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.)
English Default Delay Times for Power Management for Epson Products This product will enter low power (sleep) mode after a period of nonuse. The time interval has been set at the factory to ensure that the product meets Energy Star standards of energy efficiency and cannot be modified by the consumer.
Shut down your equipment immediately if it produces smoke, a strange odor, or unusual noise. Continued use may lead to fire or shock. Immediately unplug the equipment and contact your dealer or a Seiko Epson service center for advice. Never attempt to repair this product yourself. Improper repair work can be dangerous.
If water or other liquid spills into this equipment, unplug the power cord immediately, and then contact your dealer or a Seiko Epson service center for advice. Continued usage may lead to fire. Do not use aerosol sprayers containing flammable gas inside or around this product.
Wall hanging Rubber feet for TM-T20 Software & bracket vertical installation Documents Disc Power switch waterproof cover Control panel label for Screws for wall vertical installation hanging bracket 58-mm width paper guide plate Roll paper 6 TM-T20 User’s Manual...
Power switch Control Panel (Power) LED This LED is on when the printer is on. Error LED This indicates an error. Paper LED On indicates a paper out. Flashing indicates standby. Feed button This button feeds paper. TM-T20 User’s Manual 7...
For the shape of each connector, see the illustration below. (Mounted interfaces vary by the printer model.) RS-232 10BASE-T/ 100BASE-TX Connect the interface cable to the computer. Connect the AC cable to the printer. AC cable 8 TM-T20 User’s Manual...
4 rubber feet in the rectangular indents in the printer case, as shown in the illustration below. Control panel label for vertical installation Rubber feet TM-T20 User’s Manual 9...
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Attach 2 rubber feet in the rectangular indents in the printer case, and attach 2 rubber feet within the scribed line on the hanging bracket. Place the printer with the wall-hanging-bracket-side down. Rubber feet Control panel label for vertical installation 207 mm {8.15"} Wall hanging bracket 10 TM-T20 User’s Manual...
Remove the installed 2 screws from the printer, as shown in the illustration below. Install the wall hanging bracket on the printer, and fix it using the screws removed in Step 2. Screws Wall hanging bracket TM-T20 User’s Manual 11...
Align the holes in the wall hanging bracket with the screws on the wall, and hook it securely. Installing Roll Paper Follow the steps below to install the roll paper. Use the cover open lever to open the roll paper cover. Cover open lever 12 TM-T20 User’s Manual...
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Remove the used roll paper core if any, and insert the roll paper. The correct direction of the paper is shown in the illustration below. Pull out some paper, and close the roll paper cover. When the printer power is on, the roll paper is automatically cut. TM-T20 User’s Manual 13...
80 mm. When changing the paper width, be sure to make the setting for the paper width with the utility software for the TM-T20. Open the roll paper cover. Align 3 projections on the 58-mm width paper guide plate with the rectangular holes in the printer, and push it downwards.
❏ Printing stops if the head overheats and resumes automatically when it cools. ❏ For other cases, turn the printer off, and after 10 seconds, back on. TM-T20 User’s Manual 15...
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Turn the knob until you see a triangle in the opening. This returns the cutter blade to the normal position. See the operating instructions on the back of the cutter cover. Knob Triangle Install the cutter cover. Open the roll paper cover and remove the jammed paper. 16 TM-T20 User’s Manual...
Turn off the printer, open the roll paper cover, and clean the thermal elements of the thermal head with a cotton swab moistened with an alcohol solvent (ethanol or IPA). Epson recommends cleaning the thermal head periodically (generally every 3 months) to maintain receipt print quality. Thermal head...
Spool diameter: Inside: 12 mm {0.47"}; Outside: 18 mm {0.71"} Thermal paper type NTP080-80 NTP058-80 Interface Serial (RS-232)/Ethernet (10BASE-T/100BASE-TX)/USB [Compliance: USB 2.0, Communication speed: Full-speed (12 Mbps)] Receive buffer 4KB/45 bytes Cash drawer function 2 drives 18 TM-T20 User’s Manual...
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*1: The values are those when the paper width is changed to 58 mm by installing the 58-mm width paper guide plate and making the paper width setting with utility software for the TM-T20. For how to install the 58-mm width paper guide plate, see “Changing the Paper Width” on page 14.