Part Names and Functions
Setup
Basic Operation
Setting/Replacing the Roll Paper
Cleaning the Products
Troubleshooting
Specifications
Consumable Products and Options
Appendix
Please read this manual carefully before using this product. Keep this manual at hand for immediate
reference whenever necessary. For details about the functions and operation procedure of this product and
software, refer to Technical Reference Guide.
Safety Precautions
The symbols shown below are used in this manual in order to ensure safety and proper use of this product
and to prevent danger to customers and other persons, and property damage. The symbols indicate the
precaution levels as described below. Be sure that you completely understand their meaning before reading
this manual.
!DANGER:
Handling the product improperly by ignoring this symbol can result in immediate danger of death or
serious injury.
!WARNING:
Handling the product improperly by ignoring this symbol can lead to death or serious injury.
!CAUTION:
Handling the product improperly by ignoring this symbol can lead to injury and property damage.
Q
Notes:
Indicates supplementary notes and other useful information.
Cautions on Handling
!DANGER:
Do not use or charge this product in high temperature places (60°C {140°F} or higher). Furthermore,
do not leave or store this product in places that are 60°C {140°F} or higher. Doing so could lead to
heat, smoke, ruptures, fire, or leaks. Be sure to use within the limits of the environmental
temperature conditions.
!WARNING:
❏
Do not use this product in a location with volatile substances such as alcohol or paint thinner, or
near fire. Doing so may cause electric shock or fire.
❏
Shut down the product immediately if it produces smoke, a strange odor, or unusual noise.
Continued use may cause electric shock or fire. When a fault or other problem occurs, immediately
shut down the product and remove the battery from the product. Then, contact your dealer or a
Seiko Epson service center for advice.
❏
Shut down the product immediately if water or other liquid spills into this product. Continued use
may cause electric shock or fire. Immediately shut down and remove the battery from the product,
and contact your dealer or a Seiko Epson service center for advice.
❏
Do not disassemble the areas other than those mentioned in this manual.
❏
Never repair this product. Tampering with this product may result in injury or fire.
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❏
Do not use this product in an environment where flammable gas or explosive gas may exist. Do
not use aerosol sprayers containing flammable gas inside or around this product. Doing so may
cause fire.
❏
Do not connect cables in ways other than those mentioned in this manual. Doing so may cause
fire. It may also damage other devices.
❏
Do not touch the areas inside the product other than those mentioned in this manual. Doing so
may cause electric shock or burns.
❏
Do not insert metal or flammable materials, or allow them to fall into the product. Doing so may
cause electric shock or fire.
!CAUTION:
❏
Do not allow anyone to stand or place heavy objects on top of this product. Equipment may fall or
collapse, causing breakage and possible injury.
Cautions on Installation
!CAUTION:
❏
Do not store/leave the product in an unstable location or in a location subject to vibration from other
devices. Doing so may cause injury. Also, it may cause malfunction of the printer.
❏
Do not install the product in a location exposed to oily smoke or dust, or in a humid location. Doing so may
cause electric shock or fire.
❏
Install the cables and optional products in the proper direction according to the proper procedures. Failure
to install correctly may cause fire or injury. Follow the instructions in this manual to install them properly.
Cautions on Wireless Connection
This product is not guaranteed to work with all wireless LAN devices, including ad hoc mode.
!WARNING:
❏
In airplanes, follow the instructions from the airline. Turn off wireless devices during takeoff and
landing according to the in-flight announcement.
❏
Do not use the product near medical equipment or in medical institutions. Radio waves may affect
artificial cardiac pacemakers or other medical electrical equipment.
❏
Keep the product 22cm {8.66”} or more away from the location of an artificial cardiac pacemaker.
Otherwise, radio waves may affect operation of the pacemaker.
❏
Do not use the product near automatic control equipment such as automatic doors and fire
alarms. Doing so may cause malfunction due to radio waves, resulting in an accident.
!CAUTION:
❏
Transmission may not be possible in environments which produce radio interference, such as near a
microwave oven. In that case, taking measures such as changing the installation location or channel in
use, or installing a shielding plate may improve the transmission.
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Bluetooth Specification
Time required to start printing
❏
If you establish a radio connection between the host computer and the printer each time you start
printing instead of maintaining the connection, it may take a while between the time you send a
print job and the time that the printer actually starts printing. This happens because connecting
the host computer and the printer requires some time. The time required for connection depends
on the operating environment.
When terminating wireless connection
❏
Even after data transfer from the host computer is already finished, data may remain in the buffer
in the printer. When wireless connection is terminated, data remaining in the buffer may be
discarded. Before printing or terminating a wireless connection, make sure that the transmitted
data has been printed completely by checking the print job status or by checking another way.
❏
When the wireless connection is ended while the printer is offline, reconnection may not be
possible. In such case, remove the cause of offline and reconnect it.
Cautions on the Battery
This printer operates only with the battery installed. Read the manual supplied with the battery carefully
before using the battery.
!WARNING:
For this product, use only the specified battery (OT-BY20 (model: D171A)). To charge the specified
battery, use only the specified battery charger (OT-SC20, OT-MC20). Using other models may cause
electric shock or fire.
Transportation of the Battery
In transportation of the battery, make sure to follow the latest UN recommendations.
Recycling the Batteries
The OT-BY20 is a lithium-ion battery. Must be recycled or disposed of properly.
For American Users
The lithium-ion battery is recyclable. At the end of its useful life, under various state and local
laws, it is illegal to dispose of this battery into your municipal waste stream. Please call
1-800-8-BATTERY for information on how to recycle this battery.
!WARNING:
❏
Risk of explosion if battery is replaced by an incorrect type.
❏
Dispose of used batteries according to the instructions.
Cautions on the Single Charger
The OT-SC20 is a single charger exclusively for this product and the OT-BY20 battery. To charge only the
OT-BY20 battery, a battery spacer, sold separately, is required. (U
"Battery spacer (OT-BS20)" on page 24)
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Cautions on Handling
!WARNING:
❏
Do not charge any device other than the TM-P20 printer or the OT-BY20 battery. Doing so may
cause heat, explosion, fire, leaks, or other damage.
❏
Do not use this product in a location with volatile substances such as alcohol or paint thinner, or
near fire. Doing so may cause electric shock or fire.
❏
Shut down the product immediately if it produces smoke, a strange odor, or unusual noise.
Continued use may cause electric shock or fire. When a fault or other problem occurs, immediately
shut down the product and unplug the product. Then, contact your dealer or a Seiko Epson service
center for advice.
❏
Shut down the product immediately if water or other liquid spills into this product. Continued use
may cause electric shock or fire. Immediately unplug the product, and contact your dealer or a
Seiko Epson service center for advice.
❏
Do not disassemble the areas other than those mentioned in this manual.
❏
Never repair this product. Tampering with this product may result in injury or fire.
❏
Do not use this product in an environment where flammable gas or explosive gas may exist. Do
not use aerosol sprayers containing flammable gas inside or around this product. Doing so may
cause fire.
❏
Do not connect cables in ways other than those mentioned in this manual. Doing so may cause
fire. It may also damage other devices.
❏
Do not touch the areas inside the product other than those mentioned in this manual. Doing so
may cause electric shock or burns.
!CAUTION:
❏
Do not install/store the product in an unstable location or in a location subject to vibration from other
devices. Equipment may fall or collapse, causing breakage and possible injury.
❏
Do not allow anyone to stand or place heavy objects on top of this product. Equipment may fall or
collapse, causing breakage and possible injury.
❏
Install the printer, cables and optional products in the proper direction according to the proper
procedures. Failure to install correctly may cause fire or injury. Follow the instructions in this manual to
install them properly.
❏
Be sure to disconnect all the cables from the product before you move it. Otherwise the cables could be
damaged, potentially resulting in electric shock or fire.
Cautions on the Power Supply
Read the manual supplied with the AC adapter carefully before using the accessory AC adapter.
This product uses a listed power unit marked "Class 2" or "LPS," with the output voltage of maximum 1.5 A
at DC 24 V.
With the optional AC adapter (Epson AC Adapter, C), the output voltage is maximum 1.5 A at DC 24 V,
and the input voltage is AC 100 V to 240 V.
!WARNING:
Be sure to use the specified AC adapter (Epson AC adapter, C model: M235A or Epson AC adapter, C1
model: M235B). Using any other power supply could cause faults, fire or electric shock.
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Caution Label
The caution label on the product indicates the following precaution.
!KCAUTION:
Do not touch the thermal head during printing or immediately after printing. After printing, the thermal head
can be very hot.
!CAUTION:
Take care not to injure your fingers on the manual cutter.
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Part Names and Functions
4
1
2
3
Printer
Front Side
1Manual Cutter
Use this cutter to cut the paper. (U "Cutting the Roll Paper" on page 18)
2Cover Open Button
Press this button to open the roll paper cover. (U "Opening the Roll Paper Cover" on page 17)
3NFC Tag
A mark is printed here to indicate the position of the NFC tag. To establish communication with an
NFC device, bring the device close to this mark.
For the functions using the NFC tag, refer to Technical Reference Guide.
4Roll Paper Cover
Open this cover to set/replace roll paper. (U "Setting/Replacing the Roll Paper" on page 19)
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Operation Panel
3
1
2
4
5
1(Power) Button
Turns on/off the printer. (U "Turning On/Off" on page 16)
2(Feed) Button
Press this button to feed paper.
3(Power) LED
Lights when the printer is powered on.
4Error LED
Lights/Flashes when an error occurs. (U "Error LED is on" on page 22, "Error LED is flashing" on page
22
)
5(Battery) LED
Lights/Flashes according to the battery level.
Battery LEDError LEDCharge LevelStatus
Level HPrinting is available.
3 LEDs OnOff
Level MPrinting is available.
2 LEDs OnOff
1 LED OnOff
Level L
Printing can be continued, but replacing/
charging the battery is recommended.
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