Desktop Thermal Transfer Printer | TT424B


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Color: White

  • White

Interface: USB

  • USB

Plug Type: US Plug

  • US Plug
  • UK Plug
  • EU Plug
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Vretti-TT424B is the 4 inch direct thermal & thermal Transfer printer, its printing speed has Max. 127mm/s. It is high quality double motor design, available in 203 dpi /300 dpi resolutions, with easy media loading and microSD Flash memory expansion up to 4GB.


● High quality double motor design
● Up to 127mm(5'')/s high printing speed
● Available 203 dpi / 300 dpi resolution
● Easy media loading
● MicroSD Flash memory expansion up to 4GB

Product Specifications

Printer Model vretti-TT424B vretti-TT434B
Printing Features
Resolution 203 DPI 300 DPI
Printing method Thermal Transfer / Direct Thermal
Max.print speed 127 mm (5”) / s Max. 101.6 mm (4”) / s Max.
Max.print width 108 mm (4.25”)
Max.print length 1778mm(70")
Media type Continuous, gap, black mark, fan-fold and punched hole
Media width 25.4-115 mm (1.0”-4.6”)
Media thickness 0.06~0.18 mm 
Media core diameter 25.4 ~ 50.8 mm (1" ~ 2")
Ribbon length Max.90m
Ribbon width 25.4mm-110mm (1"-4.3")
Label length 10 mm ~1778 mm
Label roll capacity 127 mm (5“) (External diameter)

Ribbon core 

inner diameter 

 12.7 mm (0.5")
Performance Features
Processor 32-bit CPU
Memory 8MB Flash Memory/ Flash memory can be expanded to Max. 4 GB

Standard:USB    Optional:WIFI/Bluetooth/Lan/TF card


①Gap sensor

②Cover opening sensor

③Black mark sensor
④Ribbon sensor
Internal fonts 8 alpha-numeric bitmap fonts, Windows fonts are downloadable from software.
1D bar code

Code 39, Code 93, Code 128UCC, Code 128 subsets A, B, C, Codabar, Interleaved 2 of 5, EAN-8,EAN-13,EAN-128, UPC-A, UPC-E, EAN and UPC 2(5) digits add-on, MSI, PLESSEY, POSTNET, China POST

2D bar code PDF-417, Maxicode, DataMatrix, QR code
Physical Features
Dimension 246mm*199mm*168mm (D*W*H)
Weight 1.62kg
Print head life 30 km
Driver Windows/Linux/Mac
SDK WindowsAndroid/iOS
Power supply
Input:AC 100-240V
Output:DC 24V, 2.5A
Factory Options ①Peeler
Dealer Options ①External paper roll holder
②Paper roll spindle

③Extension board for external paper roll holder

④Shipment waybill box

Environmental Conditions
Operation environoment 5 ~ 40°C(41~104°F),Humidity: 25 ~ 85% non-condensing 
Storage environment -40 ~ 60°C(-40~140°F),Humidity: 10 ~ 90% non-condensing

Product Description


VRETTI are a professional manufacturer of thermal printers such as POS printers, mobile printers, receipt printers, barcode printers and POS terminals.
VRETTI have strong R&D strength and advanced testing laboratories, it is at the international professional level in the development and design of various types of software and hardware. With a global marketing service network, rich product series and personalized solutions, VRETTI products have been effectively promoted and applied in many countries and regions around the world, and won the recognition of domestic and foreign customers.

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Desktop Thermal Transfer Printer | TT424B

White / USB / US Plug
White / USB / US Plug