Tharo H and V Series

  Tharo Thermal Barcode Printers 

H-426 and H-434

  • The H-427+ prints at 203 dpi and up to 7 ips.
  • The H-435+ prints at 300 dpi and up to 5 ips.


  • Durable, all metal construction with large media window for easy viewing and monitoring of remaining supplies.
  • Standard Stripper Sensor to sense printed labels in either strip-and-peel or tear-off applications.
  • The thin film printhead provides high quality output, even with stepladder bar codes, in either 203 (H-426) or 300 (H-434) DPI.
  • The THARO H-426 and H-434 printers are extremely versatile. No PC is necessary. Download your label formats to flash memory, unplug the printer, plug in a standard PC keyboard and take it to another location.
  • A 450m ribbon capacity and a full 8 inch label roll capacity are suitable for large volume printing requirements.
  • Designed to accept ribbon types of both ink inside and ink outside, providing more flexibility in ribbon type selections.
  • Built-in USB is standard for high-speed data transfer from your PC.
  • Standard Real-Time Clock for time and date stamping of labels.
  • The V-426 features a small footprint to fit your work environment.
  • Direct Thermal and Thermal Transfer modes are both standard on the V-426 giving you the option to choose.
  • Durable, impact resistant composite construction with media window for easy viewing and monitoring of remaining supplies.
  • The thin film printhead provides high quality output, even with stepladder bar codes, in 203 DPI.
  • The V-Series is extremely easy to service and install options and accessories.
  • A 300m ribbon capacity and a 5 inch label roll capacity gives you the benefit of less downtime and increased production.
  • Built-in USB is standard for high-speed data transfer from your PC.
  • Optional internal Ethernet adaptor card to provide networking capability.


  • The THARO H-426 and H-434 printer options include a cutter (with catch tray), internal rewind, stand-alone keyboard and an additional 2MB of Flash memory.
  • The THARO V-426 printer options include a cutter, an internal Ethernet card, a Stripper module to sense printed labels in strip-and-peel applications and a 2MB Flash Expansion with Real-Time Clock.


Each H and V-Series printer comes with an Accessory CD that contains documentation and all the software required to start printing labels.

  • A free copy of the EASYLABEL Start labeling package.
  • Windows drivers for Windows 95, 98, ME, NT 4, 2000, and XP.
  • The printer's User Manual.
  • The THARO Programming Language Manual with examples.


  • The H and V-Series feature a 3 month or 2 million linear inch warranty on their printheads.
  • 12 month warranty on the H and V-Series printers.


ModelTHARO H-426/H-434THARO V-426
ResolutionH-426: 8 dots/mm (203dpi)V-426: 8 dots/mm (203dpi)
H-434: 12 dots/mm (300dpi)
Print ModeThermal Transfer/Direct ThermalThermal Transfer/Direct Thermal
Sensor LocationMoveable, left alignedMoveable, center aligned
Sensor TypeReflective, Transmissive
Sensor DetectionType: Label gap and black mark sensing
Detection: Label length auto sensing and/or program command setting
Print SpeedH-426: 50.8mm (2)~152.4mm (6)/secV-426: 50.8mm (2)~152.4mm (6)/sec
H-434: 50.8mm (2)~101.6mm (4)/sec
Print LengthH-426: 5mm (0.20)~1270mm (50) V-426: 12mm (0.47)~1727mm (68)
H-434: 5mm (0.20)~558.8mm (22)
Print Width H-426: 5mm (0.20)~104mm (4.09)V-426: 25mm (1)~104mm (4.09)
H-434: 5mm (0.20)~105mm (4.13)
MediaLabel Roll: Max. 203mm (8) O.D.Label Roll: Max. 127mm (5) O.D.
Core Diameter: 38.1mm (1.6)~76.2mm (3)Core Diameter: 25mm (1)~76.2mm (3)
Width: 25.0mm (1)~118.0mm (4.65)Width: 25mm (1)~118mm (4.65)
Thickness: 0.06mm (0.002)~0.25mm (0.009)Thickness: 0.06mm (0.002)~0.3mm (0.012)
RibbonMaterial: Thermal Transfer ribbonsMaterial: Thermal Transfer ribbons
(wax, resin and wax/resin)(wax, resin and wax/resin)
Type: Ink inside or ink outsideType: Ink outside
Length: 450m (1471) Length: 300m (981)
Width: 30mm (1.18)~110mm (4.33)Width: 30mm (1.18)~110mm (4.33)
Inner Core Diameter: 25.4mm (1)Inner Core Diameter: 25.4mm (1)
Ribbon Roll Diameter: 75mm (2.95)Ribbon Roll Diameter: 64mm (2.52)
Printer LanguageTPL (Tharo Programming Language)
Software Application: EASYLABEL Start
Driver: Microsoft Windows 95, 98, ME, NT 4, 2000 and XP
Resident Fonts9 resident alphanumeric fonts (including OCR A & B) that are available in 4 orientations (0, 90, 180,270), 8-point sizes (6, 8, 10, 12, 14, 18, 24, 30), and are expandable 8 times horizontally and vertically.
Downloadable FontsWindows Bit-map fonts and Asian fonts are downloadable. Windows fonts in 4 orientations (0, 90, 180, 270). Asian fonts in 8 orientations.
Image Handling BMP and PCX
Bar CodesCode 39, Code 93, Code 128 (subset A, B, C), UCC 128, UPC A, UPC E, UPC 2 & 5 digit add on, I 2 of 5, EAN 8, EAN 13, EAN 2 & 5 digit add on, Codabar, Postnet, EAN 128, DUN 14, MaxiCode, PDF417, and DataMatrix Code
InterfacesSerial, Parallel, USB, PS/2 keyboardSerial, Parallel, USB, Ethernet (Optional)
Serial Interface Transmission SpeedBaud rate 4800 ~ 115200Baud rate 4800 ~ 115200
MemoryBuilt-In: 2MB Flash, 2MB DRAMBuilt-In:1MB Flash, 2MB DRAM
Optional: +2MB Flash Optional:+2MB Flash
DisplayBacklit Graphic LCD DisplayTwo bi-color LEDs:Ready and Status
Three bi-color LEDs: Power, Ready, Error One Control key:Feed
Three Control keys: Feed, Pause, Cancel
PowerAuto Switching 110/240VAC, 50/60 Hz
Real-Time Clock Time and Date stampOptional Time and Date stamp
EnvironmentOperation: 5C to 40C (40F to 104F)
Storage: -20C to 50C (-40F to 122F)
HumidityOperation: 30-85%, non-condensing. Free air.
Storage: 10-90%, non-condensing. Free air.
Agency ListingsCE, CUL, FCC Class A
Printer DimensionsLength: 454.58mm (17.9)Length: 285mm (13.78)
Height: 277.30mm (10.92)Height: 171mm (6.7)
Width: 275.55mm (10.85) Width: 226mm (8.9)
Weight: 13Kg(28.7lbs)Weight: 2.8Kg (6.2lbs)
OptionsCutter with TrayCutter Module
Internal RewindStripper Sensor Module
2MB Flash memory module2MB Flash Expansion+ Real-Time Clock
Stand-alone keyboardInternal Ethernet Adapter Card