Dymo LABELWRITER SE450 Technical Reference page 74

Printer Specifications
68
Average Life
Printing Method
Speed
Label Width
Resolution
Fonts
Barcode Types
2 million lineal inches (over 31 miles) Print head is replaceable
Direct thermal
40 labels per minute (115,200 Baud, Serial)
48 labels per minute (through DYMO Label V.8, USB driver)
48 labels per minute for ASCII over both serial and USB (4-line address label)
Maximum width of 62 mm (2.44 inches)
203 x 203 and 136 x 20 dots per inch
Five fonts (7.5 cpi, 10 cpi, 12 cpi, 16.5 cpi, and 20 cpi) and four variations
(Normal, Double Height, Double Width, and Double Height/Double Width) for a
total of 20 possible font variations
Bookland EAN
Codabar
Code 3 of 9
Code 128-A
Code 128-B
Code 128-C
Code 128-Auto
Data Matrix
EAN-8
EAN-13
EAN-13 + 2
EAN-13 + 5
Interleaved 2 of 5
MSI Plessey
PDF417
POSTNET
SISAC
UPC-A
UPC-A + 2
UPC-A + 5
UPC AUTO (UPC-E/UPC-A)
UPC AUTO + 2
UPC AUTO + 5
UPC-E
UPC-E + 2
UPC-E + 5