MAX Letatwin LM-550
Heat Shrink/PVC Tube Printer


MAX Letatwin LM-550
Heat Shrink/PVC Tube Printer




Switch boards-Panel boards-Control panels-Installation of telecoms and industrial machinery

Electronic Lettering Machine

MAX LM-550A Tube Marking Machine for cable and panel marking jobs. The LM-550A has an enhanced feeding system that provides you with marking speed at 40mm/sec. Developed for maximizing cable marking job productivity. LM-550A can make 52pcs of 20mm-length tube per minute!


  • Professional looking, uniform and clear printing, adds to customer satisfaction
  • Prints on heat shrink tubing and pressure sensitive tapes
  • Create using integral keyboard, connect to your PC or use USB Flash drive to print in house or on the job
  • Maximum 250,000 characters built-in large memory storage
  • Improved speed over previous versions
  • Long consumable roll length, 110 meters for ink ribbon, 16 meters for tape
  • Plastic carrying case included
Connect to Your PC With USB

LM-550A/PC features USB port for a­direct cable connection with a Windows PC (for direct printing or file transfers),­and a USB flash drive slot for tranferring computer files made in our dedicated “LETATWIN PC EDITOR” software.

Versatile Marking Capabilities
Various marking media and sizes are now supported by the LM-550A

  • – PVC Tubes: Internal Diameter 1.5~8.0mm
  • – Heat Shrink Tubes: Internal Diameter 2.0~8.0mm
  • – Max Dedicated Tapes: 5mm/9mm/12mm wide
  • – ID Plates
  • – Oval Tubes­

To optimize printing quality for your media, multiple combinations of print settings (such as vertical/horizontal print positions and print density) can be saved.

Large ­Backlit LCD Display
Backlit LCD display makes for easy ­operation, even in a dim­ workplace.


Cutting Depth Adjustment
You can adjust the half cutting depth with the “Half cutting depth adjustment lever” to suit your­ tube ­or tape marking needs.

Adjustable Marker Pitch (Maximum 60mm)
The pitch of the­ marker can be adjusted easily, and has a wide size range in order help you make the markers needed at your site.
Marking on tape : 4 to 60mm
Marking on tube : 10 to 60mm­­ *(Auto pitch function is available for more than 60mm)*

Economical Refillable ­Ink Ribbon

Improve your cost performance by using our economical ink ribbon system. There is no need to throw away the entire cartridge. Simply replace the ink ribbon!

For MAX LETATWIN LM550A Prices contact us via ” click to get a quote “. 


Dimensions (W / L / H) 295 x 293 x 94 mm
Weight 2,4 kg
Printing Method Thermal Transfer Method ( 300dpi )
Display LCD dot matrix: 64 x 160 piksel ( Backlit)
Printing Speed 40mm/s (Standard), 20mm/s (Low Temparature Mode)
Character Size 1.3 , 2 , 3 , 4 , 6 mm
Tube Cutting Method Auto half-cut, manual full cut,No cut
Usable Tube Ø 2,0 ~ 8,0 mm (PVC Tubes, Heat Shrink Tubes)
Usable Tape En: 5, 9, 12 mm (MAX genuine tape)
Internal Memory 250.000 Characters ( Max 50 Files )
External Memory USB-Memory
PC Interface  USB 2.0 Full Speed
Power Supply 12V DC / 3,3 A  only specified AC adapter(100-240V)
Power Consumption Max 16W
Operating Environment 10°C – 35°C

MAX Letatwin LM-550A/PC

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