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SP-TL21 2inch label printer with serial RS232 interface

The SP-TL21 is a versatile desktop thermal label printer engineered for reliability and broad commercial applications. It supports a wide range of uses, including clothing tags, retail receipts, shelf labels, boba tea stickers, and more.
  • SP-TL21

  • SPRT

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Product Parameters

Printing MethodThermal Line
ResolutionThermal Line 8 dots/mm
Printing Speed127mm/s (Max)
Effective Printing Width48mm/56mm (Optional)
TPH100km
Cutting PaperAuto Peeling Off (Optional)
Paper WidthMax:57.5±0.5mm/Min: 20±0.5mm
Paper TypeNormal Thermal Paper/ Thermal Label Paper/ Blackmark Paper
Paper SizeMax 57.5ר80mm
Paper Thickness0.06mm~0.08mm(Normal Thermal Paper)
0.12~0.14mm(Thermal Label Paper)
DriverWindows/Linux/Android
Print FontCodepage,: ANK: 9 x17 / 12 x24; Chinese: 24 x 24
Barcode1D: UPC-A、UPC-E、EAN-13、EAN-8、CODE39、ITF25、CODABAR、 CODE93、CODE128
2D: PDF417、QR Code、DATA Matrix
InterfaceUSB+Serial/USB+Ethernet/USB+Serial+Bluetooth(2.0/4.0)
Serial+USB+WIFI(2.4G)
Power SupplyDC12V±5%, 2A
Cash DrawerDC12V, 1A; 6PIN, RJ-11 socket
Operating Temp/Humidity0~50℃/10~80%
Outline Dimension197x126x132mm(L×W×H)
Storage Temp/Humidity-20~60℃/10~90%


Product Description

Product Introduction

Featuring an adjustable paper holder compatible with labels from 20mm to 58mm in width, it allows businesses to customize media size for optimal material savings. The printer ensures operational continuity with smart alerts for low paper and unattended prints, alongside essential protections like overheat prevention and black mark sensing for accurate positioning. A clear voice prompt enhances user guidance.

With dual-mode support for both labels and receipts, upgraded print speed, and broad compatibility with ESC/POS, TSC, and TSC/TSPL command sets, the SP-TL21 is a flexible and efficient solution for modern retail and service environments.


Product Advantage

1. Cut Material Costs

15%-20% Lower Material Costs with Smart Media Management

The SP-TL21 adjustable thermal label printer allows businesses to customize paper width from 20mm to 58mm, eliminating material waste. This wide-format label printer can reduce consumable expenses by 15%-20% annually, making it a cost-effective thermal printing solution for retail stores, restaurants, and logistics operations.

2. Built to Las

Precision Printing with 100km+ Printhead Lifespan & Black Mark Sensing

Featuring advanced black mark sensor technology, this commercial label printer ensures accurate label alignment for tags, receipts, and barcode labels. With overheat protection and a durable printhead rated for 100+ kilometers of printing, it delivers high-accuracy thermal printing suitable for extended daily use.

3. Dual-Mode Flexibility

Dual-Mode Flexibility for Multi-Industry Use

Switch instantly between label and receipt printing modes with the SP-TL21 dual-mode thermal printer. It integrates via ESC/POS, TSC, and TSC/TSPL command sets, serving as a versatile POS printer for supermarkets, cafes, and clothing retailers.

4. Flexible Connectivity Options

Multiple interface for option

Multiple interface options, including USB, Ethernet, Serial Port, Bluetooth, and Cash Drawer ports etc., enable versatile device connectivity for fast and error-free printing. Compatible with industrial touchscreens and other peripherals, it delivers stable and reliable performance across demanding operational environments


Application Scenarios

SP-TL21 Thermal Printer: Multi-Industry Printing Solution

One device to meet the diverse printing needs of retail, catering, and logistics.

1. Retail & Supermarkets

Receipts

Shelf pric1e tags/Promotional labels

Clothing tags

Features: One machine replaces multiple devices, saving costs.

2. Catering&Beverages

Kitchen order stickers

Milk tea cup labels

Order pickup slips (with unpicked order reminders)

Features: Accurate order transmission, avoiding omissions.

3. Warehouse&Logistics

Shipping labels

Shelf location labels

Asset identification labels

Features: Stable and durable, supporting long-term continuous printing.

4. Other Scenarios

Office document labels, small shop product labels, temporary event signage, etc.


FAQ

FAQs
  • Factory or trading?
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    Manufacturer with design, production & QC teams based in Beijing, China.
  • OEM/ODM available?
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    Yes, custom brand/design accepted. MOQ applies per model.
  • Languages & OS support?
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    Supports 48 languages (Russian, Spanish, Portuguese, etc.) and iOS, Android, Windows, Linux, Oppos.
  • Sample policy?
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    Sample available. Contact sales with model# & requirements. Ship via DHL/FedEx upon sample order confirmation.
  • After-sales service?
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    12-month warranty. Free repair parts for non-artificial damages.

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 Telephone: +86-156-1315-4080
 Phone: +86-10-5166-1178-888
 WhatsApp: +8615613154080
 Email: export14@sprinter.com.cn
 Address: No.26 Ave.4, Chuangye Middle Road, Shangdi Information Industry Park, Beijing 100085 China
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