Overview
Overview of Epson TM-T20III Thermal POS Receipt Printer - Monochrome (C31CH51011) | New
The Epson TM-T20III Thermal Receipt Printer - Monochrome (C31CH51011) provides dependable, quick POS receipt printing for retail establishments, eateries and hospitality venues that need quick transactions and little downtime. With its 203 dpi resolution and lightning-fast 250 mm/sec thermal print speeds, this small Epson thermal receipt printer creates sharp 80mm or 58mm receipts, barcodes and logos that improve customer satisfaction during busy times. The TM-T20III's wall-mount capability, automatic paper-saving settings (up to 30% reduction) and versatile USB + Serial connectivity make it perfect for kitchens, counters and mobile point-of-sale systems that support ePOS SDK apps, iOS, Android and Windows. With a 1.5 million-cut auto-cutter, a 15 million-line mechanism life and a 360,000-hour MTBF, this Epson TM-T20III C31CH51011 is built to last. It reduces paper expenditures and service calls while guaranteeing continuous operation in high-volume settings.
Key Features of Epson TM-T20III Thermal Receipt Printer
• Ultra-fast 250 mm/sec thermal printing with 203 dpi resolution for sharp text, logos and scannable 1D/2D barcodes (UPC-A/E, QR, PDF417, GS1 DataBar).
• Dual paper widths (80/58 mm) with automatic paper reduction saving up to 30% on receipt rolls and reducing top margins by 12mm.
• Built-in USB + Serial interface (Ethernet model available) plus ePOS SDK for seamless tablet/smartphone POS integration on iOS/Android.
• Robust auto-cutter (1.5M cuts) and printhead (150M pulses/150km life) engineered for 24/7 high-volume receipt printing.
• Space-saving design (140x199x146 mm) supports horizontal, vertical, or wall mounting with included bracket for flexible POS placement.
• Smart sensors detect paper near-end, end and cover-open status with 4KB data buffer preventing lost receipts during bursts.
• Drawer kick-out support with 2 drivers for cash drawer integration in retail/checkout systems.
• Energy-efficient operation at 29.5W printing/0.8W standby with external AC adapter and whisper-quiet 55 dB(A) performance.
Benefits of Epson TM-T20III Thermal Receipt Printer
🗹 Accelerate checkout lines with lightning-fast Epson TM-T20III thermal printing that handles peak-hour rushes without delays.
🗹 Cut operating costs through automatic paper savings, long-life components and no-ink direct thermal technology eliminating ribbon changes.
🗹 Maximize uptime in demanding retail/restaurant environments with proven 360K-hour MTBF and field-swappable parts.
🗹 Fit any workspace using the ultra-compact footprint and versatile mounting options perfect for crowded counters or kitchen walls.
🗹 Simplify POS integration via universal connectivity and mobile SDK support for modern tablet-based systems and legacy PCs.
🗹 Reduce service visits with drop-in paper loading and smart error detection backing enterprise reliability.
Specifications
Specifications for Epson TM-T20III Thermal POS Receipt Printer - Monochrome (C31CH51011) | New
| Manufacturer | Epson |
| Manufacturer Part Number | C31CH51011, C31CH51001 |
| Product Name | Epson TM-T20III Thermal Receipt Printer - Monochrome |
| Product type | Printer |
| Print Method | Direct thermal line printing |
| Print Speed | Max 250 mm/sec (9.84"/sec); receipt 200 mm/sec |
| Print Resolution | 203 dpi (8 dots/mm) |
| Print Width | 80 mm (standard); variable 58 mm |
| Column Capacity | 80 mm paper: 48/64 columns (std), 42/60 (42-col mode); 58 mm: 35/46 |
| Character Size | 0.80 x 2.13 mm / 1.25 x 3.00 mm (W x H) |
| Characters per Inch | 22.6 / 16.9 cpi |
| Barcodes | UPC-A/E, EAN-13, Code39/93/128, Codabar, QR, PDF417, GS1 DataBar, DataMatrix, Aztec |
| Paper Diameter | Max 83 mm |
| Paper Dimensions | 79.5±0.5 x 83 mm (80mm); 57.5±0.5 x 83 mm (58mm) |
| Cutter | Partial cut; 1.5 million cuts |
| Auto Cutter Life | 1.5M cuts; MC BF: 60M lines |
| Printhead Life | 150M pulses / 150 km; Mechanism: 15M lines |
| MTBF | 360,000 hours |
| Interfaces | USB 2.0 Type B + RS-232 Serial; Drawer kick-out (2 drivers) |
| Data Buffer | 4KB or 45 Bytes |
| Sensors | Paper near-end, paper-end, cover-open |
| Paper Save | Automatic reduction (up to 30%); 12mm top margin reduction |
| Dimensions (W x D x H) | 140 x 199 x 146 mm (5.5 x 7.8 x 5.7 in) |
| Weight | 1.7 kg (3.75 lb) |
| Color | Black |
| Installation | Horizontal, vertical, wall mount (bracket included) |
| Power Supply | External AC adapter (24VDC ±7%); included |
| Power Consumption | Operating: 29.5W (1.8A avg); Standby: 0.8W (0.1A) |
| Noise Level | 55 dB(A) operating |
| Operating Temp | 5°C to 45°C (41°F to 113°F) |
| Storage Temp | -10°C to 50°C (14°F to 122°F) |
| Humidity | 10-90% (operating/storage, non-condensing) |
| Emulation | ESC/POS, ePOS Device SDK |
| OS Support | Windows, iOS, Android, Linux, macOS |
| Safety/EMC | UL/CSA/TÜV, FCC Class A, CE, EN55022 Class A |
| What's Included | Printer, AC adapter/ US power cord, USB cable, wall mount bracket, setup guide |
User Guides
Frequently Asked Questions
Epson TM-T20III Thermal Receipt Printer
Frequently Asked Questions (FAQ's)
What printing technology does the TM-T20III use?
It uses direct thermal printing technology, which applies heat to thermal paper to produce receipts.
Does it require ink or toner?
No, it prints using heat-sensitive thermal paper and does not require ink, toner, or ribbons.
Is it suitable for retail environments?
Yes, it is ideal for retail stores, restaurants, cafés, and other service-based businesses.
What type of connectivity does it support?
This model includes USB connectivity for easy integration with POS systems.
Does it include an auto-cutter?
Yes, it features a built-in auto-cutter for clean and professional receipt separation.
Is it compatible with Windows systems?
Yes, it supports Windows-based POS systems with available Epson drivers.
Can it print logos and barcodes?
Yes, it supports printing graphics, logos, and standard 1D/2D barcodes.
Is installation complicated?
No, setup is straightforward with plug-and-play USB connectivity.
Is it energy efficient?
Yes, it is designed with low power consumption to support cost-efficient operation.
What paper type does it use?
It uses standard thermal receipt paper rolls.
Is paper loading easy?
Yes, drop-in paper loading allows quick and simple roll replacement.
Is it compact?
Yes, it features a compact footprint suitable for space-constrained counters.
Does it support high-volume transactions?
Yes, it is built for daily commercial use and consistent transaction volumes.
Does it print in color?
No, it prints monochrome (black) receipts only.
Is it durable?
Yes, it is built to Epson’s commercial-grade reliability standards.
Can it connect to a cash drawer?
Yes, it supports cash drawer kick-out functionality.
Is it good for small businesses?
Yes, it is especially well-suited for small to mid-sized businesses.
Does it require special drivers?
Epson provides compatible drivers for supported operating systems.
Is it cost-effective?
Yes, it offers strong value as an entry-level POS receipt printer.
Is this a professional POS printer?
Yes, it is a trusted, business-grade thermal receipt printer designed for commercial environments.