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LP400 Thermal Printer



Ideal for Small Business and Home Business – The Ambir LP400 desktop thermal label printer works with various e-commerce and transportation platforms, including eBay, Amazon, Shopify, Etsy, UPS, USPS, FEDEX, DHL, PoshMark and more.

Requiring no ink or print ribbon, the LP400 will cut your printing costs by up to 50% over traditional ink-jet printers. Easy to set up and use, the Ambir LP400 can be up and running within minutes to serve your shipping needs.


Professional-Grade Quality

4.25” Print Width for Thermal Labels – Our commercial label printer supports print widths ranging from 2” to 4.25” (50mm-108mm) and supports labels from various brands giving you maximum flexibility with your printing needs. The LP400 printer supports fan-fold labels and roll labels handling stacks of 70+ labels with no problem.

Specifications & Support

Printing Method
Direct Thermal

8 dots/mm (203 dpi)

USB 2.0 (Standard)

Max Print Speed
152 mm (6”)/s

Max Print Width
108 mm (4.25”)

Max Print Length
1778 mm (70”)

Dimensions (W x D x H)
215 x 178 x 155 mm (8.46″ x 7.00″ x 6.10″)

1.31 kg (2.88 lbs)

OS Supported
Windows 8 / 10 / 11 – Mac

Safety Standard

8 MB Flash Memory / 8 MB SDRAM


Media Type
Continuous, Gap, Black Mark, Fan-fold and Punched Hole

Media Width
20 mm ~ 115 mm (0.787” – 4.52”)

Media Thickness
0.06 mm ~ 0.25 mm (0.002” – 0.984”)

Media Length
10 mm ~1778 mm (0.393” – 70”)

Paper Roll Diameter
25.4 ~ 76.2 mm (1″ ~ 3″)

Paper Thickness
0.06 mm ~ 0.25 mm (0.002” x 0.094”)

Label Roll Capacity
127 mm (5”) external diameter

Gap Sensor

Printer Head
Opened Sensor, Black Mark Sensor

32-bit RISC CPU

Power Supply
Input: AC 100-240V; Output: DC 24V/2.5A

1D Barcode
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, GS1 DataBar, Code11

2D Barcode
PDF-417, Maxicode, DataMatrix, QR code, Aztec

Visit for all available downloads and drivers.

When you buy Ambir, you get more than just a great scanner. It comes bundled with a warranty that includes limited parts & labor coverage and comprehensive U.S.-based phone & online chat support.

We can be reached Monday – Friday from 8:00 am – 5:00 pm CT

USA / INT 1-630-530-5400 Option 3