Read the following carefully before handling the product.
WARNING:
Warnings must be followed carefully to avoid serious bodily injury.
CAUTION:
Cautions must be observed to avoid minor injury to yourself or damage to your equipment.
Safety Precautions
WARNING:
Shut down your equipment immediately if it produces smoke, a strange odor, or unusual
noise. Continued use may lead to fire. Immediately unplug the equipment and contact
qualified service personnel.
Never attempt to repair this product yourself. Improper repair work can be dangerous.
Never disassemble or modify this product. Tampering with this product may result in injury
or fire.
Be sure to use the specified power source. Connection to an improper power source may
cause fire.
Only use the AC power cord provided. Do not use the AC power cord provided with another
equipment.
Do not use this product with any voltage other than the specified one. Doing so may lead to
fire or electric shock.
Be sure your AC power cord meets relevant safety standards of the area where you plan to
use it.
Do not allow foreign matter to fall into the equipment. Penetration by foreign objects may
lead to fire.
If water or other liquid spills into this equipment, do not continue to use it. Continued use
may lead to fire. Unplug the power cord immediately and contact qualified service
personnel.
Do not use aerosol sprayers containing flammable gas inside or around this product. Doing
so may cause fire.
CAUTION:
Do not connect cables in ways other than indicated in the manuals. Different connections
may cause equipment damage and burning.
Be sure to set this equipment on a firm, stable, horizontal surface. Product may break or
cause injury if it falls.
Do not use in locations subject to high humidity or dust levels. Excessive humidity and dust
may cause equipment damage or fire.

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Do not place heavy objects on top of this product. Never stand or lean on this product.
Equipment may fall or collapse, causing breakage and possible injury.
Take care not to injure your fingers on the manual cutter
• When you remove printed paper
• When you perform other operations such as loading/replacing roll paper
To ensure safety, unplug this product before leaving it unused for an extended period.
Before moving the product, unplug it and unplug all cables connected to it.
Safety Label
The caution labels on the product indicate the following precautions.
CAUTION:
During printing or after printing, the print head can be very hot. Touching it may cause
burns.
Notes on Usage
❏ Do not open the cover during printing or when the autocutter is being
operated.
❏ Do not install the printer in a dusty place.
❏ Protect the printer from impact.
❏ Cords or other foreign objects must not be caught on the printer.
❏ Do not apply excessive force to the printer case.
❏ Do not place food or beverages such as coffee on the case of the
printer.
Notes on Installation
❏ When using the printer, be sure that the printer is installed
horizontally.
❏ If you are using a Type B or D printer, you can hang it on a wall, using
the optional hanging bracket set, WH-10.
Note:
To hang the printer on a wall, see the WH-10 Installation Manual for
detailed instructions.
Notes on Connecting the Power Supply Unit
Be sure to use the correct power supply unit as listed below:
TM-U220II (types A, B, and D)
"AC adapter,C1", "PS-180" or "PS-190"

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Purpose of This Manual
This manual provides information to operators of the TM-U220II to
describe basic operations to enable safe and correct use of the printer.
Features of Printer Types
Illustrations
This manual covers the three types of TM-U220II series printers. As such,
some of the illustrations may be slightly different from your printer.
However, the instructions cover all types, except as noted.
Restriction of Use
When this product is used for applications requiring high reliability/safety,
such as transportation devices related to aviation, rail, marine, automotive,
etc.; disaster prevention devices; various safety devices, etc.; or functional/
precision devices, etc.; you should use this product only after giving
consideration to including fail-safes and redundancies into your design to
maintain safety and total system reliability. Because this product was not
intended for use in applications requiring extremely high reliability/safety,
such as aerospace equipment, main communication equipment, nuclear
power control equipment, or medical equipment related to direct medical
care, etc., please make your own judgment on this product’s suitability
after a full evaluation.
Unpacking
The following items are included for the standard specification printer. If
any item is damaged, contact your dealer.
❏ Printer
❏ Roll paper*
❏ Exclusive ribbon cassette [ERC-38(B/R)]
❏ AC adapter*
❏ Power supply switch cover
❏ Locking wire saddle*
* May not be included with the printer.
Type A Type B Type D
Autocutter Yes Yes No
Take up device Yes No No
Paper width (mm) 76 76/69.5/57.5 76/69.5/57.5

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Downloading Drivers, Utilities, and Manuals
Drivers, utilities, and manuals can be downloaded from one of the
following URLs.
For customers in North America, go to the following web site and follow
the on-screen instructions.
https://www.epson.com/support/
For customers in other countries and regions, go to the following web site:
https://epson.sn
Control Panel
LEDs
(POWER)
Lights when the power is on and is off when the power is off.
(ERROR)
Lights when the printer is offline (when the roll paper is at the end, or the
roll paper cover is open). Off when the printer operates correctly. Flashes
when an error occurs. (See the Troubleshooting section.)
(PAPER OUT)
Lights when roll paper is out or nearly out.
Button
(FEED)
(FEED) button feeds the roll paper.
Note:
Paper cannot be fed by using this button when a paper out is detected.

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Power Supply Switch and Power Supply Switch Cover
The power supply switch is on the front of the printer. Press the power
supply switch to turn on the printer.
Power Supply Switch Cover
You can use the enclosed power supply switch cover to make sure that the
power supply switch is not accidentally pressed. Just press the cover into
place to install it. If you need to turn the power supply switch on or off with
the cover attached, you can insert a thin tool into one of the holes in the
cover to operate the switch.
WARNING:
If an accident occurs when the power supply switch cover is attached, immediately unplug
the power supply cable to avoid fire.
If you are going to store the printer or leave it unused for a long time, turn
it off using the power supply switch on the printer.
Inserting and Replacing the Ribbon Cassette
CAUTION:
The print head becomes very hot during printing. Touching it may cause burns. Allow it to
cool before you replace the ribbon cassette.
CAUTION:
Never turn the ribbon cassette’s feed knob in the opposite direction of the arrow marked on
the cassette; otherwise the ribbon cassette may be damaged.
Note:
Use the EPSON ERC-38 ribbon cassette for your printer.

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1. Open the ribbon cassette cover by using the tabs on the sides of the
cover.
2. Turn the knob two or three times in the direction of the arrow.
3. Insert the ribbon in the position shown in the illustration below and
push the ribbon cassette down until it clicks.
Note:
Make sure the ribbon is installed between the print head and the platen
without wrinkles or creases.

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4. Again turn the ribbon cassette’s knob 2 or 3 times in the direction of
the arrow and close the ribbon cassette cover.
CAUTION:
Be careful not to touch the print head with your fingers when turning the ribbon
cassette knob because the print head is hot and you might be burned.
When you replace the ribbon casette, lift the left side of the ribbon cassette
first; then lift the whole ribbon cassette.
Inserting Roll Paper
CAUTION:
Be sure to use roll paper that meets the specifications.
Be sure not to touch the manual cutter. Otherwise your fingers might be injured.
1. Using scissors, cut the leading edge of the roll paper.
2. Turn on the printer and open the roll paper cover by using the tab.

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3. Type A only: Open the unit by using the unit open lever.
4. Insert the roll paper.
Note:
Note the direction the paper comes off the roll.
When using 2-ply roll paper, be sure that the top and bottom sheets are
aligned at the paper exit.

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5. If you are not using a take-up spool, pull out a small amount of roll
paper and close the roll paper cover; then tear off the paper with the
manual cutter. You can skip steps 6 through 11.
6. Type A only: When using 2-ply roll paper, pull out the roll paper to the
bottom front of the printer as a guide.
7. Close the unit.

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8. Insert the end of the bottom paper (journal paper) into the paper take-
up spool.
9. Insert the paper take-up spool in the printer. Be sure that the paper is
aligned with the spool’s flange.
10. Feed the paper with the (FEED) button so that the paper is taken up by
the spool.
11. Close the roll paper cover and tear off the roll paper with the manual
cutter.

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Note:
Do not open the roll paper cover during printing or paper feeding.
When using the printer, be sure to cut the roll paper with the manual cutter
after paper feeding is complete.
Replacing Roll Paper
1. Open the roll paper cover by using the tab.
2. Types B and D: Remove the used roll paper core.
3. Type A only: Remove the take-up spool, and open the unit by using
the unit open lever; then remove the used roll paper core.
4. Insert new roll paper. See the section “Inserting Roll Paper”.

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Troubleshooting
Printing stops before all the lines are printed or the printer prints the same line
repeatedly
If the correct power supply unit is not used, the printer cannot operate
correctly. Make sure the correct power supply unit is connected to the
printer, referring to the table below:
No lights on the control panel
Check the power supply cable connections and the power outlet.
(ERROR) LED is flashing or lit
❏ The print head temperature may be too high or low. Wait until the
print head cools or warms and the printer resumes printing
automatically.
❏ Make sure that the roll paper cover is properly closed.
❏ Types A and B: The autocutter blade is not in the normal position and
the autocutter is locked up. If it is a simple lock-up, the error is
corrected automatically. If not, see the instructions below to return the
blade to the normal position manually.
❏ A paper jam has occurred. To remove the jammed paper, see the
instructions below.
❏ Turn off the power, wait several seconds, and then turn it on again. If
the error remains, contact your supervisor or a qualified service person.
Returning the autocutter blade to the normal position
1. Open the roll paper cover by using the tab.
TM-U220II (types A, B, and D)
"AC adapter,C1", "PS-180" or "PS-190"

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2. Use a ballpoint pen or tweezers to turn the knob of the autocutter in
the direction indicated by the arrow until you see a round shaft in the
hole.
Removing jammed paper
CAUTION:
The print head becomes very hot during printing. Allow it to cool before you reach into the
printer.
1. Open the roll paper cover by using the tab.

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2. If you have a Type A printer, remove the take-up spool and open the
unit by using the unit open lever.
3. Remove the jammed paper.
4. Re-insert the roll paper and close the roll paper cover.

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DIP Switch Tables
DIP switch settings vary depending on the model in use.
DIP switch type (US/STD) can be verified by performing a self-test.
Use the following procedure to perform a self-test.
1. Make sure all covers are closed.
2. Press and hold the (FEED) button while turning on the power.
(Continue holding the (FEED) button until printing starts.)
After the printer status is printed, a self-test continuation guide is
printed and the (PAPER OUT) LED blinks.
An example for STD is shown below.
Setup procedure
Use the following procedure to change the DIP switch settings.
CAUTION:
• When removing the DIP switch cover, always turn off the power to the
printer, and remove all cables.
Removing the DIP switch cover with the power on may cause a short
circuit, or otherwise damage the printer.
• When opening the DIP switch cover, be sure to close it again after
settings are complete.
Using the product with the cover open may cause fire or electric shock.
1. Check that the power to the printer is turned off.

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2. Remove the screw on the bottom of the printer to remove the DIP
switch cover.
3. Use an object with a thin tip to set DIP switch settings.
4. Close the DIP switch cover and tighten the screw.

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US (for Type A printer)
Serial interface (DIP Switch 1)
SW Function On Off
1 Data receive error Ignored Prints “?”
2 Receive buffer capacity 40 bytes 20 KB
3 Handshaking XON/XOFF DTR/DSR
4 Word length 7 bits 8 bits
5 Parity check Yes No
6 Parity selection Even Odd
7 Transmission speed 4800 bps 9600 bps
8
BUSY condition Receive buffer
full
Receive
buffer full or
Offline
Serial interface (DIP Switch 2)
SW Function On Off
1 Print column 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Pin 6 reset signal Used Not used
4 Pin 25 reset signal Used Not used
5 Undefined - -
6 For internal use only
(flash memory rewriting)
Enabled Disabled
7 Undefined - -
8 Serial interface selection Memory
switch
DIP switch
Other interfaces (DIP Switch 1)
SW Function On Off
1 Auto line feed Enabled Disabled
2 Receive buffer capacity 40 bytes 20 KB
3–7 Undefined - -
8 BUSY condition Receive buffer
full
Receive
buffer full or
Offline
Other interfaces (DIP Switch 2)
SW Function On Off
1 Print column selection 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Undefined - -
4 Wired LAN, parallel: pin 31
reset signal
Used Not used
USB-B: Undefined - -
5 Undefined - -
6 For internal use only (flash
memory rewriting)
Enabled Disabled
7 Undefined - -
8 Undefined - -

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US (for Type B and Type D printer)
*: If you set DIP Switch 1-1 to On (Right side up printing mode), make sure to set DIP Switch 1-2 to Off (Receive buffer
capacity: 20 KB).
Serial interface (DIP Switch 1)
SW Function On Off
1 Printing mode Right side up
printing mode
Normal
printing
mode
2 Receive buffer capacity 40 bytes 20 KB
3 Handshaking XON/XOFF DTR/DSR
4 Word length 7 bits 8 bits
5 Parity check Yes No
6 Parity selection Even Odd
7 Transmission speed 4800 bps 9600 bps
8
BUSY condition Receive buffer
full
Receive
buffer full or
Offline
Serial interface (DIP Switch 2)
SW Function On Off
1 Print column 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Pin 6 reset signal Used Not used
4 Pin 25 reset signal Used Not used
5 Undefined - -
6 For internal use only
(flash memory rewriting)
Enabled Disabled
7 Undefined - -
8 Serial interface selection Memory
switch
DIP switch
Other interfaces (DIP Switch 1)
SW Function On Off
1 Printing mode Right side up
printing mode
Normal
printing
mode
2 Receive buffer capacity 40 bytes 20 KB
3–7 Undefined - -
8 BUSY condition Receive buffer
full
Receive
buffer full or
Offline
Other interfaces (DIP Switch 2)
SW Function On Off
1 Print column selection 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Undefined - -
4 Wired LAN, parallel: pin 31
reset signal
Used Not used
USB-B: Undefined - -
5 Undefined - -
6 For internal use only (flash
memory rewriting)
Enabled Disabled
7 Undefined - -
8 Undefined - -

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STD
Note:
• Notes on the wired LAN interface
Do not change "Pin 31 reset signal" to a setting other than "Used".
Doing so will cause the printer to stop working.
• Notes on the receive buffer capacity
Depending on the model, the receive buffer capacity is 4 KB instead of
20 KB.
Serial interface (DIP Switch 1)
SW Function On Off
1 Data receive error Ignored Prints “?”
2 Receive buffer capacity 40 bytes 20 KB/4 KB
3 Handshaking XON/XOFF DTR/DSR
4 Word length 7 bits 8 bits
5 Parity check Yes No
6 Parity selection Even Odd
7 Transmission speed 4800 bps 9600 bps
8
BUSY condition Receive buffer
full
Receive
buffer full or
Offline
Serial interface (DIP Switch 2)
SW Function On Off
1 Print column 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Undefined - -
South Asia font/Simplified
Chinese font
(South Asia font Model)
Simplified
Chinese font
Thai font/
Vietnam font
4 Serial interface selection Memory switch DIP switch
5 Undefined - -
6 For internal use only
(flash memory rewriting)
Enabled Disabled
7 Pin 6 reset signal Used Not used
8 Pin 25 reset signal Used Not used
Other interfaces (DIP Switch 1)
SW Function On Off
1 Auto line feed Enabled Disabled
2 Receive buffer capacity 40 bytes 20 KB/4 KB
3–7 Undefined - -
8 BUSY condition Receive buffer
full
Receive
buffer full or
Offline
Other interfaces (DIP Switch 2)
SW Function On Off
1 Print column selection 42/35 40/33
2 For internal use only
(autocutter)
Enabled Disabled
3 Undefined - -
South Asia font/Simplified
Chinese font
(South Asia font Model)
Simplified
Chinese font
Thai font/
Vietnam font
4–5 Undefined - -
6 For internal use only (flash
memory rewriting)
Enabled Disabled
7 Undefined - -
8 Wired LAN, parallel: pin 31
reset signal
Used Not used
USB-B: Undefined - -

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TM-U220II Specifications
*1: The interface provided varies by model.
*2: Be sure to use a safety-standards-applied power source that meets the following specifications.
Rated output: 24 V/1.3–10.0 A, Maximum output: 240 VA or less
*3: Average power under operating conditions used by Epson. Performance may vary depending on the operating
conditions and model in use.
Printing method 9-pin serial impact dot matrix method
Paper Dimensions (mm) 57.5±0.5, 69.5±0.5,
76±0.5
Normal paper (mm) Thickness:
0.06–0.085 (1 sheet)
Pressure-sensitive paper Thickness: 0.05–0.08 (1 sheet), total thickness must be 0.14 mm
or less.
Number of copies: Original 1 sheet + one copy sheet
Ribbon cassettes ERC-38 (B) Black life: 3,000,000 characters
ERC-38 (B/R) Black/Red life: Black 1,500,000/Red 750,000
characters
Life based on continuous printing at 25°C {77°F}
Interface
*1
USB-B USB 2.0 Full-speed (12 Mbps)
Wired LAN 10BASE-T/100BASE-TX
Serial RS-232
Parallel IEEE1284
Power supply
*2
24 VDC±7%
Current consumption (at 24 V) 1.3 A
AC power
consumption
*3
Operating 24.7 W
Storage 1.2 W
Cash drawer function 2drives
Temperature Operating 0–50°C
Storage -10–50°C, without paper and ribbon cassette
Humidity Operating 10–90%, must be no condensation
Storage 10–90%, must be no condensation, without paper and ribbon
cassette
Elevation 3,000 m or less
Overall dimensions (mm) Type A: 160 × 286 × 157.5 (W × D × H)
Type B: 160 × 248 × 138.5 (W × D × H)
Type D: 160 × 248 × 138.5 (W × D × H)
Mass (approx.) Type A: 2.7 kg Type B: 2.5 kg Type D: 2.3 kg
