mm 
A  Label width  1.00 25 4.65 118 2.00 51  6.7 170 
B  Liner width   1.00 25 4.65 118 2.00 51  6.7 170 
C  Gap (or notch) between labels
[3]
  .08  2   –  –  .08  2   –  – 
D Label length
[3]
  .25  6   –  –  .25  6   –  – 
E Media thickness  .0025 .06 .01 .25 .0025 .06 .01 .25 
F Notch opening width  .08 2 – – .08 2 – – 
G  Media edge to sensor aperture   .20  5  2.25  70  .20  5  2.25  70 
H Reflective mark width
[2,3]
  .47  12 4.65 118 .47  12  6.7 170 
I  Distance between reflective marks
[2,3]
.25  6   –  –  .25  6   –  – 
J Reflective mark length
[2,3]
  .08 2 – – .08 2 – – 
K  Label repeat distance
[3]
  .33 8 – – .33 8 – – 
[1] 
Referenced in the direction of label feed. 
[2] 
The reflective (black) mark must be carbon based, placed on the backside of the stock, and the reflectance shall be less than 10% at 
wavelengths of 640 – 950 nm. 
[3] 
The maximum allowable length of the combined label and gap (or mark) measurement cannot exceed 99.99 inches.